See also:

Mounting dimensions
WARNING Only have a trailer tow hitch retrofitted at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. Mercedes-Benz reco ...

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 ...

EBD (electronic brake force distribution)
Observe the "Important safety notes" section. EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. WARNING If EBD has mal ...