Engine Mercedes M260

The 2.0-liter Mercedes M260 engine has been produced at the Sindelfingen plant since 2018 and is installed on models with a transverse powertrain, such as the A-Class and B-Class. This is a motor with cast iron liners, and its longitudinal version has the M264 index.

R4 Mercedes engines: M102, M111, M133, M139, M166, M200, M254, M260, M264, M266, M270, M271, M274, M282.


Production years since 2018
Displacement, cc 1991
Fuel system direct injection
Power output, hp 190 – 306
Torque output, Nm 300 – 400
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 83
Piston stroke, mm 92
Compression ratio 10.5
Features BSG 48V
Hydraulic lifters yes
Timing drive chain
Phase regulator Camtronic
Turbocharging IHI AL0069
Recommended engine oil 5W-30
Engine oil capacity, liter 5.8
Fuel type petrol
Euro standards EURO 6
Fuel consumption, L/100 km (for Mercedes-Benz A250 2020)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 135

The engine was installed on:

  • Mercedes A-Class W177 since 2018;
  • Mercedes B-Class W247 since 2019;
  • Mercedes CLA-Class C118 since 2019;
  • Mercedes CLA-Class X118 since 2019;
  • Mercedes GLA-Class H247 since 2020;
  • Mercedes GLB-Class X247 since 2019.

Disadvantages of the Mercedes M260 engine

  • Use quality fuel as there are cases of piston damage due to detonation.
  • Rarely, but still there are failures of the Camtronic system, and its repair is very expensive.
  • Through the fault of direct injection, carbon deposits form on the intake valves and engine speed fluctuates.
  • Gasoline engines of this line received a particulate filter, its resource is interesting.

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