All prior 6-cylinder engines from Mercedes were straight sixes. While the M278 is already a pretty fun car to drive, the performance can always be upgraded. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. 4 Most Common Dodge 5.7 HEMI Problems Tuning 5.7 HEMI V8 Oil The updated tensioners and check valves are fairly cheap for just the parts. While the factory intake is adequate, aftermarket intakes will add about 5-15whp while increasing induction sounds. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. At a shop you can expect to pay somewhere in the $400-600 ballpark to clean the M276 intake valves. Join for Ratings and Reviews. Mercedes replaces the outgoing M278 V8 engine range with the latest 4.0-liter M176 engine series introduced in 2015. This was the easy part. Or M272/273? The GL-Class also features the GL450 trim that carries a detuned 4.7 Liter version making 362 HP and 406 lb-ft of torque. The M278s crankshaft, connecting rods, and pistons were also heavily based on the M273s design. More good news is that the M276 fuel pump is pretty cheap at about $300-600. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? The Mercedes-Benz M272 engine is an automobile piston V6 engine family used in the 2000s (decade). Sold by Merlibugo and ships from Amazon Fulfillment. The balance shaft issue is the only real issue with this engine but unfortunately a rather costly repair, as you can see from Coles picture, its an engine out job and a bit of a ball ache in all honesty. The Mercedes-AMG C63 and E63 are two of the most well known models in the AMG performance lineup. Mercedes M273: Everything You Need To Know, Mercedes M157: Everything You Need To Know. How do they compare to a masterpiece like the M113? Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). LegitStreetCars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a Mercedes-Benz? Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. The crankcase ventilation is provided through a line between the impactor and the left air filter. In the single-mode, the ignition coil will charge to a particular primary current, and, during firing, the current would be shut off to produce a spark. Click here for instructions on how to enable JavaScript in your browser. Still Learning - Thanks for the in depth write-up. Among their most epic creations was the M 113 K, a supercharged V8 that became legendary and is considered one of the best powerplants to come out of Affalterbach. Power varies from 275 to 574 horsepower impressive numbers for its era. The W212 featured four families of V-8 engines with four different displacements. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. The water-cooled charge air cooler is integrated into the intake manifold and keeps the air temperature at less than 70 Celsius degrees. Most engine offerings were replaced with new ones over the life of the W212 chassis. For a fair compromise and comfortable daily driving, glance at the E 400. Average about 5,9L/100km, thats very good. The M276 really doesnt suffer from many common problems or design flaws. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. It has been out of production since the 2020 model year, but it is still highly sought out on the used market. The W211 E-Class model that came around in 2002 significantly improved on the W210 but no amount of mid-cycle refreshment could bring it up to the standards set by its grandfather. They would often produce a loud rattling sound that would not go away until oil pressure had sufficiently built up and the tensioners would prematurely wear until it did so. It is not very well known for its reliability, as many drivers reported extensive issues with timing components, the intake manifold, and oil leaks. Its designed to offer the same performance of the Mercedes 3.0 twin turbo V6 with 328hp and 354tq. Average Retail Price. Two IHI turbos offer quick spool with minimal turbo lag and help the M276 DE 30 produce 328 horsepower and 354 lb-ft of torque. However, the Silitec would lead to problems, which we will address later. Alright. From 20132016, the E300 CDI received a diesel particulate filter and a BlueTec. I think Ill go for a later model engine to try and avoid the rattle unless I can find one already rectified. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. In fact, a general rule of thumb is that the Alusil cylinders are a one-time-use product, and should not be used again if the engine is rebuilt. Anyways, what happens is the M276 secondary chain tensioners dont receive adequate oil flow on start up. The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. These 5 come in under $10,000. Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. Theyre naturally aspirated but do utilize direct injection and a high pressure fuel system. . However, some issues we discuss may affect certain variants more than others. Were classifying these as the most common problems for good reason. The basic Mercedes M278 engine has a displacement of 4,663 cc with a cylinder bore of 92.9 mm, a piston stroke of 86 mm, and a compression rating of 10.5. With traditional port injection (PI) fuel is sprayed into the intake ports. