See also:

Restricting the shift range
Pull the left-hand steering wheel paddle shifter. The automatic transmission shifts down one gear and restricts the shift range to the relevant gear. If the engine exceeds the maximum engi ...

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 ...

Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" se ...