See also:

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...

Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key. Open the driver's door. Close the front-passenger door, the rear doors and the tailgate. Press the locki ...

Setting the center vents in the rear compartment
1 Rear-compartment air vent, left 2 Rear-compartment air vent, right 3 Rear-compartment air vent thumbwheel, right 4 Rear control panel for automatic climate control 5 Rear-compartment a ...