Mersedes SUV Manuals

Activating/deactivating the residual heat function

Mercedes-Benz GL-Class / Mercedes-Benz GL-Class Owners Manual / Climate control / Operating the climate control systems / Activating/deactivating the residual heat function

The "residual heat" function is only available in Canada.

It is possible to make use of the residual heat


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.

To activate: press the button.


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

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.

To deactivate: press the button.
button.

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

Residual heat is deactivated automatically: after approximately 30 minutes when the ignition is switched on if the battery voltage drops when the auxiliary heating is activated

    See also:

    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 differences are ...

    Problems with the side windows
    WARNING Closing the side windows with increased force or without the anti-entrapment feature could lead to serious or even fatal injury. Make sure that nobody can become trapped when closing the ...

    Engine oil
    General notes Never use engine oil or an oil filter of a specification other than is necessary to fulfill the prescribed service intervals. Do not change the engine oil or oil filter in order to ...

    © 2025 Copyright www.mersuv.com