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.

mostbet mostbet mostbet

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

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

It is possible that the residual heat function may be activated automatically an hour after the SmartKey is removed. The vehicle is then ventilated for 30 minutes to dry the air-conditioning system.

•► Turn the SmartKey to position 0 in the ignition lock or remove it.

•► To activate: press the button. button.

The indicator lamp above the lights up. button lights up.

•► To switch off: press the button. button.

The indicator lamp above the goes out. button goes out.

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:

    Checking the battery
    Checking the battery Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, th ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differenc ...

    Active safety: New assistance for drivers
    Avoiding accidents and reducing the consequences of accidents: this is the comprehensive approach adopted by Mercedes-Benz in its safety research and referred to collectively by the company as &qu ...