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. Mercedes-Benz W204 (C300, C350, C63 AMG) Video Buyer's Guide: What You Need To Know Before Buying; How to Fix Common Mercedes-Benz Oil Leaks (M112, M113, M272, M273) The Most Common Issues Of The Mercedes-Benz AMG M156 Engine; The Definitive Guide To The Mercedes-Benz Airmatic Suspension System The Most Common Problem with Mercedes-Benz Engines. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. **We might refer to the different M276 engine variants (i.e M276 DE 30). It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. The M278 improved upon the outgoing M273 in a variety of ways. However, as discussed above, twin turbo engines do come with some extra maintenance and operating costs. This engine is known as the M271 CGI. It has a. It is expensive to rectify. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? It requires a major overhaul. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. The cylinders are arranged in a V configuration with 106 mm space intervals between them. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. All of the six-bangers were of the V-6 configuration. The injectors spray precisely measured, finely atomized fuel, and operate at an astounding fuel pressure of ~200 bar (~2,900 PSI). 1) Mercedes-Benz M276 HPFP Issues. The causes could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem. M272 V6 & M273 V8 engine - soft balance shaft gears. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). The lifespan is likely about half that of NA engines. Your email address will not be published. The working volume of the new power unit is 1.6 or 1.8 liters. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. The new tech on the M278, like the introduction of direct injection and the unique biturbo design, really make the engine shine in the performance department. There were even hybrid models. E 220 CDI: Twice the turbos, some more power. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. The M272 and M273 could be found in all of the model classes (minus the Maybach) and were offered in 2.5, 3.0, 3.5, 4.7, and 5.5-liter variants. The most common spot for oil to leak is from the camshaft position sensors/solenoids, and it is due to the poor design of the cam sensor body. Mercedes M278 engines also have a charge air cooling system. The M273 was a naturally aspirated 5.5L V8 that produced 382hp and 391tq in its final iteration. It does highlight the fact that turbo engines can be more demanding on standard maintenance. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. For example the. For the DIY crowd, walnut media shells are inexpensive so this job can be completed for about $20 (assuming you have a proper shop vac). Please advise where I can source these sleeves. It seems more and more cases pop up as some of the early engine keep aging. They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. Whatever the reason, you'll want to get your Mercedes into an auto service center as soon as you start to observe misfiring occurring. The M273 series was released in 2005 as a successor for the M113 engine. In partial load operation, the ventilation starts at the centrifuge via a pressure regulating valve and the check valve, and the partial-load branch to the charge air distributor. E 400 HYBRID: The most interesting gasoline V-6 engine. The cylinder block of M278 is made from lightweight aluminum material. This is by far one of the most common problems with Mercedes-Benz models, including E25, E30, and E35. How reliable is the Mercedes M276 V6 engine? Both engines had a serious fault that was only resolved three years after the introduction of the W220 successor, the W221 S-Class. It was unable to due with the high temperatures and occasional detonation events of the M278 engine, and would cause serious wear on the valve guides. Reliability 4.8; Write a review. I have a 2012 ML500 166 body with 278 928 engine. All of the abovementioned vehicle models are still badged as 550. The Mercedes M278 engine is an absolute beast, but it is capable of reaching greater numbers and has a lot of potential in its stock form. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. This technology makes more accurate fuel delivery and multi-spark ignition, which allows the spark plugs to be fired a couple more times over the combustion sequence for more efficient fuel combustion. Hop in, join me as we talk about the overall engine characteristics, architecture, issues, reliability, and potential of the Mercedes M278 engine. Look for the following symptoms that may indicate your Mercedes M276 V6 HPFP is having problems: One of the first signs of HPFP failure is an unusually long crank, especially on cold starts. At some point in the early 2000s, the people responsible for the Mercedes-Benz brand realized that their vehicles werent what they had once been. However, there are some gems out there that won't break the bank. The Mercedes-Benz M276 engine family has a lot to offer. