See also:

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 res ...

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 vehicle ...

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...