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:

    Important information
    The cooling with air dehumidification function is only available when the engine is running. The air inside the vehicle is cooled and dehumidified according to the temperature selected. WARN ...

    Introduction
    COMAND, in conjunction with a Bluetooth®- capable mobile phone, enables you to make calls via the Bluetooth® interface. Using the Bluetooth® interface and a suitable mobile phone, you can use t ...

    4MATIC (permanent four-wheel drive)
    4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNI ...