See also:

Passive safety: Nine airbags as standard
Drivers of Mercedes vehicles are safer on the road than drivers of other car brands. This is the result of a study by Mercedes-Benz accident research based on official, anonymous data samples from ...

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 ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...