Activating/deactivating the residual heat function

The residual heat function is only available in vehicles for Canada with automatic climate control.

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.

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

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

0 in the ignition lock or remove it. Turn the SmartKey to position 0 in the ignition lock or remove it.
button. To activate: press the The indicator lamp in the  button button.
The indicator lamp in the lights up. button lights up.
button. To switch off: press the The indicator lamp in the  button button.
The indicator lamp in the goes out. 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:

    Using the rear center seat belt
    If the left-hand rear seat backrest is folded down and back up again, the rear center seat belt may lock. The seat belt can then not be pulled out. To release the rear center seat belt: pull out ...

    Important safety notes
    You will find an illustration of the instrument cluster in the "At a glance" section WARNING A driver's attention to the road and traffic conditions must always be his/her primary ...

    Vehicle Overview
    More than one automaker would like to believe its sport utility vehicle is the “ultimate” example. Mercedes-Benz is taking a step in that direction with the new G500 (G-Class), which evolved from ...