
Airbag
Introduction .................................... .51
PASSENGER AIR BAG indicator
lamps ............................................... 46
Airbags
Display message ............................3 30
Front airbag (driver, front
passenger) ....................................... 52
Important safety guidelines ............. 51
Kneebag .......................................... .53
Sidebag ............................................ 53
Triggering ......................................... 60
Windowbag ...................................... 53
AIRMATIC
Display message ............................ 339
Function/note s............................. 238
AIRPANEL (cleaning instructions) .... 404
Alarm
ATA (Anti-Theft Alarm system) ......... 87
Switching off (ATA) .......................... 87
Switching the function on/off
(ATA) ................................................ 87
Alarm system
see ATA (Anti-Theft Alarm system)
Anti-glare film .................................... 391
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Aquaplaning ....................................... 218
Armrest
Stowage compartment .................. 372
Ashtray ............................................... 383
Assistance display (on-board com-
puter) .................................................. 308
Assistance menu (on-board com-
puter) .................................................. 309
ASSYST PLUS
Displaying a service message ........ 399
Hiding a service message .............. 399
Notes ............................................. 399
Resetting the service interval dis-
play ................................................ 399
Service message ............................ 399
Special service requirements ......... 400
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 87 Function ........................................... 87
Switching off the alarm .................... 87
ATTENTION ASSIST
Activating/deactivating ................. 311
Display message ............................ 339
Function/note s............................. 258
Authorised workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 334
see Lights
Automatic engine start (ECO start/
stop function) .................................... 191
Automatic engine switch-off (ECO
start/stop function) .......................... 190
Automatic front-passenger front
airbag deactivation
Display message ............................ 330
Automatic front-passenger front
airbag deactivation system
Operation ......................................... 54
Problems ......................................... 59
System self-test ............................... 57
Automatic headlamp mode .............. 135
Automatic transmission
Accelerator pedal position ............. 200
AGILITY SELECT switch .................. 201
Changing gear ............................... 200
DIRECT SELECT lever ..................... 197
Display message ............................ 347
Drive program display .................... 199
Drive programs .............................. 201
Driving tips .................................... 200
Emergency running mode .............. 204
Engaging drive position .................. 199
Engaging neutral ............................ 198
Engaging park position automati-
cally ............................................... 198
Engaging reverse gear ................... 198
Engaging the park position ............ 197
Kickdown ....................................... 200
Manual shifting .............................. 202
Overview ........................................ 197
Problem (fault) ............................... 204
Pulling away ................................... 189
Starting the engine ........................ 187
Steering wheel gearshift paddle s... 202
Trailer towing ................................. 200 Index
5

Brightness control (instrument
cluster lighting)
................................... 32
Buttons on the steering column ...... 295C
Calling up a fault see Display messages
Camera
see 360° camera
Car
see Vehicle
Car key
see Key
Car wash (care) ................................. 400
Care
360° camera ................................. 405
AIRPANEL ...................................... 404
Automatic car wash ....................... 400
Carpets .......................................... 408
Display ........................................... 406
Exhaust pipe .................................. 406
Exterior lighting ............................. 404
Gear or selector lever .................... 407
High-pressure cleaner .................... 402
Interior ........................................... 406
Matt paintwork .............................. 403
Note s............................................. 400
Paint .............................................. 402
Plastic trim .................................... 407
Reversing camera .......................... 405
Roof lining ...................................... 408
Seat belt ........................................ 408
Seat cove r..................................... 407
Sensors ......................................... 405
Steering wheel ............................... 407
Trim pieces .................................... 407
Washing by hand ........................... 402
Wheels ........................................... 403
