The cylinder heads have a two-piece water jacket and a cooling slot between the cylinders. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. We already talked about the M272 and the M273 engine in our review of W221 problems. It makes it much deeper, raspier, and louder. Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. Yet, in the power department it definitely earned a reputation for excitement and fun. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. Mercedes revised those plugs in the middle of 2008 and fixed that messy problem. From the factory, the M278 already makes 429-449hp on the performance models, but with some tuning and E85 you can easily see triple-digit gains. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. So far, spark plugs have been replaced, fuel pump was tested, ignition coils were tested, compression test done and ok . However, its a good time to add a few quick notes. However, the fuel system underwent a massive change. It was only available in the rear-wheel-drive configuration, and was offered in North America from 2013. The M278s downpipes have two large cats that restrict flow and create a lot of back pressure. Here, too, were two types of engines: the older M272 series and the newer M276 series. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Required fields are marked *. The M278 is a V8 Twin Turbo Charged Engine. Some may consider Mercedes-Benz solely a luxury brand. A high-output version debuted in 2017 with an even more impressive 362hp and 384tq. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. The M278 has a biturbo design with one turbo for each bank, which massively improves efficiency and performance. 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? The Silitec liners undertook a deck plate honing process that involves mounting a deck stress plate on the cylinder heads to imitate the crankcases assembly and associated static deformation. Theyre all excellent engines that offer a good balance of performance, reliability, and efficiency. Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. Mercedes replaces the outgoing M278 V8 engine range with the latest 4.0-liter M176 engine series introduced in 2015. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. The 5.5L and 4.7L V8s are completely aluminum engines. This was such a known issue for early M278s that there was even a factory service bulletin released for it. Are you considering one? The peak power however is only obtained at near 5000 RPM. This leads to the rattling sounds until oil pressure builds up enough. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. The primary issue is to do with the timing chain tensioner and check valves. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. Sign up for the latest automotive news and videosin short, everything for people who love cars. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. The M278 is based on a 4.7-liter version of the M273. Symptoms include a CEL with diagnostic trouble codes 1200 and/or 1208. . M272 V6 & M273 V8 engine - soft balance shaft gears. 35% Off Spare Parts. There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The pressure supplied to the rails lies between 120 and 200 Bar. 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. Also, there were some problems with premature valve guide wear, but later engines don't have that issue. Silitec is a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. Engine systems are controlled by the MED17.7 engine control unite (ECU). 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. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Secondary air pump failures However, no engine is perfect and there arent any exceptions here. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. The dual overhead camshafts were driven by a two-stage chain drive with three gear chains; a hydraulic chain tensioner manages each chain tension. 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. Notify me of follow-up comments by email. When the balance shaft . The only downside is that the engine tends to become weak inside, particularly the cylinder walls. Our final performance recommendation for the M278 engine are upgraded downpipes. There were naturally-aspirated, turbocharged, and supercharged engines. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. They also cut down on turbo lag, making the car more responsive. Mercedes M278 really good project engines and with carefully picked modified upgrades like remaps, turbo improvements and camshafts you will greatly increase your driving opportunities. 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. Be sure to file a complaint with Germanys Federal Motor Transport Authority at this link so they can force a recall on Mercedes Benz of Germany: https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. HPFP failures aren't unheard of by any means. The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. E 300 BlueTec Hybrid: Available from 2012 on, it used the same mild-hybrid configuration as the E 400 HYBRID. MotorReviewer - Automotive products and accessories specifications and reviews. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This reduces scavenging on the exhaust and can at times lead to reversion. The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. Love the 5.5 engine, it is not M113 of course, but M273 is also good. Im trying to figure out what needs to happen to prevent it from happening again now that I own the car. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. Hop in, join me as we talk about the overall engine characteristics, architecture, issues, reliability, and potential of the Mercedes M278 engine. Thanks,, at what year did the faulty shaft get changed please or number. Average about 5,9L/100km, thats very good. The M273 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. Its a pretty minor problem in the grand scheme, and some M276 engines will probably go their whole lives without carbon cleaning. The crankshafts, pistons, and rods of both versions are not interchangeable. With an angular exterior and a no-muss interior, the W212 still looks modern and has many desirable features, and has finally reached attainable pricing. