See also:

Charging the battery
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 explosions ...

Safety
All-disc antilock brakes, side-impact airbags for the front and rear seats, and side curtain-type airbags are standard. The company’s Tele Aid emergency communication system can summon help, and i ...

Changing the battery
You require a CR 2025 3 V cell battery. Take the mechanical key out of the SmartKey. Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery t ...