Windows ........................................ 403
Wiper blades .................................. 404
Wooden trim .................................. 407
CD player/CD changer(on-board
computer) .......................................... 305
Central locking
Locking/unlocking (key) .................. 91
Centre console
Lower section .................................. 38 Upper section .................................. 37
Changing bulbs
Dipped-beam headlamp s............... 143
Main-beam headlamp s................... 143
Reversing lamps ............................ 144
Turn signals (front) ......................... 144
Turn signals (rear) .......................... 144
Charge status of high-voltage bat-
tery ..................................................... 276
Child seat
Forward-facing restraint system ...... 68
ISOFIX .............................................. 65
On the front-passenger sea t............ 66
Rearward-facing restraint system .... 67
Recommendations ........................... 72
Suitable positions ............................ 68
Top Tether ....................................... 65
Child-proof locks
Important safety notes .................... 74
Rear doors ....................................... 75
Children
In the vehicl e................................... 63
Restraint systems ............................ 64
Cigarette lighter ................................ 384
Cleaning
Mirror turn signal ........................... 404
Trailer tow hitch ............................. 406
Climate control
Auxiliary heating/ventilation .......... 176
Controlling automaticall y............... 162
Convenience opening/closing
(air-recirculation mode) ................. 168
Cooling with air dehumidification .. 161
Demisting the windows .................. 166
Demisting the windscreen ............. 166
ECO start/stop function ................ 160
ECO start/stop function
(THERMATIC 1-zone) ............. 153, 154
ECO start/stop function
(THERMATIC 2-zone) ............. 156, 157
Hybrid vehicle (THERMOTRONIC ).. 160
Hybrid vehicles (THERMATIC) ........ 156
Important safety notes .................. 152
Indicator lamp ................................ 162
Information about using
THERMATIC automatic climate
control (1 ‑zone) ............................. 153 Index
7

Removing ........................................
.93
Emergency release
Driver's door .................................... 99
Emergency spare wheel
General notes ................................ 463
Important safety notes .................. 463
Inflating the collapsible spare
wheel ............................................ .464
Technical data ............................... 465
Emergency unlocking
Tailgate .......................................... 106
Vehicle ............................................. 99
Energy flow display ........................... 276
Engine
Display message ............................ 335
ECO start/stop function ................ 190
Engine number ............................... 470
Jump-starting ................................. 422
Running irregularl y......................... 193
Starting problems .......................... 193
Starting the engine with the key .... 188
Starting with the Start/Stop but-
ton ................................................. 188
Stopping ........................................ 212
Tow-starting (vehicle) ..................... 428
Warning lamp (engine diagnos-
tics) ............................................... 362
Engine electronics
Notes ............................................. 468
Problem (fault) ............................... 193
Engine oil
Additives ........................................ 476
Checking the oil level ..................... 396
Checking the oil level using the
dipstick .......................................... 396
Display message ............................ 337
Filling capacity ............................... 475
Notes about oil grade s................... 475
Notes on oil level/consumption .... 396
Topping up ..................................... 396
Viscosity ........................................ 476
Environmental protection
Returning an end-of-life vehicle ....... 24
ESP® (Electronic Stability Pro-
gram)
Activating/deactivating ................... 82
Characteristics ................................. 82
Deactivating/activating ................. 309 Display message ............................ 317
ETS/4ETS ........................................ 81
Function/note
s................................ 81
General notes .................................. 81
Important safety guidelines ............. 82
Trailer stabilisation .......................... 83
Warning lamp ................................. 359
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 81
Exhaust
see Exhaust pipe
Exhaust pipe
Cleaning ......................................... 406
Exhaustive discharging (high-volt-
age battery) ....................................... 419
Extended overrun mode ................... 283
Exterior lighting
Cleaning ......................................... 404
see Lights
Exterior mirrors
Adjusting ....................................... 128
Anti-dazzle mode (automatic) ........ 129
Folding in/out (automatically )....... 128
Folding in/out (electrically) ........... 128
