Mercedes m278 problems But that's my opinion. 6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. The M276 is a naturally aspirated V6, and the M278 is a bi-turbo V8. Soft close is vacuum operated. I have a 2014 E550 with bank problems, the camshaft is bad, and scord, I bought the car with 119k miles and now at 146k miles. But that’s hardly of any help to any Mercedes owner out there. This problem, along with the timing chain and tensioner problems, is unique to the first few years of the M278’s manufacturing run and was mostly fixed by the end of the line. Common Mercedes Engine Problems. Jan 1, 2023 · 3) Mercedes M278 Engine Valve Guide Wear Valve guide wear is an issue with the M278 that is rarely discussed. The vacuum actuators can leak and require replacement. There are other problems with direct injection. Sep 18, 2021 · Problems Surrounding Mercedes M278 Engine: Even the best engines have weaknesses or issues that need to be addressed. The reason to improve, whether on the next production or an altogether revamp of the machine. 6-litre M278 to have 22% lower fuel consumption and CO2 emissions than the 5. Feb 16, 2025 · Explore common Mercedes-Benz M278 engine problems, their symptoms, and potential consequences for vehicle owners. Feb 13, 2023 · Common Mercedes M157 Engine Problems. Aug 23, 2024 · In addressing overheating problems in the M278 engine, it’s crucial to understand the underlying causes. I think Mercedes should fix anyone's car that has severe problems caused by oil passing thru the wiring, especially if the car has, say 100K miles or less. Remember, this car was over $100,000 when it was new. Also when the car sits a while the sound of the ignition is bad, been told thats normal because the camshaft adjusters lost oil but I don't like the sound, now I'm going to have to replace most of the top end, my question is what do you recommend for cleaning the oil Feb 3, 2021 · The direct injection design of the M278 has me concerned because DI tends to have significantly more carbon build-up issues. Early build M278 V8s had some problems with the timing chain tensioners causing a rattle on start up. No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. Feb 8, 2023 · Here are all the common Mercedes M278 engine problems: Timing chain tensioner problems; Oil leaks on the engine wiring harness (camshaft sensors and camshaft adjusters) Engine valve guide wear; Engine cam adjuster issues; Various oil leaks; Fuel injector issues on early models; Occasional long cranking issue Mercedes M278 Engine Problems and Reliability. Aug 6, 2022 · The Mercedes M278 Twin Turbo Engine is a fantastic power plant, but can be plagued with annoying rattles - in this video I explain the main causes and how to Sep 18, 2021 · What are Mercedes M273 Engines? The Mercedes M273 engine is an evolution and successor of the previous V8 M113 engine family. Jan 3, 2023 · Hallo Mercedes Gemeinde, in einem älteren Thread hatte ich bereits angekündigt meinen W221 S500 (M278) aus 2011 mit über 200k KM einer Zylinderendoskopie unterziehen zu lassen. Anyways, I saw this video about the direct fuel injection system. 1. 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 . However I have not heard much about problems with these engines yet, so hoping someone will chime in with some wisdom. It's a problem area but also not a chronic problem. Nov 23, 2019 · Crazy, I know. Along with new pistons and rings of course to match. Dieses war anfangs einfach nur metallischer, nunmehr wird es immer rasselnder. Problem dotyczy wielu silników Mercedesa, w tym jednostki V8 M278, gdzie hydrauliczne regulatory wałka rozrządu, będące kluczowym elementem systemu zmiennych faz rozrządu, ulegają przedwczesnemu zużyciu. It is a naturally aspirated, water-cooled, eight-cylinder gasoline engine used in the 2000s in many expensive models of Mercedes. Pre-2013 Timing chain problems; Replacing consumables; Timing case cover leaks; Coolant hose leaks; Cylinder scoring; Seized low pressure fuel pump Oct 11, 2024 · Neither Mercedes-Benz nor Euro Motorcars Germantown — where Lacey says she purchased a Certified Pre-Owned 2015 Mercedes-Benz GL550 equipped with an M278 engine in June 2019 — were willing to assume responsibility or provide explanation for repair costs she claims she accrued as a result of the alleged defect, the Mercedes-Benz class action The Mercedes-Benz M278 [1] is a family of direct injected, Bi-turbocharged, V8 gasoline automotive piston engines. [ 2 ] Own or looking to purchase a Mercedes-Benz with the M278 Twin Turbo V8 Engine? Watch this video to learn about the most common issues of this engine and the Jul 12, 2024 · The M276 V6 and M278 V8 engines were installed in a number of Mercedes-Benz models from 2011 up to around 2020. Oil Leaks: Engine oil leaks are a common headache for