General notes
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 or the rear door, the anti-theft alarm system will be triggered .
► To end the alarm: insert the SmartKey into the ignition lock.
Removing the mechanical key

1 Release catch
2 Mechanical key
► Push release catch 1 in the direction of the arrow and at the same time remove mechanical key 2 from the SmartKey.
Charging the battery
WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensur ...
Locking the vehicle
If the vehicle can no longer be centrally
locked with the SmartKey, use the
mechanical key.
► Close the front-passenger door, the rear
doors and the tailgate.
► Press the locking bu ...
Exterior spare wheel bracket
General notes
WARNING
If the spare tire is more than 6 years old or is
not the same model as the regular tires, have
the spare tire replaced with a new tire at the
nearest Mercedes-Benz Center.
...