See also:

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started ...

Changing the set speed whilethe vehicle is in motion
When DSR is activated, the control speed can be changed to a value between 3 mph and 10 mph (Canada: between 4 km/h and 18 km/h) during the journey. ► To increase or decrease in 1 mph (Ca ...

Important safety notes
WARNING For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING When p ...