Activating/deactivating the residual heat 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.
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.
Turn the SmartKey to position 0 in the
ignition lock or remove it.
To activate: press the
rocker switch
up or down.
The indicator lamp in the
rocker
switch lights up.
To deactivate: press the
rocker
switch up or down.
The indicator lamp in the
rocker
switch 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:
Preparing the vehicle
WARNING
The wheel and tire size of the emergency
spare wheel/spare wheel may differ to that of
the damaged wheel. When using an
emergency spare wheel/spare wheel the
handling characteristic ...
Engine
Display messages
(USA only)
(Canada only)
The yellow Check
Engine warning lamp
lights up while the
ignition is switched on
with the engine
running.
Possible causes/consequences and ► ...
Heavy and light loads
WARNING
Depressing the brake pedal constantly results
in excessive and premature wear to the brake
pads.
It may also cause the brakes to overheat,
seriously impairing their effectiveness. ...
