See also:

General notes
If the vehicle can no longer be locked or 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 w ...

Charging the batter
WARNING   Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosio ...

Correct driver's seat position
Observe the safety guidelines on seat adjustment •► Check whether you have adjusted seat = properly. Electrical seat adjustment (Y page 100) When adjusting the seat, make sure:   ...