Page 55 of 321

Seats, restraints53
Safety function
If the driver's seat encounters resistance during movement, the
recall may stop. After removing the
obstruction, press and hold the
appropriate power seat position
button for the memory item for
two seconds. Try recalling the
memory position again. If the recall
does not operate, consult a
workshop.
Overload
If the seat setting is electrically overloaded, the power supply is
automatically cut-off for a short time.
Note
After an accident in which airbags
have been deployed, the memorised
settings for each position button will
be deactivated.Armrest
Push button and fold armrest
upwards. Under the armrest there is
a storage compartment.
Auxiliary devices, see Infotainment
system manual.
Heating
Adjust heating to the desired setting
by pressing button ß for the
respective seat one or more times.
The control indicator in the button
indicates the setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
Seat heating is operational when engine is running and during an
Autostop.
Stop-start system 3 153.
Page 135 of 321
Lighting133
■ Auxiliary heater
■ Heated rear window and mirrors
■ Heated seats
■ Fan
In the second stage a message which confirms the activation of the vehicle
battery discharge protection will be
displayed in the Driver Information
Centre.
Switching off electric lights To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.
Page 147 of 321
Climate control145
Select the relevant settings in
Settings , I Vehicle in the Colour-Info-
Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
Auxiliary heater
Air heater Quickheat is an electric auxiliary air
heater which automatically warms up
the passenger compartment more
quickly.Air vents
Adjustable air vents Front air vents
To open the vent, turn the adjuster
wheel to B. Adjust the air amount at the
vent outlet by turning the adjuster
wheel.
Direct the flow of air by tilting and swivelling the slats.
To close the vent, turn the adjuster
wheel to 7.
Page 156 of 321

154Driving and operatingCaution
The steering assist can be
reduced during an Autostop.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
■ The stop-start system is not manually deactivated
■ the bonnet is fully closed
■ the driver's door is closed or the driver's seat belt is fastened
■ the vehicle battery is sufficiently charged and in good condition
■ the engine is warmed up
■ the engine coolant temperature is not too high
■ the engine exhaust temperature is not too high, e.g. after driving with
high engine load
■ the ambient temperature is above -5° C
■ the climate control system allows an Autostop
■ the brake vacuum is sufficient
■ the self-cleaning function of the diesel particle filter is not active
■ the vehicle was driven at least at walking speed since the last
Autostop
Otherwise an Autostop will be
inhibited.
Certain settings of the climate control
system may inhibit an Autostop. See
Climate control chapter for more
details 3 134.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 149.
Vehicle battery discharge protection
To ensure reliable engine restarts, several battery discharge protection
features are implemented as part of
the stop-start system.
Power saving measures
During an Autostop, several electrical
features such as auxiliary electric
heater or rear window heating are
disabled or switched to a powersaving mode. The fan speed of the
climate control system is reduced to
save power.
Restart of the engine by the
driver Depress the clutch pedal to restart the
engine.
The engine start is indicated by the
needle at the idle speed position in
the tachometer.
If the selector lever is shifted out of
neutral before depressing the clutch
first, control indicator - illuminates
or is shown as a symbol in the Driver
Information Centre.
Control indicator - 3 102.
Restart of the engine by the
stop-start system
The selector lever must be in neutral
to enable an automatic restart.
If one of the following conditions
occurs during an Autostop, the
engine will be restarted automatically
by the stop-start system:
Page 238 of 321
236Vehicle care
No.Circuit62–63Rear window sensor64Adaptive forward lighting65Auxiliary pump (only on vehicleswith stop-start system)66Rear window washer system67Fuel system control module68–69Vehicle battery sensor70Rain sensor71Vehicle battery sensor
After changing of defective fuses
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunctions may occur.
Instrument panel fuse box
In left-hand drive vehicles, the fuse
box is behind the storage
compartment in the instrument panel.
Open compartment, compress the
locking tabs, fold compartment down and remove.
In right-hand drive vehicles, the fuse
box is located behind a cover in the
glovebox. Open the glovebox and
remove the cover.
Page 316 of 321

314IndexAAccessories and vehicle modifications .......................... 213
Active Emergency Braking .........185
Active head restraints ...................46
Adaptive cruise control .......106, 173
Adaptive forward lighting ...106, 125
Adjustable air vents ...................145
Airbag and belt tensioners .........101
Airbag deactivation ..............60, 101
Airbag system .............................. 58
Air conditioning regular operation ................................ 147
Air conditioning system .............. 134
Air intake .................................... 146
Air vents...................................... 145
All-wheel drive ........................... 163
Antilock brake system ................ 163
Antilock brake system (ABS) .....103
Anti-theft alarm system ................34
Anti-theft locking system .............. 33
Appearance care ........................257
Apply footbrake .......................... 105
Armrest ................................... 53, 54
Armrest storage ........................... 68
Ashtrays ....................................... 90 Automatic anti-dazzle ..................39
Automatic climate control system .................................... 136Automatic dimming ......................38
Automatic light control ...............123
Automatic locking ........................27
Automatic transmission .............157
Autostop ..................................... 105
Auxiliary heater ........................... 145
B Battery discharge protection ......132
Battery voltage ........................... 118
Belts.............................................. 54
Bonnet ....................................... 215
Brake and clutch fluid .................262
Brake and clutch system ...........102
Brake assist ............................... 165
Brake fluid .................................. 218
Brakes ............................... 163, 218
Breakdown.................................. 254
Bulb replacement ....................... 222
C Capacities .................................. 288
Cargo management system ........73
Car Pass ...................................... 20
Catalytic converter .....................157
Central locking system ................23
Centre console lighting ..............131
Changing tyre and wheel size ...243
Charging system ........................ 101
Child locks ................................... 28