Removing the mechanical key

•► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey.
See also:
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 ...
Safety systems
Display messages
Possible causes/consequences and
Solutions
Risk of accidentABS (Anti-lock Braking System), ESP®
(Electronic Stability Program), BAS (Brake Assist), PRE ...
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 ...
