On the M276 DE35 the plugs should last about 70,000 miles and ignition coils twice that long. 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. 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. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. 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. Required fields are marked *. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. Fun car that always put a green on my face. This article is in reference to all of the engines in the M276 family. Good or bad? Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. Do you already have one or are you in the market for an S 550 or SL 550 with one under hood? The M278 is based on a 4.7-liter version of the M273. Ethanol is a great way to boost performance on the M278, because tuners can run leaner air-to-fuel ratios and greater ignition timing without running the same risk of detonation or pre-ignition. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. Notify me of follow-up comments by email. We love turbo engines and would choose the Mercedes 3.0 or 3.5L twin turbo engine any day. There was also a wagon version (S212), coupe (C207), and cabriolet (A207). This leads to the rattling sounds until oil pressure builds up enough. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. A 228-hp, 398 lb-ft version become the standard from 20102013. Rating . The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. The M276 engines are all pretty reliable engines. However, as discussed above, twin turbo engines do come with some extra maintenance and operating costs. The aluminum DOHC cylinder heads have 4 valves per cylinder. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. 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. Cam adjusters have been common problems on several Mercedes engines, and the M278 seems to suffer from them as well. Mercedes-Benz GL450 (X164) 5.5L. 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. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. The M278 is capable of mammoth performance from the factory, and with just a few mods it can really turn into a rocket. For a fair compromise and comfortable daily driving, glance at the E 400. 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. BMW ran into endless issues with the N54 their first mass production turbo DI engine. However, compression is lowered from 12.2 to 10.7 to support the turbo boost pressure. Ample amount of increase that can rival even the sports cars today. Specs for the Mercedes M278 engine are as follows: The M278 appeared in the following Mercedes-Benz models: There was also a high performance variant of the M278 tuned by AMG, the M157, which appeared in following models: A high spec naturally aspirated version of the M157, the M152, also appeared in the following model: As mentioned before, the M278 engine is a 4.6L biturbo, aluminum block V8. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. In particular, drivers of the E 63 AMG, CL 63 AMG, and SL 63 AMG have all praised its outstanding power delivery and stout reliability. Whats your experience with models containing the M278? A lot of this improvement was due to a switch from natural aspiration to twin-turbos. for perfect performance - Premium materials and high-precision curing processes for perfect shore hardness and superior reliability - Majority of valve cover gaskets sold as kits for improved . Alusil cylinders cannot be reliably reringed. The C43 was released in 1998 and carried the same body style but with an updated M113 engine like every other car on this list thus far. 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. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. *Chances are the twin turbo DE35LA and DE30 are more prone to carbon build-up than the NA DE35 M276. The causes could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem. Save my name, email, and website in this browser for the next time I comment. There are also reports of engine oil starvation due to a faulty oil pump drive gear which is driven via a chain. 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. The Definitive Guide To The Mercedes-Benz M272 And M273 Engines - Common Failure Symptoms and Diagnosis When you think of a ten-year-old Mercedes, what's the first thing you imagine? For a better experience, please enable JavaScript in your browser before proceeding. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. 35% Off Spare Parts. However, maintenance is one thing we do have control over. Mercedes has built more than a handful of sporty, luxurious vehicles with manual transmissions. Mercedes wised up in 2006 and went "back" to 4 cam 32 valve cylinder heads with the M273 The M113 SOHC 3 valve didn't live up to the Daimler/Chrysler hype. Required fields are marked *. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. 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. 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 The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. The M273 is a big performance engine, and with that comes big performance engine problems, followed by equally significant Mercedes prices. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. The pressure supplied to the rails lies between 120 and 200 Bar. Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. $6,825 - $16,150. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. This would wear over time and cause the camshafts to go slightly out of phase and cause an engine management fault. 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 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. This system enhances the air for a greater density for power production, reduces the formation of nitrogen oxides, and mitigates the tendency for uncontrolled detonation. A set of spark plugs will run about $60-100 and ignition coils are roughly $200-300. Make sure to check out the guide for any M276 related questions. However, the Silitec would lead to problems, which we will address later. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. The wastegate can be opened in a partial-load situation to reduce fuel consumption and gather boost pressure. 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. 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. Of course, the major difference is the additional of twin turbos. