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:
Roadside Assistance button
Press and hold Roadside Assistance
button 1 for more than two seconds. This initiates a call to the Mercedes-Benz
Customer Assistance Center. The indicator lamp in Roadside Assistance but ...
Centrally locking and unlocking thevehicle from the inside
You can centrally lock or unlock the vehicle
from the inside.
The central locking/unlocking button does
not lock or unlock the fuel filler flap.
The buttons are located on both front doors.
...
Fogged up or dirty windshield
If the windshield in front of the camera is
fogged up or dirty on the inside or outside, the
Night View Assist Plus display is affected.
WARNING
Please do not forget that your primary
respons ...