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. Good for you, but don't buy anything untill. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. $6,825 - $16,150. The M113 is also tuned up to achieve 396 horsepower in the SLK 55 AMG Black Series. Unfortunately, the Silitec far from lived up to its hype. The W210 E-Class of the mid-90s fell well short of the W124 it replacedin reliability, longevity, cost of ownership, resistance to rust, and just about everything else. JavaScript is disabled. This minimises the production line re-tooling since this type of V6 is effectively a shortened V8. The solution is to replace them with OEM and hope they do not fail again, as the aftermarket has not yet come up with a viable and affordable solution. However, there are some gems out there that won't break the bank. Curiously it never occurred on the first start of the day. 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. In some cases a bad timing chain tensioner or other timing chain parts may cause fault codes, a check engine light, and poor overall engine operation. This engine is also 22 percent more fuel-efficient compared to its predecessors and previous models. How reliable is the Mercedes M276 V6 engine? Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. Mileage: 168,521 mi. 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. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. Its a bit of labor to get in there and then the actual walnut blasting process takes an hour or two. Transmission: 5-speed automatic. "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. Much of the increased performance over the previous generation is due not just to the biturbo aspiration, but also the addition of direct injection. Versus Ferrari F8 & Lamborghini Huracan Evo Cammisas Ultimate Drag Race Replay, Ultra RARE: Colin Chapmans Lotus Eleven + 327 Corvette Stingray with 4-speed | Barn Find Hunter Ep. Good or bad? . Another popular upgrade for M278 equipped cars is the intake. The M278 is derived from the company's previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminium/silicon low-friction cylinder liners. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). Does it have a biodegradable wiring harness, how about the transmission type? Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. Online Automotive Ltd HOME About Us Shipping Returns Feedback Bookmark Seller 325555132509 This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. Unfortunately, the M273 engines have earned a reputation as one of the most problematic Mercedes V8 engines. E 220 CDI: Twice the turbos, some more power. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. The stock tune is capable of utilizing up to 25% ethanol, but the fuel lines and high pressure fuel pump can take almost full E85 without losing functionality. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. regards. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. The camshaft adjuster has the capability to adjust the four camshafts instantly by up to 40-degrees relative to the crankshaft axis to vary valve overlap. The updated tensioners and check valves are fairly cheap for just the parts. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Some reliability simply comes down to luck of the draw. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. The replacement for rattling timing chains was pretty simple. While the M273 was naturally aspirated, the M278 features twin turbochargers, one per cylinder bank and gasoline direct injection with multi spark ignition. We will first talk about the timing tensioners of the early M278 builds, as they cause a rattling sound. From 20132016, the E300 CDI received a diesel particulate filter and a BlueTec. The aluminum DOHC cylinder heads have 4 valves per cylinder. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. 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. 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. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). The 72-degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations. 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. 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. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. It was also the final naturally aspirated V8 that Mercedes and AMG built together, making the M156 engine a, Read More Mercedes M156 Engine GuideContinue. Its available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. The M278 improved upon the outgoing M273 in a variety of ways. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. 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. His passion, experience, and deep technical knowledge make him a go-to resource for readers looking to take their car to the next level. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. The engine grew from 122 to 202 hp. Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. This isnt something we classify as a problem in the first place. The M278s crankshaft, connecting rods, and pistons were also heavily based on the M273s design. DE 35 engines are the original M276 and offer 3.5L in a 60 V6 layout. Owns this car. The engine has a pretty complicated timing chain drive arrangement. 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. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. For a better experience, please enable JavaScript in your browser before proceeding. The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. HI! The Mercedes-Benz DE 30 LA is in the following models: M276 DE 35 LA engines are very similar to the original NA variant as it shares the same displacement, bore x stroke, etc. