SmartKey battery

See also:

Rear seat head restraints
WARNING   For safety reasons, always drive with the rear head restraints in the upright position when the rear seats are occupied. Keep the area around head restraints clear of articles ...

Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer Assis ...

Engines and transmissions in detail: The SUV efficiency champion
The third-generation M-Class sets a new benchmark in the SUV segment. The low fuel consumption figures and exemplary emissions figures are particularly impressive. Compared with the outgoing model ...