Still Learning - Thanks for the in depth write-up. Early build M278 V8s had some problems with the timing chain tensioners causing a rattle on start up. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. and our repair kits can be found at this link. Downpipes are available with either catless or high flow cat options, but keep in mind catless downpipes are really meant for competition or track days, and they are considered illegal for street use. And addition to that, the camshaft sensor suffers from oil getting into the engines harness. Here are some of our favorites from Europe. The replacement for rattling timing chains was pretty simple. It has been an interesting thread for me as I was thinking of a car with the 273 lump, it is the troubles after have the work done in most cases that have caused the most upsets to owners. Our final performance recommendation for the M278 engine are upgraded downpipes. Mercedes revised those plugs in the middle of 2008 and fixed that messy problem. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. . The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). E 350 CDI: Five variations of that same engine in the same model. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. The 2010-2011 S550 is a great choice if you want an upgraded look. Fun car that always put a green on my face. Its just something to consider for those less familiar with turbo engines. 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. It has a. The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. Mercedes M278 has two oil separators for its ventilation system. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). In this article, we discuss some common problems with the Mercedes-Benz M276 V6 engine and overall reliability. Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. All you need to remember is that pre-facelift 1.8-liter was the M271 series and the post-facelift 2.0-liter was the new M274 series. Use high quality oils, change fluids on time, and fix issues if and when they pop up. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Wagon choices are limited to E 350 4MATIC and E 63 AMG, but those cars have rear-facing third-row seats. To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. The wagon has sharply fallen out of favor in the US thanks to the rise of the crossover SUV. How to check by VIN. Both engines share the same die-cast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, Mercedes M113 V8 Engine Problems, Reliability, Specs. Its a pretty minor problem in the grand scheme, and some M276 engines will probably go their whole lives without carbon cleaning. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. The current sleeves are badly scored First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. The M278 is a 4.6L biturbo V8 that originally produced 429hp and 516tq, but by the end of its production cycle horsepower had been bumped up to 449 for some models. New for the M278 was a direct injection system that used a new jet-guided combustion system featuring piezo injectors. Direct injection is great technology, but does come with some downsides. The M276 really doesnt suffer from many common problems or design flaws. Anyway.."Here's the link:" Mercedes Benz balance shaft engine issues. 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. Like the timing chain and tensioner issues, this primarily affects earlier model M278s, and was mostly rectified by the end of the production cycle. These turbos were fitted on each of the two exhaust manifolds driven by the kinetic and thermal energy of exhaust gases coming from the connected cylinder bank. Some were available with all-wheel-drive. JavaScript is disabled. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in Find the best prices on Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and read product reviews. One of Mercedes strategies to restore the models prominence, and also satisfy the greatest number of potential buyers, was an expansion of the available powerplants. thank you All of the abovementioned vehicle models are still badged as 550. The M278 is based on a 4.7-liter version of the M273. This minimises the production line re-tooling since this type of V6 is effectively a shortened V8. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form. Alright. The crankshafts, pistons, and rods of both versions are not interchangeable. Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. The majority of these features were also shared with the M276 V6 engine, which was announced with the M278 at the same time. Very impressive numbers for a naturally aspirated engine of the late 90's era. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. Check these out to see just how in-depth we go to make them. However, as discussed above, twin turbo engines do come with some extra maintenance and operating costs. The M278 improved upon the outgoing M273 in a variety of ways. The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. How do they compare to a masterpiece like the M113? The Mercedes-AMG C63 and E63 are two of the most well known models in the AMG performance lineup. 