Out of position (troubleshooting) ... 129
Parking position ............................. 129
Resetting ....................................... 128
Storing settings (memory func-
tion) ............................................... 131 F
Fault message see Display messages
Features ............................................. 381
Filler cap
see Fuel filler flap
Fire extinguisher ............................... 411
First-aid kit ......................................... 410
Fitting a wheel
Fitting a wheel ............................... 446
Lowering the vehicle ...................... 447
Preparing the vehicle ..................... 442
Raising the vehicle ......................... 443
Removing a whee l.......................... 446
Securing the vehicle against roll-
ing away ........................................ 443 Index
11

Headlamp
Cleaning system (notes) ............... .477
Headlamp flasher .............................. 137
Headlamps
Misting up ...................................... 140
see Automatic headlamp mode
Heating
see Climate control
High-pressure cleaners .................... 402
High-voltage battery
Charge leve l................................... 276
Charging ........................................ 420
Charging (on-board computer) ....... 277
General notes .................................. 43
Vehicle fire ....................................... 43
Hill start assist .................................. 189
HOLD function
Activating ....................................... 237
Deactivating ................................... 237
Display message ............................ 342
Function/note s............................. 236
Horn ...................................................... 32
Hybrid drive
Displaying the total range .............. 279
Generated electrical energy ........... 279
Hybrid operation
AGILITY SELECT switch .................. 280
Automatic engine start (ECO
Start/Stop function) ...................... 283
Automatic engine switch-off (ECO
start/stop function) ....................... 283
Driving tips .................................... 281
ECO start/stop function ................ 282
Energy flow display ........................ 276
Extended overrun mod e................. 283
Fuel consumption .......................... 279
General notes ................................ 272
Important safety notes .................. 273
Manual gearshifting ....................... 281
Noiseless start ............................... 280
Operating (on-board computer) ..... 276
Overrun mode ................................ 283
Overview (instrument cluster) ........ 275
Power display (electric motor) ....... 275
Problems ....................................... 285
Pulling away ................................... 280
RBS (Recuperative Brake Sys-
tem) ............................................... 273 Resetting values (Audio 20) ........... 279
Resetting values (COMAND
Online) ........................................... 279
Starting the engine ........................ 279
Hybrid system
Automatic deactivation .................... 42
Danger of electric shock .................. 42
Display message ............................ 338
High-voltage battery ........................ 43
Important safety notes .................... 42
Manual deactivation ......................... 43
Opening the bonnet ......................... 44
Overview ........................................ 274
Problems (malfunctions) ................ 285
READY indicator ............................. 279
Warning lamp ................................. 364
Hybrid vehicle
Climate control (THERMATIC) ........ 157
Climate control
(THERMOTRONIC) .......................... 160
Hybrid vehicles
Important safety notes .................... 42 I
Ignition lock see Key positions
Immobiliser .......................................... 86
Indicator and warning lamp
Restraint system ............................ 361
Indicator and warning lamps
COLLISION PREVENTION ASSIST
PLUS .............................................. 365
Coolant .......................................... 362
Engine diagnostics ......................... 362
Indicator lamps
Display message ............................ 332
see Warning and indicator lamps
Indicators
see Turn signals
Insect protection on the radiator .... 396
Instrument cluster
Overview .......................................... 34
Power display ................................ 275
Warning and indicator lamps ........... 35
Instrument cluster lighting .............. 294
Intelligent Light System
Activating/deactivating ................. 313 Index
13

G
WARNING
If the housing of the high-voltage battery has
been damaged, electrolyte and gases may
leak out. These are poisonous and caustic.
There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Immediately rinse electrolyte splashes off
with water and seek medical attention
straight away.
! Exhaustive discharge caused by the vehi-
cle standing idle for lengthy periods can
damage the high-voltage battery.
If the vehicle is idle for lengthy periods, run
it for a few minutes once every six weeks to
charge up the high-voltage battery.
During the charging process, switch off all
electrical consumers, e.g. the automatic
climate control or the seat heating.
Information on charging the high-voltage bat-
tery (Y page 420).
