Engine Mercedes M177

The 4.0-liter twin-turbo V8 engine of the Mercedes M177 has been assembled in Germany only since 2015 and is installed on AMG versions of such models as the C-Class, E-Class, S-Class, G-Class, and GLS-Class. In addition to the standard one, there is a hybrid modification with an electric motor producing 22 hp and 250 Nm.

The V8-family includes: M113 E43, M113 E50, M113 E55, M119 E42, M119 E50, M119 E60, M156, M157, M177, M273, M278.

Specifications M177DE40AL

Production years since 2015
Displacement, cc 3982
Fuel system direct injection
Power output, hp 476 – 639
Torque output, Nm 650 – 900
Cylinder block aluminum V8
Block head aluminum 32v
Cylinder bore, mm 83
Piston stroke, mm 92
Compression ratio 10.5 (version LS2 – 8.6)
Features DOHC
Hydraulic lifters yes
Timing drive chain
Phase regulator on all shafts
Turbocharging two BorgWarner B03G
Recommended engine oil 0W-40
Engine oil capacity, liter 9.0
Fuel type petrol
Euro standards EURO 6
Fuel consumption, L/100 km (for Mercedes C63 AMG 2017)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 209

The engine was installed on:

  • Aston Martin DB11 1 (AM5) in 2016 – 2023;
  • Aston Martin DB12 1 (AM5) since 2023;
  • Aston Martin DBX 1 (AM8) since 2020;
  • Aston Martin Vantage 3 (AM6) since 2018;
  • Mercedes AMG GT X290 since 2018;
  • Mercedes C-Class W205 in 2015 – 2023;
  • Mercedes E-Class W213 in 2017 – 2023;
  • Mercedes G-Class W463 since 2018;
  • Mercedes GLC-Class X253 in 2017 – 2022;
  • Mercedes GLE-Class W167 since 2020;
  • Mercedes GLS-Class X167 since 2020;
  • Mercedes S-Class W222 in 2017 – 2020;
  • Mercedes SL-Class R232 since 2021.

Disadvantages of the Mercedes M177 engine

  • First of all, this engine does not like tuning very much; its connecting rods cannot withstand;
  • However, in stock it has a good service life and with proper maintenance it does not bother you;
  • Even the Nanoslide coating instead of cast iron sleeves serves without any special problems;
  • It is important to use only high-quality fuel or the injectors will quickly fail;
  • Some owners experienced oil pump failure on runs up to 100,000 km;
  • Also on specialized forums they often complain about leaks and low service life of spark plugs and ignition coils;
  • A recall campaign was carried out to replace the turbine oil pipeline and drain plug.

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