See also:

Internet
Further information about Mercedes-Benz vehicles and about Daimler AG can be found on the following websites: http://www.mbusa.com (USA only) http://www.mercedes-benz.ca (Canada only) ...

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 starte ...

Vehicles with manual transmission
Shift to either first gear or reverse gear R. Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated. Apply the parking brake firmly. ...