Unlocking the driver's door (mechanical key)
If the vehicle can no longer be 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 will be triggered.
- Take the mechanical key out of the
SmartKey.
- Insert the mechanical key into the lock of
the driver's door as far as it will go.

- Turn the mechanical key counterclockwise
to position 1.
The door is unlocked.
- Turn the mechanical key back and remove
it.
- Insert the mechanical key into the
SmartKey.
See also:
Activating RACE START
•► Depress the brake pedal with your left foot,
and keep it depressed.
•► Turn the drive program selector clockwise until the RS lamp lights up.
The multifunction display shows the RAC ...
Instruction labels for tires and loads
WARNING
Do not overload the tires by exceeding the
specified load limit as indicated on the Tire
and Loading Information placard on the
driver's door B-pillar. Overloading the tires
can ove ...
Additives in gasoline
One of the main problems of poor fuel quality
is the forming of deposits that are caused
during the gasoline combustion process.
Mercedes-Benz recommends that you use
fuel brands that have the ...