Engine compartment Before opening the bonnet:
X Apply the electric parking brake.
X Shift the automatic transmission to park
position P.
X Switch the ignition off.
X Remove the key from the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS ‑GO
X Remove the Start/Stop button from the
ignition lock.
X Observe the warning notes on the risk of
electric shock (Y page 42).
X Observe the warning notes about the bon-
net (Y page 395). RBS driving safety system (Recupera-
tive Brake System)
RBS supports you when braking with an elec-
tronically-controlled brake boost mode and enables the recovery of kinetic energy (recu-
peration).
For further information on the RBS system
(Y page 273). Panic alarm
X
To activate: press!button :for
approximately one second.
An alarm sounds and the exterior lighting
flashes.
X To deactivate: press!button :
again.
or
X Insert the key into the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS ‑GO
X Press the Start/Stop button.
The key must be in the vehicle.
The panic alarm function is only available in
certain countries. Occupant safety
Introduction to the restraint system
The restraint system reduces the risk of vehi- cle occupants coming into contact with parts
of the vehicle's interior in the event of an
accident. The restraint system can also
reduce the forces to which vehicle occupants
are subjected during an accident. 44
Occupant safetySafety

Always observe the information on suitable
positioning of the child restraint system
(Y page 68) in addition to the child restraint
system manufacturer's installation and oper- ating instructions.
Forward-facing child restraint system If it is absolutely necessary to fit a forward-
facing child restraint system to the front-
passenger seat, always move the front-
passenger seat as far back as possible. Fully
retract the seat cushion length. The entire
base of the child restraint system must
always rest on the seat cushion of the front-
passenger seat. The backrest of the child
restraint system must, as far as possible, lie
flat against the backrest of the front-
passenger seat. The child restraint system
must not touch the roof or be put under strain
by the head restraint. Adjust the angle of the seat backrest and the head restraint position
accordingly. Always make sure that the shoul- der belt strap is correctly routed from the
vehicle belt outlet to the shoulder belt guide
on the child restraint system. The shoulder
belt strap must be routed forwards and down-
wards from the vehicle belt outlet. If neces-
sary, adjust the vehicle belt outlet and the
front-passenger seat accordingly.
Always observe the information on suitable
positioning of the child restraint system
(Y page 68) in addition to the child restraint
system manufacturer's installation and oper-
ating instructions. Suitable positioning of the child
restraint system
Introduction Only child restraint systems which are
approved in accordance with the ECE stand-
ard ECE R44 are permitted for use in the vehi- cle.
For certain child restraint systems in weight
categories II or III, this can mean that the area
of use is restricted. The maximum size setting of the child restraint system is not possible
due to possible contact with the roof.
"Universal" category child restraint systems
can be recognised by their orange approval
label and the text "Universal".
Example: approval label on the child restraint
system
"Universal" category child restraint systems
can be used on the seats indicated with U, UF
or IUF according to the tables "Suitability of
the seats for attaching a belted child restraint
system" or "Suitability of the seats for attach-
ing an ISOFIX child restraint system".
Semi-universal child restraint systems are
indicated by the text "semi-universal" on the
approval label. These can be used if the vehi-
cle and the seat are listed in the child restraint system manufacturer's vehicle model list. For
more information, contact the child restraint
system manufacturer or visit their website.
Child restraint system on the front-
passenger seat – if it is absolutely necessary
to secure a child in a child restraint system on
the front-passenger seat:
X Always pay attention to the instructions
under "Child restraint system on the front-
passenger seat" (Y page 66).
There you will find instructions on how to
correctly route the shoulder belt strap from the vehicle belt outlet to the shoulder belt
guide on the child restraint system
(Y page 68).
X Move the front-passenger seat as far back
as possible and fully retract the seat cush-
ion length. 68
Children in the vehicleSafety

Suitability of the seats for attaching a belt-secured child restraint system
If you use a baby car seat of category 0 or 0+ or a rearward-facing child restraint system of
category I on a rear seat, you must adjust the driver's or front-passenger seat so that the seat
does not touch the child restraint system.