M278 owners. Just because an engine comes in a premium vehicle from a well-known brand doesn't mean there can't be problems with the powerplant. Both engines have proven to be pretty reliable, but they are, of course, not without some faults, including the high-pressure fuel pumps (HPFPs). The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Mar 5, 2022 · Mercedes could do a combo direct & port fuel injection, like some other modern later cars such as Lexus so the carbon build-up is prevented on the intake valves. As a case in point, I Do Cars tears apart the Mercedes-Benz M278 We rarely see problems with the windows. In diesem Artikel behandeln wir den Mercedes M278 Motor (sowie die AMG-Varianten M152 und M152) – dabei gehen wir neben allgemeinen Informationen und technischen Daten auch auf bekannte Probleme und die Haltbarkeit dieses Triebwerks von Mercedes ein. Genuine Mercedes-Benz Engine Wiring Harness 271-150-01-56 Jan 9, 2025 · Mercedes-Benz GL-Class (X166) – This full-size SUV benefits from the M278’s power to deliver a commanding presence both on and off the road. Sure, every engine will eventually experience oil leaks, coolant leaks and general issues like that. The M278 is a twin-turbocharged V8 engine introduced by Mercedes-Benz in 2010 to replace the naturally aspirated M273. Jan 30, 2024 · I have read that some of the M278 engines that Mercedes made, have a cylinder walls issue where a coating was not applied correctly or something to that effect, and some of the engines fail because of this. When it breaks it can be expensive to repair. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. I was skeptical but the part looked correct and functions well…can’t beat the price! Nov 5, 2008 · Mein M278 im E500 weist schon seit zwei Jahren ein deutlich lauteres Arbeitsgeräusch auf, als mein M278 im CLS500. Mercedes-Benz estimate that these changes, in conjunction with vehicle modifications such as a stop-start system, allow the 4. Hinzu gesellte sich ein deutliches Turbopfeifen -was es beim CLS so nicht gibt. Using HyPerLube that will make those parts more slippery, could help extend engine life! Feb 2, 2025 · Explore common Mercedes M278 engine problems, their symptoms, and potential consequences for informed ownership decisions. If you’re in a rush, we prepared a short summary of all our findings, remember to check our M278 article as well which covers some basic issues as well. Jan 9, 2024 · As many of you may or may not know, Mercedes Benz M278 V8 engine used silitec cylinder barrels for many years. There’s a lot of article online that just list common Mercedes engine problems, but that hardly makes any sense. But knowing this issue can occur is good cause to inspect. M273 engines were based on the identical M272 V6 introduced in 2004. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. Regular maintenance checks can help identify early signs of cooling system issues, such as leaks or blockages. As of March 16th 2015, Engine number start : 2789xx 30 266191, Mercedes change over to cast iron cylinder barrels. . Oct 16, 2024 · All About M278 Engine Mercedes-Benz. It's a Mercedes, there is a lot of technology built into this car. Feb 7, 2024 · In this blog post, we will explore some of the prevalent concerns associated with the Mercedes-Benz M278 engine, helping owners and enthusiasts better understand and address these challenges. In addition to these models, the M278 engine has also found its way into various high-performance AMG versions, where it is further tuned to deliver even more exhilarating performance. With a focus on balancing performance, efficiency, and emissions, the M278 brought modern features like direct injection and turbocharging to Mercedes’ lineup. M278 - problemy z regulatorem położenia wałka rozrządu. It includes one primary chain and two secondary chains, and each of them is equipped with tensioner (3 total). 5-litre M273 while producing more power 320 kW (435 PS; 429 bhp) versus 285 kW (387 PS; 382 bhp) and torque 700 Nm (516 lb-ft) versus 530 Nm Mar 30, 2023 · BenzWorld. But since Mercedes put turbos on the M278, I understand why they did Feb 23, 2024 · I've come very close to buying a variety of M278-based cars (E550, CL550, CLS550), and I came to believe that this is endemic to the motor, and seems to strike in the mid 100K mile range, depending on use of course. The engine has a pretty complicated timing chain drive arrangement. co/d/ht2w7Rr I actually ordered my adjuster from Amazon. Jan 17, 2023 · Bapmic 2780504900 Right Intake Camshaft Adjuster Actuator for Mercedes-Benz M278 E550 S550 GLS550 https://a. Aug 16, 2022 · Common Mercedes M278 Engine Problems While the 4. This is the Aluminum-silicone cylinder treatment. webg byula okjw kzurot othlwx dkxliz zvt piyyy mpywzu udvmxx dviuya vyjwajv pajs hsrxv xhgrj