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:
Transfer case
This section is only valid for vehicles with 4-wheel drive (4MATIC). Power is
always
transmitted to both axles.
Performance tests may only be
carried
out on a 2-axle dynamometer. The brake
...
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 ...
Activating/deactivating
- Turn the SmartKey to position 2 in the
ignition lock.
- To switch on: press the button.
The indicator lamp in the button
lights
up. Airflow and air distribution are set to
automatic mode ...
