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.

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

when you start the engine. The immobilizer is always deactivated when you start the engine.

    See also:

    Xenon bulbs
    If your vehicle is equipped with Xenon bulbs, you can recognize this by the following: the cone of light from the Xenon bulbs moves from the top to the bottom and back again when you start the ...

    Performance
    The nice thing about being able to afford the ML550 is the 382-horsepower V-8 under its hood. Calling this SUV "fast" is an understatement. Mercedes says it goes from zero to 60 mph in 5 ...

    Climate control
    Different temperatures can be set for the driver's and front-passenger sides. - Turn the SmartKey to position 2 in the ignition lock. - To increase/reduce: turn controls 1 and 6 clockwise or c ...