See also:

Checking the battery
Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discha ...

NECK-PRO luxury head restraints
If you have difficulty resetting the NECKPRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center. Remove resett ...

ATA (Anti-Theft Alarm system)
alarm system is armed and you open: • a door • the vehicle with the mechanical key • the trunk lid • the hood The alarm is not switched off, even if you close the open door that has tri ...