The Mercedes M276 V6 engine with a volume of 3.0 liters was introduced in 2013 and has since been installed on most modern models of the concern. There are 2 modifications of this power unit: DE30 LA red, with a capacity of 272 hp and DE30 LA, with a capacity of 333 to 367 hp.
Mercedes V6 family: M112 E24, M112 E26, M112 E28, M112 E32, M112 E37, M272 E25, M272 E30, M272 E35, M276 DE30, M276 DE35.
Specifications
| Production years | since 2010 |
| Displacement, cc | 2996 |
| Fuel system | direct injection CGI |
| Power output, hp | 272 (M 276 DEH 30 LA red.) 333 – 367 (M 276 DEH 30 LA) |
| Torque output, Nm | 400 (M 276 DEH 30 LA red.) 480 – 520 (M 276 DEH 30 LA) |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 88 |
| Piston stroke, mm | 82.1 |
| Compression ratio | 10.7 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | yes |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 8.0 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Mercedes E300 2015) — city — highway — combined |
9.5 5.6 7.0 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 172 |
The engine was installed on:
- Mercedes E-Class C207 in 2013 – 2017, E-Class W212 in 2013 – 2014, E-Class W213 in 2016 – 2020;
- Mercedes CLS-Class W218 in 2014 – 2017;
- Mercedes GL-Class X166 in 2014 – 2019;
- Mercedes S-Class W222 in 2014 – 2020;
- Mercedes SL-Class R231 in 2014 – 2020;
- Mercedes C-Class W205 in 2015 – 2021;
- Mercedes GLC-Class X253 in 2015 – 2022;
- Mercedes ML-Class W166 in 2015 – 2019;
- Mercedes SLK-Class R172 in 2016 – 2020.
Disadvantages of the M276 DE30 engine
- The most problematic place of this power unit is the timing chain tensioners.
- If you miss their failure, you will have to change the timing kit with phase regulators.
- Also on these engines, impulse disks on camshafts are often displaced.
- Direct injection injectors are sensitive to the quality of the fuel consumed.
- A couple of cases of scuffing due to catalyst crumbs have been described on specialized forums.
Frequently asked questions about the Mercedes M276 DE30
How much power does the Mercedes M276 DE30 make?
Power output of the Mercedes M276 DE30, hp: 272 (M 276 DEH 30 LA red.); 333 - 367 (M 276 DEH 30 LA). Torque, Nm: 400 (M 276 DEH 30 LA red.); 480 - 520 (M 276 DEH 30 LA).
How much oil does the Mercedes M276 DE30 take and which one?
Engine oil capacity: 8.0 liters. Recommended oil: 5W-30.
Does the Mercedes M276 DE30 have a timing belt or chain?
The Mercedes M276 DE30 uses a timing chain.
Is the Mercedes M276 DE30 turbocharged?
Yes, the Mercedes M276 DE30 is turbocharged.
Does the Mercedes M276 DE30 need valve clearance adjustment?
No, the Mercedes M276 DE30 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mercedes M276 DE30 last?
The typical lifespan of the Mercedes M276 DE30 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Mercedes M276 DE30?
Mercedes E300 2015: city 9.5, highway 5.6, combined 7.0 L/100 km.
What cars was the Mercedes M276 DE30 installed on?
Mercedes E-Class C207 in 2013 - 2017, E-Class W212 in 2013 - 2014, E-Class W213 in 2016 - 2020; Mercedes CLS-Class W218 in 2014 - 2017; Mercedes GL-Class X166 in 2014 - 2019; Mercedes S-Class W222 in 2014 - 2020; Mercedes SL-Class R231 in 2014 - 2020; Mercedes C-Class W205 in 2015 - 2021 and 3 more (see the full list above).
What are the common problems of the Mercedes M276 DE30?
The most problematic place of this power unit is the timing chain tensioners. If you miss their failure, you will have to change the timing kit with phase regulators. All known problems.
