See also:

Resetting triggered NECK-PRO head restraints
WARNING For safety reasons, have the NECK-PRO head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING When pushing back the NECK-PRO head r ...

New for 2011
There are no major changes, but "mbrace," a new telematics system, replaces Tele Aid and has features such as locating a vehicle in a parking lot and remotely locking and unlocking doors ...

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid/ tailgate, th ...