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:

    Resetting values
    You can reset the values of the following functions: • Trip odometer • Trip computer "From start" • Trip computer "From reset" Press the or button on the steering ...

    Coolant
    Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks:  - corrosion protection  - antifreeze protection & ...

    System self-test
    If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the indicator lamp illuminates and goes out again after approximately 6 seconds ...