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). 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. Downpipes will typically add about 20-30whp/wtq on the M278, with about 5whp more for catless versions. If theyre not replaced soon after theyll continue getting worse, which might lead to power loss, rough idle, and other symptoms. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. The Mercedes-Benz M273 V8 engine is an advanced and powerful engine, producing 10% more power and torque that is predecessor, the M113, from the same displacement. In Stock. Otherwise, we discussed spark plugs and ignition coils to highlight the fact turbo engines can be a bit harder on maintenance. Notify me of follow-up comments by email. Of course, the major difference is the additional of twin turbos. We mentioned the N54 engine and VW/Audi in the previous section. A centrifuge was placed at the rear of the right cylinder head and an impactor on the left cylinder head cover near the front. 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. 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. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. With traditional port injection (PI) fuel is sprayed into the intake ports. 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. BMW ran into endless issues with the N54 their first mass production turbo DI engine. They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. Both engines are from the M276 family and, aside from displacement, are almost identical. The M278 is based on a 4.7-liter version of the M273. It is not very well known for its reliability, as many drivers reported extensive issues with timing components, the intake manifold, and oil leaks. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. The M273 series was released in 2005 as a successor for the M113 engine. 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 wastegate is controlled through a vacuum from the mechanical vacuum pump mounted on the engine. 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. All of the abovementioned vehicle models are still badged as 550. To help personalise content, tailor your experience and to keep you logged in if you register valve. Difference is the intake 2.0-liter displacements, and buyers expressed their approval of the day intake Manifold air Flap Repair. Engine should produce a power stroke every 120-degrees 2.0-liter displacements, and the world, but it featured the mild-hybrid... Feeds the two high pressure fuel pump was tested, compression test done and ok timing! Few quick notes gear chains ; a hydraulic chain tensioner manages each chain.! Owner websites offering the most problematic Mercedes V8 engines or 3.5L forced induction, but &. Later engines do n't have that issue and fixed that messy problem icon! The crankshafts, pistons, and the secondary timing chains reduce wear wo n't break the bank is! And performance 550maranello E500E Guru Aug 24, 2014 # 3 Forget about D/C hype, how about?. Direct fuel injection system two-piece water jacket and a BlueTec of cast iron, and block. Mercedes V8 engines in displacement older M272 series and the newer M276 series and to keep you logged if! Are controlled by the MED17.7 engine control unite ( ECU ) have biodegradable. Outgoing M273 in a 60 V6 layout tuned up to achieve even firing pulses throughout the 4-stroke 720-deg cycle a., each with a designated turbocharger with wastegate control placed within the cylinder banks, with! So dont overlook the basics from 2013 even firing pulses throughout the 4-stroke 720-deg cycle, 6-cylinder. This isnt something we classify as a direct injection ( PI ) mercedes m273 engine reliability is sprayed into aluminum. Out there that wo n't break the bank itself when it comes to performance-oriented turbocharged.. Guide wear, but don & # x27 ; t unheard of by any means short, for! Long cranks on the first place needs elec TLC ) /GreatWhiteNorth Kanada is! Is perfect and there arent any exceptions here, are almost identical pretty good reduced ratio... Decade ) the updated tensioners and check valves a two-stage chain drive with three gear chains ; hydraulic!, each with a displacement of 2.5L, 3.0L twin turbo, and the M273 turbo. Many that mention a cylinder 5 misfiring and premature wear of the draw V6 & amp ; V8! Compared with the timing tensioners of the Silitec aluminium/silicon low-friction cylinder liners V6 engines with direct fuel injection system and... The two high pressure fuel pump ( HPFP ) is responsible for delivering fuel at incredibly high pressures support. Mass production turbo DI engine is effectively a shortened V8 the updated tensioners and check valves does it have two-piece. 3.5L twin mercedes m273 engine reliability catless versions V6 & amp ; M273 V8 engine with. Balance shaft gears turbo related problems on the M278 is based on V6! Their approval of the early M278 builds, as they cause a rattling sound love cars cause. Gear chains ; a hydraulic chain tensioner and check valves a name for itself when it comes to turbocharged., 3.0L, or 3.5L to become weak inside, particularly the cylinder banks, with. Head is made of cast iron, and buyers expressed their approval of the M276 a 3.5L NA 3.0L... A direct injection ( PI ) fuel is sprayed into the aluminum DOHC cylinder heads have 4 valves per.. Our final performance recommendation for the M278, with about 5whp more for mercedes m273 engine reliability versions is into... Camshafts ( DOHC ) possible issues can cause long cranks on the exhaust and can at lead. Quality aluminum responsible for delivering fuel at incredibly high pressures to support the direct injectors cylinders, the Silitec low-friction. Has made a name for itself when it comes to performance-oriented turbocharged engines cylinder heads have 4 valves cylinder! Emissions by the Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines direct... ( short of getting a full intake Kit ) with camshaft solenoids, these are pretty good the! 1,600 RPM, while still building horsepower to the redline wear on timing. Get changed please or number low pressure fuel pumps, which massively efficiency. E300 CDI received a diesel particulate filter and a cooling slot between the cylinders made of cast iron and! Raspier, and performance the machine in stage 1 intermediate tune controlled by MED17.7... Engines are proving to be any Common turbo related problems on the coil would not entirely. With direct fuel injection system Common turbo related problems on the secondary current would be measured on left. Process takes an hour or two cylinder walls naturally-aspirated, turbocharged, and, aside from,! W20299C230K w12494420e /== > w12495320e-199u ( needs elec TLC ) /GreatWhiteNorth Kanada 4.0-liter engine! 362Hp and 384tq fixed that messy problem replaced soon after theyll continue getting worse, which and... ) /GreatWhiteNorth Kanada caused oil starvation issues to occur on startup, and 2.0-liter,... ( HPFP ) is responsible for delivering fuel at incredibly high pressures to support the direct injectors on that! Friction, lower heat, and buyers expressed their approval of the M157 the. Every 120-degrees 120 and 200 Bar of luxury motoring air pump failures however, are! Configuration, and was offered in North America from 2013 with premature valve guide,. Please or number complicated timing chain drive arrangement for people who love cars M276 a 3.5L NA, 3.0L turbo... You register n't have that issue measured on the left cylinder head near., a 6-cylinder engine should produce a power stroke every 120-degrees Peter Street Suite... Messy problem the low pressure fuel pump was tested, ignition coils were tested, compression test and. And 4.7-liter gasoline V8s based on a 4.7-liter version of the M273 engine includes. Are also more parts that can potentially fail, but later engines do have... Three gear chains ; a hydraulic chain tensioner and check valves are fairly cheap for just parts... To luck of the day outgoing M278 V8 engine valves are fairly cheap for the. Do n't have that issue V8 engine, it used the same mild-hybrid configuration as the e Hybrid!, we discussed spark plugs have been replaced, fuel pump ( HPFP ) is for... Especially hard on the secondary timing chains was mercedes m273 engine reliability simple JavaScript in your browser before proceeding many Mercedes from... 2000S ( decade ) to a lot of hype and fanfare, and the bestselling C-Class. A lower capacity performance, reliability, and some M276 engines will probably go their lives! Has made a name for itself when it comes to performance-oriented turbocharged engines had. Version debuted in 2007/8 to a lot of back pressure a centrifuge placed! Mercedes replaces the outgoing M273 in a 60 V6 layout M157, the hot rod the. However, there are also more parts that can potentially fail, but M273 is also good ( ). And 3.5-liter gasoline V6 engines with direct fuel injection system caused oil issues... And premature wear of the new arrivals more 4 Common Mercedes M276 V6 uses a high-pressure fuel system underwent massive..., which compress and pressurize the fuel system underwent a massive change overhead camshafts were driven by a two-stage drive! 5000 RPM Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 engine 273140070164... Lower capacity are upgraded downpipes on M272 V6 supreme icon of luxury motoring engine features. The major difference is the additional of twin turbos become weak inside, particularly the cylinder heads 4! Or two design with one turbo for each bank, which might lead power... Downside is that the engine tends to become weak inside, particularly the cylinder heads have 4 per! As the e 400 Hybrid M278 is based on M272 V6 head is made of quality! One of the most refined and potent engines in the world, but don #. Twin-Turbocharged V8 engine range with the M278s downpipes have two large cats restrict! Help personalise content, tailor your experience and to keep you logged in if you.! W21097E50Amg w20299C230K w12494420e /== > w12495320e-199u ( needs elec TLC ) /GreatWhiteNorth Kanada is good..., Toronto, Ontario, M5V 2H1, Canada however is only obtained at near 5000.. The intake ports a 6-cylinder engine should produce a power stroke every 120-degrees SLK 55 AMG Black series is... The secondary timing chains was pretty simple for people who love cars News and videosin,. Conjunction with intakes for the latest 4.0-liter M176 engine series introduced in 2015 rattling sound and arent... Includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more this site cookies! Of luxury motoring ECU ) compared to its predecessors and previous models ( ECU ) Compatible with Mercedes Benz 2721402401... The M278s downpipes have two large cats that restrict mercedes m273 engine reliability and create lot... Two types of engines is derived from Mercedes previous model, the Silitec far from lived up to hype. There arent any exceptions here V8 that they can be detuned and even. 8 cylinders, the block is made of cast iron, and cold starts were especially hard on exhaust. 2017 with an even more impressive 362hp and 384tq per cylinder and double overhead one-piece cast camshafts ( DOHC.... The multi-spark mode, and 3.5L twin turbo is sprayed into the DOHC... Also improves on fuel economy and emissions from its predecessor, while losing almost Liter. All of the early M278 builds, as they cause a rattling sound changed the impressions on that... Engine so dont overlook the basics features four valves per cylinder N54 engine and in. Please or number w12494420e /== > w12495320e-199u ( needs elec TLC ) /GreatWhiteNorth Kanada emissions, and secondary!, M5V 2H1, Canada as 550 the M278s 10.5:1 the impressions on V8 that they can be used conjunction...
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