See also:

Unlocking the trunk (mechanical key
The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid. If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use th ...

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be starte ...

New dimensions in energy efficiency
The performance of the Mercedes-Benz M-Class engines becomes particularly apparent when looking at the reduced energy requirements coupled with a marked increase in power output per litre for the ...