See also:

Chassis in detail: Dynamism meets comfort
All models in the new M-Class range offer excellent comfort and superb driving dynamics as standard - both on the road and away from the tarmac. Besides the steel suspension with selective damping ...

Unlocking the driver's door(mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigge ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...