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Mercedes R W251

List of Mercedes R W251 engine types, for which HMS-Tuning may offer performance improvement.

Diesel - Engines

Model engine type engine capacity OEM values  
R W251 300 CDI 2987 ccm 190 HP / 140 kW Select
R W251 R 280 CDI 2987 ccm 190 HP / 140 kW Select
R W251 R 320 CDI 2987 ccm 224 HP / 165 kW Select
R W251 R 350 CDI 2987 ccm 224 HP / 165 kW Select

Petrol - Engines

Model engine type engine capacity OEM values  
R W251 R 500 3498 ccm 272 HP / 200 kW Select
R W251 R 500 4966 ccm 306 HP / 225 kW Select
R W251 R 63 AMG 6208 ccm 510 HP / 375 kW Select
  • Important notice:
    The installation of electronic addons for tuning leads in Germany to a loss of the general vehicle approval, if the installation will not be checked and approved immediately by an official authorized expert. Driving a vehicle on public roads without a general vehicle approval might void your vehicles liability insurance and you may loose the complete vehicle insurance protection (please check upfront with the vehicle insurance provider). Driving a vehicle without having a valid vehicle liability insurance is a criminal offence in Germany! Installation of tuning addons may also lead to loss of any warranty claims against the manufacturer or seller of the vehicle.