Mercedes-Benz 2013 CLS Coupe, Owner'S Manual

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Problems with the auxiliary heating/ventilation
Display messages Possible causes/consequences and
M
Solutions
FAIL
The starter battery is not charged sufficiently or the system is
faulty.
X
Charge the starter battery.
X Make another attempt to switch on the auxiliary heating using
the remote control.
X Have the auxiliary heating checked at a qualified specialist
workshop.
$
FAIL
The signal transmission between the transmitter and the vehicle
is faulty.
X
Change your position in relation to the vehicle, moving closer if
necessary.
X
Make another attempt to switch the auxiliary heating on or off
using the remote control.
©
FAIL
There is not enough fuel in the fuel tank, i.e. the fuel tank is not
filled to the reserve fuel level.
X
Refuel at the nearest filling station.
X Make another attempt to switch on the auxiliary heating using
the remote control.
The auxiliary heating is faulty.
X
Have the auxiliary heating checked at a qualified specialist
workshop.
Adjusting the air vents
Important safety notes
G
WARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R
keep the air inlet between the windscreen
and the bonnet free of blockages, such as
ice, snow or leaves.
R
never cover the vents or ventilation grilles
in the vehicle interior.
152
Adjusting the air vents
Climate control