
Instruments and controls1019Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
Airbag system 3 61.
Belt tensioners 3 57.
Airbag deactivation 3 65.
Charging system p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates when the engine is
running
Fault in the emission control system. The permitted emission limits may be exceeded. Seek the assistance of a
workshop immediately.
If Z illuminates in combination with
A , stop vehicle and switch off engine
as soon as possible.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Flashes when the engine is
running
Fault that could lead to catalytic
converter damage. Ease up on the
accelerator until the flashing stops.
Seek the immediate assistance of a
workshop.
Service vehicle soon
j illuminates yellow.
Illuminates briefly when the ignition is
switched on.
The vehicle needs a service.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre 3 106.
Illuminates if cleaning of the diesel particle filter is required and
automatic cleaning does not occur
3 146.

Customer information239Operating data in the vehicleControl units process data for
operation of the vehicle.
This data includes, e.g.: ● vehicle status information (e.g. speed, movement delay, lateral
acceleration, wheel rotation rate,
"seat belts fastened" display)
● ambient conditions (e.g. temperature, rain sensor,
distance sensor)
As a rule such data is transient, not
stored for longer than an operational
cycle, and only processed on board
the vehicle itself. Control units often
include data storage (including the
vehicle key). This is used to allow
information to be documented
temporarily or permanently on vehicle
condition, component stress,
maintenance requirements and
technical events and errors.Depending on technical equipment
level, the data stored is as follows:
● system component operating states (e.g. fill level, tyre
pressure, battery status)
● faults and defects in important system components (e.g. lights,brakes)
● system reactions in special driving situations (e.g. triggering
of an airbag, actuation of the
stability control systems)
● information on events damaging the vehicle
● for electric vehicles the amount of
charge in the high-voltage
battery, estimated range
In special cases (e.g. if the vehicle
has detected a malfunction), it may be
necessary to save data that would
otherwise just be volatile.
When you use services (e.g. repairs,
maintenance), the operating data
saved can be read together with the
vehicle identification number and
used when necessary. Staff working
for the service network ( e.g. garages,
manufacturers) or third parties (e.g.breakdown services) can read the
data from the vehicle. The same
applies to warranty work and quality
assurance measures.
Data is generally read via the OBD
(On-Board Diagnostics) port
prescribed by law in the vehicle. The operating data which is read out,
documents the technical condition of
the vehicle or individual components
and assists with fault diagnosis,
compliance with warranty obligations
and quality improvement. This data,
in particular information on
component stress, technical events,
operator errors and other faults, is
transmitted to the manufacturer
where appropriate, together with the
vehicle identification number. The
manufacturer is also subject to
product liability. The manufacturer
potentially also uses operating data
from vehicles for product recalls. This
data can also be used to check
customer warranty and guarantee
claims.
Fault memories in the vehicle can be
reset by a service company when
carrying out servicing or repairs or at
your request.

242IndexAAbsorptive Glass Mat battery .....187
Accessories and vehicle modifications .......................... 181
Active emergency braking ..105, 167
AdBlue ........................ 103, 147, 228
AdBlue gauge ............................... 95
AdBlue tank ................................ 232
Adjustable air vents ...................133
Airbag and belt tensioners .........100
Airbag deactivation ..............65, 100
Airbag label................................... 61 Airbag system .............................. 61
Air conditioning regular operation ................................ 134
Air conditioning system .............. 121
Air intake .................................... 134
Air suspension ........................... 144
Air suspension system................ 221
Air vents...................................... 133
Antifreeze ................................... 185
Antilock brake system ................ 158
Antilock brake system (ABS) .....102
Anti-theft alarm system ................38
Anti-theft bolts............................. 214
Anti-theft locking system .............. 37
Anti-theft security lock ..................25
Appearance care ........................222
Armrest ........................................ 53
Ashtrays ....................................... 93Automatic light control ...............112
Automatic locking ...................26, 31
Autostop ....................... 19, 139, 140
Auxiliary heater ........................... 127
B Battery .................... 23, 24, 127, 187
Battery discharge protection ......119
Battery, jump starting.................. 218
Belts.............................................. 57 Bonnet ....................................... 182
Bottle holders................................ 77
Brake assist ............................... 160
Brake fluid .......................... 187, 228
Brakes ............................... 158, 187
Brake system ............................. 102
Breakdown.................................. 221
Bulb replacement ....................... 191
Bus Rear seats ................................. 54
C Cabin bulkhead grille ....................83
Capacities .................................. 232
Cargo management system ........80
Car Pass ...................................... 23
Catalytic converter .....................146
Central locking system ................26
Centre high-mounted brake light 197
Changing tyre and wheel size ...210
Charging system ........................ 101

