Activating/deactivating the residualheat function

It is possible to make use of the residual heat of the engine to continue heating the stationary vehicle for up to 30 minutes after the engine has been switched off. The heating time depends on the temperature that has been set.

regardless of the airflow setting. The blower will run at a low speed regardless of the airflow setting.

at high temperatures, only the ventilation If you activate the residual heat function at high temperatures, only the ventilation will be activated. The blower runs at medium speed.

Turn the SmartKey to position 0 in the ignition lock or remove it.
To activate: press thebutton. button.

The indicator lamp in the lights button lights up.

To switch off: press the button.

The indicator lamp in the goes button goes out.

automatically: Residual heat is deactivated automatically:

after about 30 minutes
when the ignition is switched on
if the battery voltage drops
if the coolant temperature is too low

    See also:

    Side impact air bags
    WARNING The pressure sensors for side impact air bag control are located in the doors. Do not modify any components of the doors or door trim panels including, for example, the addition of ...

    Raising the vehicle
    WARNING When jacking up the vehicle, only use the jack which has been specifically approved by Mercedes-Benz for your vehicle. The jack is designed exclusively for jacking up the vehicle a ...

    Vehicle operation outside the USA and Canada
    If you plan to operate your vehicle in foreign countries, please be aware that:  - service facilities or replacement parts may not be readily available.  - unleaded fuel for vehicles w ...