130Climate controlAir vents
Adjustable air vents At least one air vent must be open
while the cooling is on.
Adjust the air amount at the vent
outlet by turning the adjuster wheel.
The vent is closed when the adjuster wheel is turned close to the left or
right.
Direct the flow of air by tilting and
swivelling the slats.
9 Warning
Do not attach any objects to the
slats of the air vents. Risk of
damage and injury in case of an
accident.
Fixed air vents
Additional air vents are located
beneath the windscreen and door windows and in the foot wells.
Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Pollen filter The pollen filter cleans dust, soot,
pollen and spores from the air
entering the vehicle through the air
intake.
Climate control131Air conditioning regular
operation
In order to ensure continuously
efficient performance, cooling must
be operated for a few minutes once a month, irrespective of the weather
and time of year. Operation with
cooling is not possible when the
outside temperature is too low.
Service For optimal cooling performance, it is
recommended to annually check the
climate control system, starting
three years after initial vehicle
registration, including:
● functionality and pressure test
● heating functionality
● leakage check
● check of drive belts
● cleaning of condenser and evaporator drainage
● performance check
Notice
Refrigerant R-134a contains
fluorinated greenhouse gases.
136Driving and operatingDeactivation
Deactivate the stop-start system
manually by pressing eco. The
deactivation is indicated when the
LED in the button extinguishes.
Autostop
Vehicles with manual transmission
If the vehicle is at a low speed or at a
standstill, activate an Autostop as
follows:
● Depress the clutch pedal.
● Set the lever in neutral.
● Release the clutch pedal.The engine will be switched off while
the ignition stays on.Vehicles with manual transmission
automated
If the vehicle is at a standstill with the brake pedal depressed, Autostop is
activated automatically.
The engine will be switched off while
the ignition stays on.
The stop-start system will be disabled
on inclines of 15% or more.
Indication
An Autostop is indicated by control
indicator D.
During an Autostop, the heating and
brake performance will be
maintained.
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.
Driving and operating137Otherwise an Autostop will be
inhibited.
Certain settings of the climate control
system may inhibit an Autostop. See
'Climate control' chapter for further
information 3 125.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 133.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
Power saving measures
During an Autostop, several electrical
features, e.g. the rear window
heating, are disabled or switched into
a power saving mode. The fan speed of the climate control system is
reduced to save power.
Restart of the engine by the driverVehicles with manual transmission
Depress the clutch pedal to restart the
engine.When the engine is restarted, control
indicator D in the Driver Information
Centre extinguishes.
If the selector lever is shifted out of
neutral before depressing the clutch
pedal first, control indicator -
illuminates or is shown as a symbol in
the Driver Information Centre.
Control indicator - 3 92.Vehicles with manual transmission
automated
Release the brake pedal or move
selector lever out of D to restart the
engine.
When the engine is restarted, control
indicator D in the Driver Information
Centre extinguishes.
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:
● The stop-start system is manually deactivated.
● The bonnet is opened.
● The driver's seat belt is unfastened and the driver's door
is opened.
● The engine temperature is too low.
● The charging level of the vehicle battery is below a defined level.
● The brake vacuum is not sufficient.
● The vehicle is driven at least at walking speed.
● The climate control system requests an engine start.
● The air conditioning is manually switched on.
If the bonnet is not fully closed, a
warning message is displayed in the
Driver Information Centre.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop
during restart might be noticeable.
260IndexAAccessories and vehicle modifications .......................... 189
Adjustable air vents ...................130
Airbag and belt tensioners ...........90
Airbag deactivation ................48, 91
Airbag label................................... 43 Airbag system .............................. 43
Air conditioning regular operation ................................ 131
Air conditioning system .............. 123
Air intake .................................... 130
Air vents...................................... 130
Antilock brake system ................ 148
Antilock brake system (ABS) .......92
Anti-theft alarm system ................27
Anti-theft locking system .............. 26
Appearance care ........................232
Ashtrays ....................................... 82
Automatic anti-dazzle ..................30
Automatic light control ...............113
Automatic locking ........................24
Automatic transmission .............140
Autostop ............................... 95, 135
B Battery discharge protection ......121
Battery voltage ........................... 104
Belts.............................................. 40
Bicycle rack .................................. 58Bonnet ....................................... 190
Brake and clutch fluid .................236
Brake and clutch system .............92
Brake assist ............................... 149
Brake fluid .................................. 194
Brakes ............................... 148, 194
Breakdown.................................. 230
Bulb replacement ....................... 197
C Capacities .................................. 250
Car Pass ...................................... 21
Catalytic converter .....................140
Central locking system ................22
Centre high-mounted brake light 204
Changing tyre and wheel size ...217
Charging system .......................... 91
Child locks ................................... 25
Child restraint installation locations ................................... 51
Child restraints.............................. 49
Child restraint systems ................49
Cigarette lighter ........................... 82
City mode ................................... 152
Climate control ............................. 15
Climate control systems .............122
Clock ............................................ 79
Code ........................................... 102
Collision damage repair ..............255
Colour-Info-Display .....................100
261Control indicators.......................... 87
Control of the vehicle .................133
Controls ........................................ 75
Convex shape .............................. 28
Coolant and antifreeze ...............236
Corner lighting ............................ 115
Cruise control ...................... 95, 153
Cupholders .................................. 56
Curtain airbag system .................. 48
D Danger, Warnings and Cautions ...4
Daytime running lights ...............115
Declaration of conformity ............253
Diesel fuel system bleeding .......196
Diesel particle filter ...............93, 139
Door open .................................... 95
Doors ............................................ 25
Driver assistance systems ..........153
Driver Information Centre .............96
Driving characteristics and towing tips .............................. 183
Driving hints ................................ 133
E Easy entry..................................... 38
Electric adjustment ......................28
Electrical system......................... 205
Electronic climate control system 125
Electronic driving programmes . ........................................ 142, 147Electronic Stability Control.......... 151
Electronic Stability Control and Traction Control system ............93
Electronic Stability Control off....... 93
End-of-life vehicle recovery .......190
Engine compartment fuse box ...206
Engine coolant ........................... 192
Engine coolant temperature gauge ....................................... 86
Engine data ............................... 243
Engine exhaust .......................... 139
Engine identification ...................239
Engine oil ................... 191, 236, 240
Engine oil pressure ......................94
Entry lighting .............................. 120
Event data recorders ..................257
Exit lighting ................................ 120
Exterior care .............................. 232
Exterior light ................................. 95
Exterior lighting ....................12, 112
Exterior mirrors ............................. 28
F
Fault ................................... 142, 147
First aid ......................................... 71
First aid kit ................................... 71
Fixed air vents ........................... 130
Flex-Fix system ............................ 58
Fog light ....................................... 95
Fog lights ................................... 201Folding mirrors ............................. 29
Following distance indication ......159
Forward collision alert................. 156
Front airbag system .....................46
Front fog lights ........................... 117
Front seats.................................... 36
Front storage ................................ 57
Front turn signal lights ...............201
Fuel............................................. 176
Fuel consumption - CO 2-
Emissions ............................... 182
Fuel for diesel engines ..............176
Fuel for liquid gas operation .......177
Fuel for petrol engines ...............176
Fuel gauge ................................... 84 Fuel selector ................................ 85
Fuses ......................................... 205
G Gauges ......................................... 83
Gear shifting ................................. 92
General information ...................183
Glovebox ..................................... 56
Graphic-Info-Display ...................101
H Halogen headlights ....................197
Hand brake ......................... 148, 149
Hazard warning flashers ............116
Headlight flash ........................... 114
Headlight range adjustment ......114