Mercedes M113 E50
The main problem of the power units of this family is the huge oil consumption.
Mercedes-Benz R-Class engines
The Mercedes-Benz R-Class is a series of German minivan cars produced by the Mercedes-Benz manufacturing company since 2005. The model is made in the USA. Changes in the design of the car took place in 2007. A rear-wheel drive version was added and the number of seat variations increased by 5, 6 and 7 people. In 2011, there were also changes to the car, more affecting its appearance. The vehicle is sold in the USA, Canada, Europe and China.
The Mercedes-Benz R-Class was offered with 8 engines between 2006 and 2017 (7 petrol, 1 diesel). Displacement ranges from 3.0 to 6.2 liters, power output from 184 to 525 hp. All of them use a timing chain. 3 are turbocharged. The longest rated lifespan belongs to the Mercedes OM642 (about 450,000 km).
Mercedes-Benz R-Class engines by generation
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| Mercedes-Benz R-Class W251 2006–2017 | |||||||
| Mercedes M113 E50 | 2006–2007 | 5.0 L V8 | 296–306 hp | petrol | chain | 8 L | ~350,000 km |
| Mercedes M272 E35 | 2006–2017 | 3.5 L V6 | 258–292 hp | petrol | chain | 8 L | ~320,000 km |
| Mercedes M272 E30 | 2006–2009 | 3.0 L V6 | 231 hp | petrol | chain | 8 L | ~300,000 km |
| Mercedes OM642 | 2006–2017 | 3.0 L V6 | 184–265 hp | diesel, turbo | chain | 8–12 L | ~450,000 km |
| Mercedes M156 | 2006–2007 | 6.2 L V8 | 457–525 hp | petrol | chain | 9 L | ~250,000 km |
| Mercedes M273 | 2007–2014 | 4.7–5.5 L V8 | 340–388 hp | petrol | chain | 8.5 L | ~350,000 km |
| Mercedes M276 DE35 | 2012–2014 | 3.5 L V6 | 252–333 hp | petrol, NA / turbo | chain | 8 L | ~300,000 km |
| Other Mercedes-Benz R-Class engines generation not specified | |||||||
| Mercedes M276 DE30 | 2010–present | 3.0 L V6 | 272–367 hp | petrol, turbo | chain | 8 L | ~250,000 km |
Mercedes-Benz R-Class engine FAQ
What engines were used in the Mercedes-Benz R-Class?
Mercedes-Benz R-Class W251 (2006–2017): Mercedes M113 E50, Mercedes M272 E35, Mercedes M272 E30, Mercedes OM642, Mercedes M156, Mercedes M273 and Mercedes M276 DE35.
Which Mercedes-Benz R-Class engine is the most durable?
By rated service life the most durable Mercedes-Benz R-Class engines are: Mercedes OM642 — about 450,000 km; Mercedes M113 E50 — about 350,000 km; Mercedes M273 — about 350,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
How much oil does the Mercedes-Benz R-Class engine take?
Engine oil capacity with filter: Mercedes M113 E50 — 8 L (5W-40); Mercedes M156 — 9 L (0W-40); Mercedes M272 E30 — 8 L (5W-30); Mercedes M272 E35 — 8 L (5W-30); Mercedes M273 — 8.5 L (5W-40); Mercedes M276 DE30 — 8 L (5W-30); Mercedes M276 DE35 — 8 L (5W-30); Mercedes OM642 — 8–12 L (5W-30, MB 228.51/229.51).
Does the Mercedes-Benz R-Class have a timing belt or chain?
Timing chain: Mercedes M113 E50, Mercedes M156, Mercedes M272 E30, Mercedes M272 E35, Mercedes M273, Mercedes M276 DE30, Mercedes M276 DE35 and Mercedes OM642.
Was the Mercedes-Benz R-Class available with a diesel engine?
Yes: Mercedes OM642.
Engine details
Mercedes M272 E30
The weakest point of this power unit is its timing drive.
Mercedes M272 E35
The weakest point of this power unit is its timing drive.
Mercedes M273
The unit is considered problematic and its weak point is timing drive.
Mercedes OM642
The most famous problem of this diesel engine is leaking on the heat exchanger gaskets, and since it is in the collapse…
Mercedes M156
The most well-known problem with these engines is low camshaft life.
Mercedes M276 DE30
The most problematic place of this power unit is the timing chain tensioners.
Mercedes M276 DE35
The most problematic place of this power unit is the timing chain tensioners.
Models with the same engines
- Mercedes-Benz E-Class 8 shared engines
- Mercedes-Benz S-Class 8 shared engines
- Mercedes-Benz CLS-Class 7 shared engines
- Mercedes-Benz M-Class 7 shared engines
- Mercedes-Benz SL-Class 7 shared engines
- Mercedes-Benz C-Class 6 shared engines
- Mercedes-Benz CLK-Class 6 shared engines
- Mercedes-Benz GLK-Class 4 shared engines
- Mercedes-Benz CL-Class 3 shared engines
- Mercedes-Benz G-Class 3 shared engines