If the windows fog over, also reel on the cool‐
ing function or press the AUTO button.
Switching the system on/off Switch off Turn wheel for air quantity to the
left until the control switches off.
Switching on
Set any air volume.
Microfilter/activated-charcoal filter In external and recirculated air mode the mi‐
crofilter/activated charcoal filter filters dust,
pollen, and gaseous pollutants out of the air.
This filter should be replaced during scheduled
maintenance, refer to page 193, of your vehi‐
cle.
Ventilation▷Turn knob for continuous opening and clos‐
ing of the vents.▷Swivel the vents to alter the direction of the
vent flow, arrow.
Adjusting the ventilation
▷Ventilation for cooling:Direct vent in your direction when vehicle's
interior is too hot.▷Draft-free ventilation:
Adjust the vent to let the air flow past you.
Parked-car ventilation
The concept
The parked-car ventilation ventilates the vehi‐
cle interior and lowers its temperature, if needed.
The system can be switched on and off at any
external temperature, either directly or by us‐
ing two preset reel-on times. It remains
switched on for 30 minutes.
Open the vents to allow air to flow out.
Switching on/off directly
1."Settings"2."Climate"3."Activate comf. ventilation"
The symbol on the automatic climate con‐
trol flashes if the system is switched on.
Preselecting the reel-on time
1."Settings"2."Climate"3."Timer 1:" or "Timer 2:"4.Set the desired time.
Activating the reel-on time
1."Settings"2."Climate"3."Activate timer 1" or "Activate timer 2"
The symbol on the automatic climate con‐
trol lights up when the reel-on time is acti‐
vated.
The symbol on the automatic climate con‐
trol flashes when the system has been switched
on.
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The defective wheel cannot be stored in the
compact wheel bracket because of its size.3.Check tire inflation pressure at the next op‐
portunity and correct as needed.4.Reinitialize the Flat Tire Monitor, refer to
page 100.
Reinitialize the Tire Pressure Monitor, refer
to page 97.5.Replace the damaged tires as soon as pos‐
sible.
Driving with the compact wheel
Watch the speed when driving with the
emergency wheel
Drive conservatively and do not exceed a speed
of 50 mph/80 km/h; otherwise, changed driving
characteristics such as reduced lane stability
while braking, extended braking distance and
changed self-steering properties in the limit
area. ◀
Mount one emergency wheel only
Only a single emergency wheel may be
mounted. Reinstall wheels and tires of the orig‐
inal size as quickly as possible; otherwise, there
is a safety risk. ◀
Vehicle battery Maintenance
The battery is maintenance-free, i.e., the elec‐
trolyte will last for the life of the battery.
Your service center will be glad to advise you
on questions regarding the battery.
Battery replacement Use approved vehicle batteries only
Only use vehicle batteries that have been
approved for your vehicle by the manufacturer;
otherwise, the vehicle could be damaged and
systems or functions may not be fully availa‐
ble. ◀
After a battery replacement, have the battery
registered on the vehicle by your service center
to ensure that all comfort features are fully
available and that any Check Control messages
are no longer displayed.
Charging the battery
Note Do not connect charging devices to the
12 volt socket in the vehicle
Do not connect battery chargers to the factory-
installed 12 volt sockets in the vehicle as this
may damage the vehicle battery due to an in‐
creased power consumption. ◀
General information
Make sure that the battery is always sufficiently
charged to guarantee that the battery remains
usable for its full service life.
The battery may need to be charged in the fol‐
lowing cases:▷When making frequent short-distance
drives.▷If the vehicle is not used for prolonged peri‐
ods, longer than a month.▷Steptronic transmission: when parked for
long periods of time in selector lever posi‐
tion D, R or N.
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 208, in the
engine compartment with the engine off.
Power failure
After a temporary power loss, some equipment
needs to be reset.
Individual settings need to be reprogrammed:
▷Time: update.Seite 205Replacing componentsMOBILITY205
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