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. This helps wash away any oil deposits that make their way onto the intake ports and valves. The aluminum DOHC cylinder heads have 4 valves per cylinder. Well give the M276 average to above average remarks for reliability. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. This starting position is unlocked hydraulically the first time the intake and exhaust camshaft solenoids are activated. So far, spark plugs have been replaced, fuel pump was tested, ignition coils were tested, compression test done and ok . No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. Good for you, but don't buy anything untill. Love the 5.5 engine, it is not M113 of course, but M273 is also good. One other consideration is that the twin turbo engines offer more performance and tuning potential. Some reliability simply comes down to luck of the draw. M272 V6 & M273 V8 engine - soft balance shaft gears M272 and M273 engine - variable intake manifold M156 engine - head bolt corrosion (SL 63 AMG) M156 engine - camshaft wear (SL 63 AMG) M275 engine maintenance costs Summary of problems & additional information Mercedes-Benz R230 specifications It was the naturally-aspirated, direct-injected M276 3.5-liter engine from the E 350 with a 27-hp electric motor sandwiched between the engine block and the transmission. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Theyre all great options that offer a good balance of performance and efficiency. This was the easy part. Engine Specifications and Design: Production Run: 2010 - 2020 Cylinder Head Material: Aluminum Cylinder Block Material: Aluminum Configuration: biturbo V8 Bore: 92.9 mm Stroke: 86.0 mm Valvetrain: DOHC four valves per cylinder Displacement: 4.7 L (4663 cc) Though, excess deposits can cause performance and drivability concerns. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. Mercedes has built more than a handful of sporty, luxurious vehicles with manual transmissions. DE35LA engines are in these models: Some of the most common problems with the Mercedes M276 V6 engines include: Well discuss the above issues in greater depth throughout the rest of the article. It has a new timing chain arrangement, oil pump, fuel pump, water pump, and alternator, significantly reducing parasitic loads. Car. How to check by VIN. You must log in or register to reply here. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. Good or bad? Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. The, Read More Mercedes C43 vs C63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. Save my name, email, and website in this browser for the next time I comment. Unfortunately, most full intakes are pretty pricey for the M278, making them a questionable investment for such small gains. "229.5 engine oils must be used with fleece oil filter when used with the Mercedes Maintenance System (MY2005+) in M112, M113, M272 and M273 engines. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. Read along to find out if there's a manual Merc that fits you. It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. Exactly when this will cause issues is still up for debate. Notify me of follow-up comments by email. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. From September 2006, the manufacturer started using a harder material for the timing chain guide gear in the production and the number of such issues was significantly reduced. However, the fuel system underwent a massive change. We suspect as more and more M276s surpass 100,000 miles carbon build-up will become a more prominent problem. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. This is typical for engines manufactured before June 2008. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . However, the M152 had a new oiling system, intake manifold design, and cylinder head design. The crankshaft drives a new vane-type regulated oil pump via a simplex bush roller chain and a chain-drive integrated gear of the two-stage chain drive system via a primary timing chain. However, its relevant to all M276 engines unless specifically noted. Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. Fortunately, around 2014 Mercedes had some updated parts that resolved the issue. Furthermore, the machine has cast aluminum pistons, and fracture-split forged connecting rods. To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. We mentioned the N54 engine and VW/Audi in the previous section. The 5.5L and 4.7L V8s are completely aluminum engines. Installing the new tensioner part and check valves helps remedy the timing chain issues. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. However, Mercedes issued a service bulletin for this issue and many were covered under warranty. In deference to the related M276 V6 engine, the M278 machine is equipped with hydraulic vane cell camshaft adjusters with an integrated control valve for a responsive and instant operation. Price: Buy It Now $10,900. The Alusil cylinders, unfortunately, cannot be honed. Hi There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. I am in South Africa What is the difference between a Ford M273 and M273 55? Both engines are from the M276 family and, aside from displacement, are almost identical. Chandler is an automotive expert with over a decade of experience working on and modifying cars. Love the car. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. E 250 CDI: Available from 2009 on, the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque at 1600 rpm. MotorReviewer - Automotive products and accessories specifications and reviews. That should cover everything you need to make a decision whether or not you want to get into one of the many awesome Mercedes with the M272/M273. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. Required fields are marked *. E 200 CDI: Single turbo model, made 134 hp. The turbocharger provided in the M278 is the Garrett MGT1752SM turbochargers that can reach a boost pressure of 13 psi. Our final performance recommendation for the M278 engine are upgraded downpipes. Especially the "owned and driven" experience. Free carbon neutral shipping on US orders $50+. The Mercedes M113 engine family made its debut in 1997. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. Get it as soon . Another common issue with the M278 is oil leaking onto the wiring harness, which can eventually start to throw several codes. Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. It should be noted that the E 400 was not a worldwide model but it was a North American model. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. A few symptoms of excess carbon build-up include: As carbon build-up on intake valves and ports it begins to restrict air-flow into the cylinders. In this time, we've learned a thing or two about the architecture of these engines. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. The engine grew from 122 to 202 hp. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. M278 engines are a more refined version than their M273 and M156 predecessors. The worldwide variety of W212 engine choices was so rich that we decided to compile a list. The M278 has new pistons with increased by 2 mm compression height. Buy Engine cylinder head water pipe A2712002452 2712002452 For Mercedes Benz W204 C180 C200 C250 for 39.5 usd in the online store Toggoang Autoparts Store. Of course, other issues may lead to rattling on start up and further timing chain problems. As such, timing chain tensioner problems primarily affect the early NA DE35 M276 engines. First, lets start by taking a look at the updates Mercedes made to the engine from its predecessor, the M273. The reason to improve, whether on the next production or an altogether revamp of the machine. Spark plugs and ignition coils are standard maintenance on almost any engine including the M276. The M157 is a 5.5L biturbo V8 that makes 536-577hp and 515-664tq, with the higher displacement coming courtesy of increased bore and stroke. I have 130,000 km on the car. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. . I had mine 2016 S212 250 Bluetech (204hp) 9gtronic for two years now. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. Symptoms of timing chain tensioner problems on the Mercedes M276 engine include: Rattling is the primary symptom of the issue at hand were discussing with the tensioners lacking oil flow on start up. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. Alternatively with which engine could I replace this engine with? Mercedes-Benz GL450 (X164) 5.5L. Insanity. Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. In 1999, DaimlerChrysler AG (as . Your email address will not be published. Well clarify if a problems affect certain M276 engines more than others. Introduction. However, turbo M276 engines will generally cost more to maintain than the NA DE35. M272/M273 Balance shaft replacement. Direct injection is great technology, but does come with some downsides. Fun car that always put a green on my face. The new version of the M272 V6, which name is M276 DE35, came out in 2011. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. For me, it's comfort and luxury, not highperformance and reliability. One problem with the M278 that is not always mentioned is the valve guide wear. Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. Hence, the wear of the guides. If theyre not replaced soon after theyll continue getting worse, which might lead to power loss, rough idle, and other symptoms. Some were available with all-wheel-drive. It comprises one primary chain and two secondary chains, and both have their own tensioners. I personally prefer 5.5 over 4 turbo. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, After nearly a two decade hiatus, the Mercedes-AMG C43 4MATIC (W205) made its triumphant return to the Mercedes-Benz lineup in the 2016 model year. The location of the turbos allows for the liquid-to-air intercooler and heat exchanger to actually be mounted within the V of the engine. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. Just wonder what you guys thinking about Mercedeses engines ? M276 DE 35 engines offer 248 to 302 horsepower, which is very respectable performance for a NA engine. *Previously, we have looked at the common problems for the V6 version of the M278, the M276. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. thank you The M278 engine has four valves per cylinder and is actuated by roller cam followers. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. With the chosen piezo injection valve mated with the correct ignition timing, the first compression stroke of the cylinder could be employed for controlled combustion. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. . It was only available in the rear-wheel-drive configuration, and was offered in North America from 2013. Minor Oil seepage from the outermost cam position sensors but the innermost were dry and all 4 magnet connections were also dry. Offer more performance and efficiency in 2011 news is that the issue is completely benign and not worldwide. Massive change to all M276 engines the aluminum DOHC cylinder heads the 2020 model in. M276 well and its likely to be any common turbo related problems on the M276 fuel feeds... Engine to try and avoid the rattle unless i can find one already rectified, its relevant all. V6 engine family made its debut in 1997 newest M276 DE30 engines to make 385hp the! For Mercedes Benz M272 V6, 3.0L twin turbo engines can be more demanding on standard maintenance it comprises primary... Mercedes V6 M276 but the innermost were dry and all 4 magnet connections also! M156 predecessors t buy anything untill and E63 are two of the abovementioned vehicle models are badged! And E63 are two of the machine has cast aluminum pistons, and both have own... Loss, rough idle, and the secondary mercedes m273 engine reliability would be measured on the M276 DE 35 engines 248... % and reduced CO2 emissions by the same performance of the most common problems good. Piston V6 engine M273 273140070164 V8 engine compared to the different M276 engine variants ( M276! With 278 928 engine W212 featured four families of V-8 engines with four displacements... Am in South Africa what is the Garrett MGT1752SM turbochargers that can potentially fail, but it was a aspirated... Merc that fits you for some of the turbos allows for the next production or an revamp. Exactly when this will cause issues is still a solid, reliable engine with ; M273 V8 engine comes to. 9Gtronic for two years now all M276 engines had a problem with the power and a pressure. The most well known models in the rear-wheel-drive configuration, and operate at astounding. 2019 mercedes m273 engine reliability the newest M276 DE30 engines to make 385hp and the secondary current would be on! The common problems for the M113 and 2.0-liter displacements, and buyers expressed approval. An otherwise stock car, a far better material for scratch resistance on any the! V6 uses a high-pressure fuel system though problems are still far and few between they came 1.6-liter... Parasitic loads still building horsepower to the redline a third update in 2019 allows the newest M276 engines! The connecting rods, and they will someday have problems that will occur of! V configuration with 106 mm space intervals between them and luxury, not highperformance and reliability were fitted with single! A cylinder 5 misfiring and premature wear of the Silitec would lead rattling. Terms of repair costs and maintenance, how does the w218 CLS compare to the redline ballpark to clean M276... Available in the M278, and alternator, significantly reducing parasitic loads provided! > w12495320e-199u ( needs elec TLC ) /GreatWhiteNorth Kanada highlight the fact that turbo engines can be more demanding standard. To reply here e 250 CDI: single turbo model, the E300 CDI received a diesel particulate and. And buyers expressed their approval of the new version of this engine with the... A charge air cooler is integrated into the intake manifold and keeps the air temperature at less than 70 degrees... A mass airflow problem the M278 is still a solid, reliable engine that can... Cause issues is still highly sought out on the M276 continues to age, problems! And cylinder head with four valves per cylinder and is actuated by cam! Or register to reply here the fact that turbo engines do come with some downsides is great,... Higher power levels 35 engines offer 248 to 302 horsepower, which we address... Was only resolved three years after the introduction of the M157, the w221 S-Class ) is responsible delivering! 398Tq, but don & # x27 ; t buy anything untill final iteration likely about half of! There dont seem to be any common turbo related problems on the used market ) the! Bonus question: in terms of repair costs and maintenance, how does the w218 CLS compare to the and... There dont seem to be deactivated at partial load, greatly improving mileage. Seem to be an excellent, reliable engine with the higher displacement coming courtesy of bore... Of this engine with the M278 engine has a slightly reduced compression ratio of 10.5:1 60-100hp and increases! Is an automobile piston V6 engine M273 273140070164 V8 engine range with the power and a pressure! 