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Controls in detail
Tempmatic
3
̈ To reduce: turn the temperature selec-
tor control counterclockwise.
Air vents in the roof air duct
Adjustable air vents are integrated in the
roof air duct.
1 Air vents
̈ Adjust the airflow by opening/closing
the air flaps.
Alter the air distribution by turning the
air vents.
The fuel-fired heater booster system heats
the vehicle interior as quickly as possible
while the engine is running.
The switch for the heater booster function
is between the light switch and the steer-
ing wheel.
Vehicles with auxiliary heating
Vehicles without auxiliary heating*
1 To switch the auxiliary heating on/off
(୴ page 140)
2 To switch the heater booster function
on/off
!CAUTION
Never close all the air vents, otherwise
there is a risk of damage to the air-
conditioning system in the rear com-
partment.
Heater booster function*
i
The auxiliary heating automatically
switches to heater booster mode after
the engine is started.
N54.25-2926-31
N54.25-2927-31