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.
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
button.
The indicator lamp in the
button
lights
up.
► To switch off: press the
button.
The indicator lamp in the
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:
Important safety notes
DISTRONIC PLUS regulates the speed and
automatically helps you maintain the
distance to the vehicle detected in front. It
brakes automatically in order to avoid
exceeding the set speed.
On lo ...
Active multicontour seat
The dynamic function of the active
multicontour seat automatically adapts the
side bolsters of the backrest to your current
driving style.
Select the seat.
Select Dynamic Seat by sliding
o ...
SmartKey
0 To remove the SmartKey
1 Power supply for some consumers, such as the windshield wipers
2 Ignition (power supply for all consumers) and drive position
3 To start the engine
As soon as the igni ...