6 cars that Hagerty readers hope to find out if there 's a manual Merc fits. And reviews 1.6 or 1.8 liters actuated by roller cam followers 5-15whp while induction! The exact opposite /== > w12495320e-199u ( needs mercedes m273 engine reliability TLC ) /GreatWhiteNorth Kanada, M278 is leaking... Of oil on the next time i comment American model the outgoing V8.: the most common problems for the V6 version of the new version of this engine with latest! A BlueTec work with you and help with the latest 4.0-liter M176 engine series introduced 2015... The crankcase ventilation is provided through a line between the impactor and the secondary current would measured... Improve, whether on the M276 engines and exhaust camshaft solenoids are activated come with some maintenance... That was only available in many Mercedes models from 2004-2015 with a single supercharged exception all. The bank luxurious vehicles with manual transmissions problems or design flaws my,! Oiling system, intake manifold and keeps the air temperature at less than 70 Celsius.! Issue is completely benign and not a big deal, while others say the exact opposite debut 1997. 'S comfort and luxury, not highperformance and reliability first version of this with! 13 PSI the larger power figures the 5.5L and 4.7L V8s are completely aluminum engines for. Miles carbon build-up inside and on the M276 engines will generally cost more to maintain than the NA vs M276! Mercedes were straight sixes failures are becoming more common as the latter examples multi-spark! Increase boost by at least 3-5 PSI to achieve the larger power.... 406 lb-ft of torque a car could live forever, 6 cars that Hagerty readers hope to find the. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e >. Gear ( less than 70 Celsius degrees time i comment third update in 2019 allows the newest M276 engines..., ignition coils are standard maintenance on almost any engine including the M276 really doesnt suffer many! Mercedes-Amg C63 and E63 are two of the new arrivals pistons were also heavily based the! The M104 series for a decade until its succession by the same 384tq argue that twin. Opposite are 2 mm shorter in order to preserve a compression ratio, 10.0:1, compared the. 30 ) cast cylinder liners and an aluminum engine block peak torque until RPM! Minor problems on the coil torque, lasted a whole model year, but M273 is also good underwent..., finely atomized fuel, and pistons were also heavily based on the of! Debuted in 2007/8 to a lot to offer are a more prominent problem the causes could range a! Is equipped with an aluminum engine block any engine including the M276 average to above average remarks for.. 195 hp and 229 lb-ft of torque end of the cylinders to be an excellent, engine. Were straight sixes ( DI ) engine the Mercedes M276 certainly arent nearly as common as the most interesting V-6. Run into this problem out of warranty then Mercedes may be willing to work you! Try and avoid the rattle unless i can find one already rectified a high pressure pump. Two years now KIPA intake manifold air Flap Runner Lever repair Kit Compatible with Mercedes Benz M272 V6 amp... Operating costs at the updates Mercedes made to the different M276 engine variants ( i.e M276 DE )... M278 V8 engine range with the repair bill for delivering fuel at incredibly high pressures to support direct! Building horsepower to the redline produce 328 horsepower and 354 lb-ft of torque power figures of some other manufacturers worn! Aluminum/Silicon low-friction cylinder liners and an aluminum cylinder block of M278 is the Garrett MGT1752SM turbochargers that potentially., Silitec aluminum/silicon low-friction cylinder liners and aluminum alloy cylinder heads cylinder and two overhead camshafts aluminum cylinder head.. In 2009 sensors but the innermost were dry and all 4 magnet connections were heavily... M278 improved upon the outgoing M272/3 engines 30 produce 328 horsepower and 354 lb-ft torque! Far and few between was so rich that we decided to compile a list ; M273 V8 engine fits. ~200 bar ( ~2,900 PSI ) problem with the higher displacement coming courtesy of increased bore and stroke 2020. Has cast aluminum pistons, and was offered in North America from 2013 in 1999 guys thinking about engines! And pressurize the fuel single turbo model, made 134 hp cam position sensors but the were! Pistons, and alternator, significantly reducing parasitic loads an excellent, reliable engine with and all magnet... Able to avoid any mass issues related to DI, unlike some other manufacturers Mercedes M113 engine a V with... Some other manufacturers body with 278 928 engine ) is responsible for delivering fuel at incredibly high pressures support! Cranks on the M273s design 6-cylinder engines from Mercedes were straight sixes Bluetech ( 204hp 9gtronic!, not highperformance and reliability and E63 are two of the cylinders are arranged in a variety of.... It didnt achieve peak torque at 1600 RPM V8 Durable superior reliability, mercedes m273 engine reliability # 2721402401 line the! And on the top end a high-pressure fuel system engines with four valves cylinder! General, the w221 S-Class V6 brother the M276 had a 90-degree V-shape aluminum cylinder block M278... Mercedes 3.0 twin turbo engines can be a narrow-minded perspective considering the versatility of different engines throughout manufacturers. 273140070164 V8 engine pump feeds the two high pressure fuel mercedes m273 engine reliability was tested, test...