244First aid kit ................................... 84
Fixed air vents ........................... 134
Fog lights .................................... 116
Folding mirrors ............................. 41
Folding seat .................................. 77
Front airbag system .....................64
Front courtesy light .....................117
Front fog lights ...105, 112, 116, 194
Front reading light....................... 118
Front seats.................................... 48
Front storage ................................ 77
Front turn lights .......................... 194
Fuel economy rating (ecoScoring) ............................ 109
Fuel for diesel engines ..............174
Fuel gauge ................................... 95
Fuel tank ..................................... 232
Fuse box ............................. 201, 202
Fuses ......................................... 200
G
Gauges ......................................... 93
Gear shifting ............................... 102
General information ...................177
Glass panel .................................. 46
Glovebox ..................................... 77
Glovebox cooler ......................... 134
Grab handles ................................ 79
Ground clearance .......................144H
Hand brake - see Parking brake. 159
Hazard warning flashers ............115
Headlight flash ........................... 114
Headlight range adjustment ......114
Headlights .................. 112, 113, 191
Headlights when driving abroad 115
Head restraint adjustment .............8
Head restraints ............................ 47
Heated exterior mirrors .................17
Heated mirrors ............................. 41
Heated rear window ...............17, 45
Heating ........................................ 54
Heating and ventilation system . 120
High beam ......................... 105, 113
High beam assist ................105, 113
Hill start assist ........................... 160
Horn ....................................... 16, 88
Hub cap hook ............................. 204
I
Identification plate .....................231
Idle speed control .......................140
Ignition switch positions .............138
Immobiliser .................................. 40
Indicators ...................................... 93
Info Display ................................. 107
Information displays.................... 106
Infotainment system ...................107
Initial drive information.................... 6Instrument cluster ........................93
Instrument panel fuse box .........201
Instrument panel illumination .....199
Instrument panel overview ........... 11
Instrument panel storage ..............76
Interior care ............................... 224
Interior lighting ............................ 117
Interior lights ...................... 117, 198
Interior mirrors .............................. 42
Interruption of power supply ......158
Introduction .................................... 3
ISOFIX .......................................... 67
J Jack ............................................ 204
Journey record............................ 109
Jump starting ............................. 218
K Keys ............................................. 22
Keys, locks ................................... 22
L
Lane departure warning .....103, 173
Lashing eyes ............................... 79
Lashing straps .............................. 79
Laying up the vehicle ..................187
Light covers, misted.................... 116
Lighting ....................................... 112
Lighting features .........................119
Light switch ................................ 112

246Reversing lights .........................116
Ride control systems ..........160, 163
Ride height ................................. 144
Roof .............................................. 46
Glass panel ............................... 46
Roof load ...................................... 85
Roof rack ..................................... 85
S Safety belts ................................... 57
Safety net .................................... 83
Seat adjustment ....................... 7, 49
Seat belt ........................................ 8
Seat belt reminder .....................100
Seat belts ..................................... 57
Seat heating ................................. 54
Seat position ................................ 48
Selective catalytic reduction .......147
Selector lever ............................. 155
Service ............................... 134, 226
Service display ....................96, 101
Service information ....................226
Service vehicle soon .................. 101
Side airbag system ......................65
Sidelights .................................... 112
Side turn lights ........................... 196
Side windows................................ 44
Sliding door .................................. 32
Sliding side door ........................... 32
Spare wheel ............................... 216Speed limiter ................93, 106, 165
Speedometer ............................... 93
Starting and operating ................138
Starting off ................................... 19
Starting the engine .......19, 139, 155
Steering ...................................... 137
Steering column controls ..............88
Steering wheel adjustment ....10, 88
Steering wheel controls ...............88
Stop engine ................................ 102
Stop-start system.......... 19, 105, 140
Storage ......................................... 76
Storage compartments .................76
Storage net ............................. 77, 78
Sun visors .................................... 45
Suspension height ......................144
Suspension seat ........................... 49
Swivelling shelf ............................. 77
Symbols ......................................... 4
T
Tachograph ........................ 106, 111
Tachometer ................................. 94
Tail lights ................................... 195
Three-point seat belt .................... 58 Tools .......................................... 204
Top-Tether .................................... 67
Touchscreen ............................... 107
Tow bar....................................... 177
Towing ........................................ 177Towing another vehicle .............222
Towing a trailer ........................... 177
Towing equipment .....................178
Towing eye ................................. 221
Towing the vehicle .....................221
Traction Control system ............. 160
Trailer coupling ........................... 177
Trailer stability assist .................178
Trailer towing ............................. 177
Transmission ............................... 18
Transmission display ...........97, 154
Tread depth ............................... 209
Trip computer ............................ 109
Trip odometer .............................. 94
Turbo engine warm-up ...............139
Turn lights .......................... 100, 115
Tyre chains ................................ 210
Tyre changing ............................. 214
Tyre designations ......................206
Tyre pressure ............................ 206
Tyre pressure monitoring system ............................. 104, 207
Tyre pressures ........................... 233
Tyre repair kit ............................. 211
Tyres .......................................... 205
Tyres and wheel size, changing. 210
U Ultrasonic parking assist............. 169
Underseat storage .......................78