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 by anyone with a valid SmartKey that is left inside the vehicle.

remove the SmartKey from the ignition lock. To activate with the SmartKey: remove the SmartKey from the ignition lock.
the ignition off and open the driver's door. To activate with KEYLESS-GO: switch the ignition off and open the driver's door.
ignition. To deactivate: switch on the ignition.

deactivated The immobilizer is always deactivated when you start the engine.
In the event that the engine cannot be started when the starter battery is fully charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in USA) or 1-800-387-0100 (in Canada).

    See also:

    Heavy and light loads
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    Tightening the cargo net
    Seat belt reel holder behind the front seats ► Insert belt hook 1 into cargo tie-down ring 2 in the direction of the arrow. ► Pull tensioning strap 3 by the loose end in the direct ...

    Opening and closing
    Overhead control panel 1. To open 2. To open 3. To close •► Turn the SmartKey to position 1 or 2 in the ignition lock. •► Press or pull the switch in the corresponding di ...