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:

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    1. To switch on or to increase the speed 2. To switch on or to reduce the speed 3. To deactivate cruise control 4. To switch on with the current speed or with the last stored speed Wh ...

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    WARNING Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments. Increase or decrease the set vehicle speed to a value that the prevailing road cond ...