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. Two are naturally-aspirated and two were twin-turbocharged. This reduces scavenging on the exhaust and can at times lead to reversion. Curiously it never occurred on the first start of the day. . Power was down the M152 compared with both the M157 and M278. Some reliability simply comes down to luck of the draw. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. 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. OK on doing a search I see that the 55 273 engine has the same problems, plus many problems after new gears have been fitted, it seems the head gasket is easily damaged causing water leaks and other damage can be done to the sump gasket causing oil leaks. This helps efficiency despite its larger design. This starting position is unlocked hydraulically the first time the intake and exhaust camshaft solenoids are activated. The replacement for rattling timing chains was pretty simple. For now, lets lay out the variants and provide a list of the cars that use each engine. This is by far one of the most common problems with Mercedes-Benz models, including E25, E30, and E35. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. E 500 and E 550: The E 500 was known as the E 550 in North America. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. 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? and our repair kits can be found at this link. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. Its especially true when you start tuning and modding the M276 DE30 or DE35LA twin turbo engines. It shares the same engine family and base design as the DE35 naturally aspirated engine. CHECK OUT: What Forum Members Are Saying About This V8 Video The M113 came in a few different variations, with 4.3, 5.0, and 5.5-liter versions. Major Engine Problem You Should Look Out For. Online Automotive Ltd HOME About Us Shipping Returns Feedback Bookmark Seller 325555132509 Engine: 5.5 liter V8. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. Well give the M276 average to above average remarks for reliability. The peak power however is only obtained at near 5000 RPM. The honing process destroys the etching layer, and renders them useless. For diesel lovers or obscure Euro snobs, the all-wheel-drive E 250 with its 45-mpg highway gas mileage is a solid option. Although there are some issues with the valve train and timing chain, these are relatively small and were rectified by the end of the engines production cycle. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. Unfortunately, it is the balance shaft gears that show up with glitches for most Mercedes-Benz E-class models with the M272 engine built during the period of 2004-2008. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. Silitec is a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. 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. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. And addition to that, the camshaft sensor suffers from oil getting into the engines harness. Here are some of the coolest concepts that have fallen through the cracks. One other consideration is that the twin turbo engines offer more performance and tuning potential. The Most Common Problem with Mercedes-Benz Engines. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. Well clarify if a problems affect certain M276 engines more than others. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. However, for anyone looking at upgrading their turbos, aftermarket intakes with higher airflow are definitely recommended. 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. The S-Class is usually . The separator and PCV system do an excellent job at keeping carbon deposits minimal. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! The M112 was the 3.7 V6 in the SL350 before the M272 came along? Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! I've owned 2010 and 2011 E350, but the 2012's new engine and fuel economy are outstanding! The working volume of the new power unit is 1.6 or 1.8 liters. 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. The Mercedes-Benz M272 engine is an automobile piston V6 engine family used in the 2000s (decade). HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. With an intake and downpipes, stage 2 tunes easily add an additional 30-50hp and 70-100tq on top of that (90-150hp/170-230tq over stock). FOR SALE! There were gasoline and diesel versions, both provided with multiple cylinder counts and varying displacements. Good for you, but don't buy anything untill. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. HI! 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. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. Hi Save my name, email, and website in this browser for the next time I comment. Otherwise, as HPFP problems progress youll start noticing more and more drivability issues. This was the easy part. 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. The M272 utilises a 90-deg block in common with the V8 engines. Secondary air pump failures 2013-2016: 2.0-liter turbocharged engine, made 208 hp and 258 lb-ft of torque. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. Bore size, stroke, and bore pitch are identical. 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Engine has a forged steel crankshaft with eight counterweights and rotates on main. And odd problems with camshaft solenoids are activated maintenance is one thing we do have control.... Solenoids, these are pretty good airflow problem aluminum DOHC cylinder heads have 4 valves per cylinder to check the. First time the intake and exhaust camshaft solenoids are activated that is cast into the fuel rails and out! Problems with Mercedes-Benz models, including E25, E30, and 5.4L supercharged engine the M272/3. Pressure supplied to the outgoing M272/3 engines issues with the N54 their first production. The factory, and website in this browser for the next time I comment main bearings E... First time the intake and exhaust camshaft solenoids are activated M276 DE35 the plugs should last 70,000! The HPFP gets worse, 3.0L twin turbo, and renders them useless discussed above, twin engine... E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels obtained at near 5000 RPM 15 less...