If you use a category I, forward-facing child restraint system, you should remove the head
restraint of the respective seat (Y page 122), if possible. The backrest of the child restraint
system must, as far as possible, lie flat against the backrest of the seat.
Always observe the notes in the "Child restraint system" section (Y page 64) and the child
restraint system manufacturer's installation instructions.
When you remove the child restraint system you must replace the head restraints again
immediately (Y page 121). All vehicle occupants must adjust their head restraints correctly
before beginning the journey.
Legend for the table:
XS eat which is unsuitable for children in this weight category.
US uitable for child restraint systems in the "Universal" category that are approved for use
in this weight category.
UF Suitable for forward-facing child restraint systems that belong to the "Universal" category and are approved for use in this weight category.
LS uitable for child restraint systems as recommended; see the table "Recommended child
restraint systems" (Y page 72). Suitable for semi-universal child restraint systems if the
vehicle and the seat are listed in the child restraint system manufacturer's vehicle model
list. Weight category Front-passenger seat Rear seat
Front-
passenger
front airbag
activated Front-
passenger
front airbag
deactiva-
ted 1 Left, right
Centre
2 0
up to 10 kg X U, L U, L U, L
0+
up to 13 kg X U, L U, L U, L
I
between 9 kg and
18 kg UF, L U, L U, L U, L
II
between 15 kg and
25 kg U, L U, L U, L X
III
between 22 kg and
36 kg U, L U, L U, L X
1
The vehicle is equipped with an automatic front-passenger front airbag deactivation system. The PASSENGER
AIR BAG OFF indicator lamp must be lit.
2 Child restraint systems with a supporting bracket are not suitable for this seat. 70
Children in the vehicleSafety

Suitability of the seats for attaching ISOFIX child restraint systems
If you use a baby car seat of category 0 or 0+ or a rearward-facing child restraint system of
category I on a rear seat, you must adjust the driver's or front-passenger seat so that the seat
does not touch the child restraint system.
If you use a category I, forward-facing child restraint system, you should remove the head
restraint of the respective seat (Y page 122), if possible. The backrest of the child restraint
system must, as far as possible, lie flat against the backrest of the seat.
Always observe the notes in the "Child restraint system" section (Y page 64) and the child
restraint system manufacturer's installation instructions.
When you remove the child restraint system you must replace the head restraints again
immediately (Y page 121). All vehicle occupants must adjust their head restraints correctly
before beginning the journey.
Legend for the table:
XI SOFIX position that is not suitable for ISOFIX child restraint systems in this weight cat-
egory and/or size category.
IUF Suitable for forward-facing ISOFIX child seat securing systems that belong to the "Uni- versal" category which are approved for use in this weight category.
IL Suitable for ISOFIX child restraint systems as recommended; see the following table of "Recommended child restraint systems" (Y page 72).
The manufacturer will also recommend a suitable ISOFIX child restraint system. For this,
your vehicle and the seat must be listed in the child restraint system manufacturer's
model list. For more information, contact the child restraint system manufacturer or visit
their website. Weight category Size category Equipment Rear seat,
left/right
Carry-cot
F ISO/L1 X
G ISO/L2 X
0
up to 10 kg up to approx.
6 months E ISO/R1 IL
0+
up to 13 kg up to approx.
15 months E ISO/R1 IL
D ISO/R2 IL
C ISO/R3
IL
3 I
9 to 18 kg approx. 9 months to
4 years D ISO/R2 IL
C ISO/R3
IL
3 B ISO/F2 IUF
3
If you are using a child restraint system of size category C (ISO/R3), move the front seat to the highest position
and move the backrest to an upright position. Make sure that the front seat backrest does not rest against the
child restraint system. Children in the vehicle
71Safety Z