See also:

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehic ...

ATA (Anti-Theft Alarm system)
A visual and audible alarm is triggered if the 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 ...