
Air-conditioning sy
stem
see Climate control
Air-recirculation mode ............................14 2
Air-water duct .......................................... 295
Ke eping free ........................................2 95
Airbag ........................................................ .42
Ac tivation .............................................. 36
Fr ont airbag (driver, front passenger) ....42
Head airbag ........................................... 42
Ins tallation locations ............................ .42
Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................43
Re duced pr otection ...............................44
Side airbag ............................................ 42
AI RC AP
Ac tivating .............................................. 85
Deactivating .......................................... 85
Ai rflow
Setting ................................................ .139
AIRSCARF Adjusting the outlets ........................... 14 8
Switching on/off ................................. 107Alarm sy
stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 31
Android Auto
see Smartphone integration
Animals Pets in theve hicle ................................. 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door lock ...............................74
Immobiliser ........................................... 92
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) Apple CarPlay
®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 288
Battery disconnection pe riods .............2 89
Displ aying the service due date ........... 288
Fu nction/no tes ................................... 288
Re gular maintenance work .................. 288
Special service requ irements .............. 288
ATA (anti-theft ala rmsystem) .................. 93
Deactivating the alarm .......................... 93
Fu nction ................................................ 93
Fu nction of interior pr otection ............... 94
Priming/deactivating interior pr otec‐
tion ........................................................ 95
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 94
To w- aw ay protection function ................93
AT TENTION ASSI ST.......................... 22 4, 226
Fu nction .............................................. 224
Setting ................................................. 226
Sy stem limitations ...............................2 24 Index
431

Ty
re press. monitor inoperative No
wheel sensors .................................... .405
Ty re pressure Check tyres ...................408
Ty re(s) ove rheated ...............................4 07
Wi thout changing gear, consult work‐
shop ....................................................3 79
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................74
Locking (emergency key) ...................... .78
Opening (from the inside) ......................75
Po we r closing function .......................... 78
Un locking (emer gency key) .................... 78
Un locking (from the inside) ...................75
Door cont rol panel .................................... .14
Draught stop
Care .................................................... 300 Dr
aw bar
see Tow- bar sy stem
Drive Away Assist .................................... 223
Drive Away Assist
see Pr otection against collision
Drive position Enga ging ..............................................1 66
Drive prog ram display ............................. 16 3
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Symmetrical low beam ........................ 12 2
Driving saf ety sy stem ............................ .180
ABS (Anti-lock Braking Sy stem) ........... 182
Ac tive Brake Assi st.............................. 186
Ad aptive brake lights .......................... .190
BA S (Brake Assi stSystem) .................. 182
Cameras .............................................. 181
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 185
ESP ®
Crosswind Assi st........................ 185ESP
®
trailer stabilisation .................... .185
Overview ............................................. 182
Ra dar and ultrasonic sensors .............. 181
Re sponsibility ...................................... 180
ST EER CONTROL ................................. 185
Driving sy stem
DY NA MIC BODY CONTROL .................. 205
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera Index
441

see
Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical low
beam) .................................................. 12 2
Gene ral driving tips ............................ .156
Ru nning-in no tes ..................................1 54
Dr ow siness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis ................................................ 205
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT .................................... 16 2
Con figuring drive program I ................. 16 3
Displ aying engine data ........................ 16 4
Displ aying vehicle data ........................ 16 4
Drive program display .......................... 16 3
Drive programs .................................... 16 2
Fu nction .............................................. 16 2
Operating (DYNAMIC SELECT switch) .............................................................1 63
Selecting the drive prog ram ............... .163 E
E10 ............................................................ 347
Easy entry feature
Fu nction/no tes .................................... 11 0
Setting .................................................. 111
Easy exitfeature
Fu nction/no tes .................................... 11 0
Setting .................................................. 111
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes ................................... 185
ECO Assist Displaying ............................................ 16 2
Fu nction/no tes .................................... 161
ECO display Function .............................................. 16 0
ECO start/s top function ......................... 15 8
Au tomatic engine start ........................ 15 8
Au tomatic engine stop .........................1 58
Operation ............................................ 15 8
Switching off/on ................................. 16 0
Electric pa rking brake ............................ .177
App lying automatically ........................ .177 App
lying or releasing manually ............ 17 9
Emergency braking .............................. 17 9
Re leasing automatically ...................... .178
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity ......................24
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Fire extinguisher ................................. .305
Fir st-aid kit (so ftsided) ....................... 305
Overview of the help functions .............. 16
Re moving thewa rning triangle ............ 304
Saf etyve st .......................................... 304
Setting up thewa rning triangle .......... .305
Emer gency braking ................................. 17 9
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency engine start ......................... 322
Emer gency key
Inserting/removing ............................... 72
Locking a door .......................................78 442
Index

