See also:

Adjusting the steering wheel manually
Adjusting the steering wheel manually 1 Release lever 2 To adjust the steering wheel height 3 To adjust the steering wheel position (fore-and-aft adjustment) Push release lever 1 down complet ...

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 ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...