See also:

Folding the exterior mirrors in or out automatically
This function is only available in vehicles for Canada. If the "Fold in mirrors when locking" function is activated in the on-board computer (): the exterior mirrors fold in automatic ...

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 ...

Cleaning the exterior lighting
– Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning clo ...