Un
locking a door .................................. .78
Emer gency operation mode
St arting theve hicle ............................. 15 2
Emer gency spare wheel .........................3 40
No tes .................................................. 340
Engine ECO start/ stop function ......................1 58
Engine number ................................... .343
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
St arting assis tance .............................. 316
Switching off (s tart/s top button) .........1 74
Engine bonnet Function (active bonnet) ...................... 289
Opening/closing ................................. 290
Engine data Displaying ............................................ 16 4
Engine electronics Notes ................................................... 341
Engine number ........................................3 43Engine oil
................................................. 292
Ad ditives .............................................. 351
Capacity .............................................. 352
Checking the oil le vel using the on-
board computer ................................... 292
MB-Fr eigabe or MB-Appr oval .............. .352
Quality ................................................. 352
To pping up ...........................................2 92
EQ Boost Operating saf ety .................................... 22
Quali fied specialist workshop ................29
ERA-GLONASS test mode
St arting/ending .................................. 279
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 185
Tr ailer stabilisation .............................. 185
ESP ®
(Electronic Stability Prog ram) ...... 183
Ac tivating/deactivating ...................... .184
Fu nction/no tes ................................... 183
EU general operating permit number ....343 Exterior lighting
see Lights
Exterior lighting (care) ............................ 301 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Fi re extinguisher ..................................... 305
Firs t-aid kit (soft sided) .......................... 305
Flacon Inse rting/ removing ............................. 14 2
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................3 06
MOExtended tyres ............................... 306
No tes .................................................. 306
TIREFIT kit ...........................................3 08
Wheel change ...................................... 335
Floor mats ................................................ 121
Fo g light (extended range) ......................1 26 Index
443

Lighting
see In terior lighting
see Lights
Lights ........................................................ 12 2
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
Ad versewe ather light .......................... 127
Au tomatic driving lights ....................... 12 3
City lighting ........................................ .127
Combination swit ch............................. 124
Corne ring light ..................................... 12 5
Driving ab road (symm etrical low
beam) .................................................. 12 2
Fo g light (extended range) ................... 12 6
Haza rdwa rning lights .......................... 124
Headla mpflashing .............................. .124
High beam ........................................... 124
Intellige nt Light Sy stem ....................... 12 5
Light switch .........................................1 22
Low beam ............................................ 12 2
Mo torw ay mode ................................... 12 6
Pa rking lights ...................................... .122
Re ar fog light ....................................... 12 2
Re sponsibility for lighting sy stems .......1 22Setting
the dipped beam ..................... 13 0
Setting theex terior lighting switch-
off delay time ...................................... 13 0
St anding lights .................................... .122
Switching the sur round lighting
on/off ................................................ .130
Tu rn signal indicator ............................1 24
Limiter ...................................................... 191
Ac tivating ............................................ 19 2
Buttons ................................................ 19 2
Calling up a speed .............................. .192
Deactivating ........................................ 19 2
Fu nction ............................................... 191
Pa ssive mode ....................................... 191
Pe rm anent setting .............................. .194
Re quirements ...................................... 19 2
Selecting ............................................. 19 2
Setting a speed ................................... 19 2
St oring a speed ................................... 19 2
Sy stem limitations ...............................1 91
Limiting speed see Limiter
LINGU ATRO NIC
Fu nction .............................................. 252
St arting .............................................. .252 Live
Traf fic Information
Swit ching the tra ffic information dis‐
play on ................................................ 263
Loading .................................................... .116
Bag hook .............................................. 11 7
No tes ................................................... 11 3
Ti e-down eyes ...................................... 11 6
Loading guidelines ...................................113
Loads Securing .............................................. .113
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .77
Ad ditional door lock ...............................74
Digital Vehicle Keyst icke r ...................... 76
Emergency key ...................................... 78
KEYLESS-GO .......................................... 76
Un locking/opening the doors from
th e inside ............................................... 75
Low beam Swit ching on/off ................................ .122
Symmetrical low beam ........................ 12 2
Lu bricant additives
see Additives Index
447

U
Un locking setting ...................................... 72
Up dates
Impor tant sy stem updates .................. 255
USB port Rear .................................................... .118 V
Ve hicle ...................................................... 15 2
Ac tivating/deactivating standby
mode .................................................. .180
Ad ditional door lock ...............................74
Cor rect use ........................................... 30
Data acquisition ..................................... 31
Data storage .......................................... 31
Diagno stics connection ........................ .28
Equipment ............................................. 22
Implied warranty .................................... 31
Locking (auto matically) ......................... 77
Locking (Digital Vehicle Keyst icke r) ..... .76
Locking (from inside) ............................. 75
Locking (KEYLESS-GO) ..........................76
Locking/unlocking (emergency key) ...... 78
Lo we ring ............................................. 339 Medical aids .......................................... 30
Pa
rking up .......................................... .179
QR code rescue card ............................. 31
Qualified specialist workshop ................29
Ra ising ................................................ 335
REA CHregulation ..................................30
Re gistration ...........................................29
St andby mode function ...................... .180
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
Switching off (s tart/s top button) .........1 74
To wing ................................................ .240
Un locking (Digital Vehicle Keyst icke r) ... 76
Un locking (from inside) .......................... 75
Un locking (KEYLESS-GO) ...................... .76
Ve ntilating (co nvenience opening) ......... 91
Ve hicle data
Displ aying (DYNAMIC SELECT) ............ 16 4
Ro of load ............................................. 356
Ve hicle height ...................................... 354
Ve hicle length ...................................... 354
Ve hicle width ....................................... 354 Wheelbase ...........................................3
54
Ve hicle dimensions ................................. 354
Ve hicle identification number
see VIN
Ve hicle identification plate .................... 343
EU general operating pe rmit number .. 343
Pa int code .......................................... .343
Pe rm issible axle load .......................... .343
Pe rm issible gross mass ...................... .343
VIN ...................................................... 343
Ve hicle interior
Cooling or heating (Remo teOnline) ..... 15 3
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle tool kit ........................................ .307
TIREFIT kit ...........................................3 07
To wing eye ...........................................3 21
Ve ntilating
Con venience opening ............................ 91
Ve ntilation
see Climate cont rol Index
459