2014-2022 Contact UsCookies Policy, Mercedes-Benz S-Class (S500/S550), Mercedes-Benz CL-Class (CL500/CL550), Mercedes-Benz S-Class Coupe/Cabriolet (S500/S550), Mercedes-Benz CLS-Class (CLS500/CLS550), Mercedes-Benz SL-Class (SL500/SL550), Mercedes-Benz E-Class (E500/E550), Mercedes-Benz M-Class/GLE-Class (ML500/GLE500/ML550), Mercedes-Benz GL-Class (GL450), Mercedes-Benz GLS-Class. Rather, when problems occur these are a few of the common areas. It seems more and more cases pop up as some of the early engine keep aging. 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. Introduction. The oil and filters should be changed every 10,000 miles for the dry-sump 4.0L, which holds 7-12L of oil, depending on the model. The separator and PCV system do an excellent job at keeping carbon deposits minimal. Join for Ratings and Reviews. Of course, the M276 intake manifold must be removed to access the ports and valves. 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. A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. For a fair compromise and comfortable daily driving, glance at the E 400. Make sure to check out the guide for any M276 related questions. 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. Before diving into this post its important to lay out some differences between the M276 engines. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Required fields are marked *. . Hello everyone, I've have a bad headache with this m273, the car starts misfiring on cylinders 4 and 5 on startup, usually clearing after 5 mins. HPFP failures arent unheard of by any means. What is most reliable engine in US market ? However, with nothing spraying over the intake ports carbon build-up does occur. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. One problem with the M278 that is not always mentioned is the valve guide wear. The M272 utilises a 90-deg block in common with the V8 engines. As a result, the M273 is an unreliable source of fun for the average enthusiast on price alone. It does not have significant issues, but if there are any, it is common and solvable. We mentioned the N54 engine and VW/Audi in the previous section. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. However, some issues we discuss may affect certain variants more than others. Sold by Merlibugo and ships from Amazon Fulfillment. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. 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. This reduces scavenging on the exhaust and can at times lead to reversion. Power varies from 275 to 574 horsepower impressive numbers for its era. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential fuel injection, forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. FOR SALE! As we dive into the acronyms, know that W212 refers only to the sedan version of the E-Class. The rated output of the Mercedes M2787 engine for the S-Class, CL-Class, SL-Class, and GL-Class models is 429 HP at 5,250 RPM with 516 lb-ft of torque at 1,800 3,500 RPM. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. A third-generation direct injection system is installed in the M278 engine. *Chances are the twin turbo DE35LA and DE30 are more prone to carbon build-up than the NA DE35 M276. It was essentially a E 250 CDI engine coupled with an electric motor, which an additional 20 hp and 147 lb-ft of torque for a total of 228 hp and 553 lb-ft of torque. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). There were gasoline and diesel versions, both provided with multiple cylinder counts and varying displacements. 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 We suspect as more and more M276s surpass 100,000 miles carbon build-up will become a more prominent problem. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. I have 130,000 km on the car. It's great when some one takes the time to be so informative. Good for you, but don't buy anything untill. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. This section covers the potential reliability issues that you might have with the Mercedes-Benz W221. 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. It is a naturally aspirated V8, that originally became available on the market for the 2006 model year. I'm not sure of the year but mine is a '57 with engine no. Compare specifications, photos and reviews of offers from other stores at a price of 36.49 usd. Get it as soon . M272/M273 Balance shaft replacement. The engine grew from 122 to 202 hp. The coolant lines for the turbos have a tendency to leak from time to time. But the true intentions of M278 is not about boasting its power but more of a V8 brand. 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. However, no engine is perfect and that applies to the M276 as well. For North American buyers, there is no one best engine choice. Save my name, email, and website in this browser for the next time I comment. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. However, its relevant to all M276 engines unless specifically noted. I am in South Africa 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. https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. Most engine offerings were replaced with new ones over the life of the W212 chassis. One solution to the problem for those who are worried is to use a wiring extension that moves the harness away from the cam sensor. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. Free carbon neutral shipping on US orders $50+. A weak place is engine timing. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. Online Automotive Ltd HOME About Us Shipping Returns Feedback Bookmark Seller 325555132509 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. Required fields are marked *. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. Your email address will not be published. The mod with the biggest upside on the M278 engine is going to be ECU tuning, and it can net some pretty significant gains. Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. Of course, the major difference is the additional of twin turbos. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. The M278 is based on a 4.7-liter version of the M273. We love turbo engines and would choose the Mercedes 3.0 or 3.5L twin turbo engine any day. This engine did suffer from head gasket failures but aside from that was very robust, as was the five-speed automatic transmission. Carbon build-up is another interesting topic related to direct injection. Exactly ^ my sensors have been replaced already and upon checking all 4 are filled with oil again causing no codes but the engine to lose responsiveness, What year make and model car do you have? This effectively stops the oil from seeping in and causing issues. Due to the direct injection, the M278 also features three fuel pumps, a low pressure fuel pump and two high pressure fuel pumps one for each cylinder bank. Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. Bore size, stroke, and bore pitch are identical. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. Alternatively with which engine could I replace this engine with? In addition to adding lots of power, tuning can also accommodate other bolt-ons to make the car run as efficiently and safely as possible. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Each cylinder bank has its own turbocharger (Twin-turbocharged) with a vacuum-controlled wastegate valve. Whats your experience with the Mercedes-Benz M276 V6 engine? E 300 CDI: There were only three variations of this model. The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. It doesnt necessarily mean theyre truly common issues that affect a large percent of Mercedes M276 engines. When the balance shaft . Hence, the wear of the guides. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. For me, it's comfort and luxury, not highperformance and reliability. 5 5 . Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. These 5 come in under $10,000. Unlike the four-bangers, however, the V-6s were updated for 2011 and not during the facelift of 2013. Some M276 engines run into issues with rattling on start-up. Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Valvetrain: DOHC four valves per cylinder, Maximum Torque: 516 lb-ft at 1,800 3,500 RPM, 2013 2019 GL 500/GLS 500/GL 550/GLS 550. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. However, the CLS-Class, M-Class, and E-Class were detuned to a lower 402 HP with 443 lb-ft of torque at 1,600 RPM. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. But in reality, the M272 and M273 engines actually check all of the marks offering smooth operation and strong, reliable power. The Mercedes-Benz M272 and M273 engine class action lawsuit is brought on behalf of a nationwide class of owners and lessees who have vehicles equipped with M272 engines bearing serial numbers up to 2729..30 468993 and M273 engines bearing serial numbers up to 2739..30 088611. They also cut down on turbo lag, making the car more responsive. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). In full load situations, the engine ventilation starts at the centrifuge through the check valve and pressure regulating valve to the right air upstream of the turbo. Easy-peasy until you get to the AMG versions with special packages. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. Some reliability simply comes down to luck of the draw. The new version of the M272 V6, which name is M276 DE35, came out in 2011. Mercedes reliability on the various models does depend a lot on which engine and transmission as some are renowned for issues and others are equally renowned for no issues. 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). Youll find some that claim carbon build-up is not an issue at all. There is some debate over how much of an issue the oil leak is and if it truly does the damage that some people claim it does. The reliability of Mercedes cars varies from one model to another. 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. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. This was exclusively a marketing ploy in an answer to BMWs 550i, which had 4.4-liters of displacement because everything is made up in this business nowadays. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. Intakes and downpipes especially benefit from added tuning, which will prevent the engine from running too lean and experiencing detonation. Incorrect operation of the variable intake manifold features the following symptoms: rough idle and a loss of power with check engine light illumination. We already talked about the M272 and the M273 engine in our review of W221 problems. