See also:

Changing gear
The automatic transmission shifts to the individual gears automatically when it is in transmission position D. This automatic gearshifting behavior is determined by: • a shift range restriction ...

High-beam spot lamp (vehicles with LED-daytime running lamps)/infrared light (Night View Assist Plus)
Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Switch off the lights. Open the hood. ...

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 ...