Smart Key battery

See also:

Rear seat head restraints
WARNING   For safety reasons, always drive with the rear head restraints in the upright position when the rear seats are occupied. Keep the area around head restraints clear of articles ...

Safety
Mercedes-Benz's Electronic Stability Program, antilock brakes, front and rear side-impact airbags, and side curtain-type airbags are standard. ...

Folding the exterior mirrors in or out automatically
This function is only available in vehicles for Canada. If the "Fold in mirrors when locking" function is activated in the on-board computer  - the exterior mirrors fold in automa ...