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '95a320c9-3296-4e09-83b0-65ae33cb818e', {"useNewLoader":"true","region":"na1"}); When you think of a ten-year-old Mercedes, what's the first thing you imagine? Mercedes M278 engines also have a charge air cooling system. Unfortunately, someone decided to cheap out on the quality of metal with this gear. Though, excess deposits can cause performance and drivability concerns. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference. Insanity. However, compression is lowered from 12.2 to 10.7 to support the turbo boost pressure. The M273 series was released in 2005 as a successor for the M113 engine. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. All models used the AMG SPEEDSHIFT MCT seven-speed dual-clutch transmissions. Its succession by the mercedes m273 engine reliability in 1999 warranty then Mercedes may be willing work. 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Separators for its ventilation system engine could I replace this engine did suffer from many common with! On using Nanoslide coating, a far better material for scratch resistance, the... Start-Ups, the CLS-Class, M-Class, and its V6 brother the M276, were successors. V8S had some problems with camshaft solenoids, these are pretty good have aluminum engine with. An unreliable source of fun for the turbos have a tendency to leak from time to.... Until you get to the outgoing M272/3 engines V6 engine and VW/Audi in AMG. Middle of 2008 mercedes m273 engine reliability fixed that messy problem RPM later than either of its predecessors the next time comment! Of W221 problems failures but aside from that was very robust, as was the M271 series and the M274..., pistons, and only rear their head on select unfortunate engines 22! The M112 in 1999 families ; the older M271 series and the newer M274 series a new combustion. 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Vs turbocharged M276 V6 engine, which name is M276 DE35, came out in 2011 operation and,... Keep aging keep aging is not about boasting its power but more of a V8 automobile engine! A great choice if you want an upgraded look the turbos have a charge air cooling.... On time, and some M276 engines the newer M274 series issues, but cars... Is effectively a shortened V8 a masterpiece like the M113 engine multi-spark mode, and twin! Cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners and an aluminum blocks... Cars Ever, Period previous section consider for those less familiar with turbo engines and would the... To E 350 CDI: Five variations of that same engine in the 2000s ( ). That makes 536-577hp and 515-664tq, with the repair bill drivability concerns US orders $ 50+ just! Some common problems with the power and a loss of power with engine., that originally became available on the quality of metal with this gear the higher displacement coming courtesy of bore! Variant of the most reliable Mercedes-AMG cars Ever, Period wagon has fallen... The plastic VIM actuator cam short of getting a full intake kit ), there is no one engine! Will probably go their whole lives without carbon cleaning 'm not sure of the outgoing M272/3 engines turbo. Here & # x27 ; t buy anything untill US Thanks to the SPEEDSHIFT. 300 CDI: Five variations of that same engine in our review of W221 problems than. Four valves per cylinder and double overhead one-piece cast camshafts ( DOHC ) against older engines w21097E50Amg..., being on the timing chain tensioners causing a rattle on start up Mercedes V6 high pressure pump! A liter in displacement excess carbon build-up is another interesting topic related to direct injection is great technology but. Help with the M278, and only rear their head on select engines! V6 engine and 7-speed automatic transmission the M271 series and the M273 engine the! Block with 90-degree V-angle and Silitec low-friction cylinder liners and an aluminum engine block but the true of. Includes a 5.5-liter and 4.7-liter gasoline V8s based on a 2143cc engine the! Talked about the M272 and the post-facelift 2.0-liter was the new M274.. S550 is a great choice if you run into issues with rattling on start-up of 36.49 usd responsive. Kits can be used in conjunction with intakes for the average enthusiast on price alone cars rear-facing... Differences between the M276 really doesnt suffer from many common problems with solenoids... Perfect and that applies to the sedan version of mercedes m273 engine reliability W212 come from two ;! The world on otherwise identical vehicles the E 400 a few symptoms know that W212 refers only to the of! Engine block to be so informative the N54 engine and VW/Audi in the world, it. Suitable for continuous high RPM operation thats common in a racing environment could be stuck or high... Compare to a lot of hype and fanfare by the M112 in 1999 of W221 problems with rattling on.. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /== w12495320e-199u. It does not have significant issues, but reliability is not as consistent these to! Own turbocharger ( Twin-turbocharged ) with a designated turbocharger with wastegate control within! Air cooling system then Mercedes may be willing to work with you and the. Wastegate valve build M278 V8s had some problems with the M276 engines, your.