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:

    The first 1000 miles (1500 km)
    The more you look after the engine when it is new, the more satisfied you will be with its performance in the future.  - Drive at varying vehicle speeds and engine speeds for the first 100 ...

    Switching on HD Radio
    As HD Radio stations are broadcast in the AM/FM wavebands, operating HD Radio is very similar to operating analog AM/FM radio. This section describes only those functions that differ from sta ...

    Adjusting the headlamps
    1 V vertical axis 2 H (horizontal) height, measured from the center Setting the headlamps correctly is extremely important. Setting the high-beam headlamps also sets the low-beam headlamps. (Th ...