
Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff . #
If necessar y,consult a qualified specialist workshop immediatel y.398
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp lights up af terth e engine is star ted.
In addition, an acoustic warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt .
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. 446
Displaymessa ges and warning/indicator lamps

Ad
aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist
Ac tivating/deactivating ...................... .133
Fu nction .............................................. 13 2
Ad aptive Highbeam Assist Plus
Ac tivating/deactivating ...................... .135
Fu nction .............................................. 13 4
Ad Blue ®
.................................................... 372
Ad ditives .............................................. 372
Filling capacity ..................................... 373
No tes ................................................... 17 9
Purity ................................................... 372
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 71
Ad diti ves.................................................. 373
Ad Blue ®
............................................... 372
Engine oil ............................................. 373
Fu elling ................................................ 371
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives Ad
diti ves (fuel)
see Fuelling
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 305
Ad justing the headlamp range ............... 12 8
Ad justing the sound optimisation
Burmes ter®
sur round sound sy stem ... 305
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .132
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .213
Setting ................................................. 215
Suspension .......................................... 213
Air conditioning sy stem
see Climate control
Air distribution ........................................ .147
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL Air
vents ................................................... 157
Ad justing (front) ................................... 157
Ad justing (rear) .................................... 15 8
Glo vebox .............................................1 58
Air vents
see Air vents
Ai r-re circulation mode ............................ 15 0
Airbag ........................................................ .38
Ac tivation .............................................. 32
Belt airbag ............................................ .36
Fr ont airbag (driver, front passenger) ....38
Ins tallation locations ............................ .38
Knee airbag ........................................... 38
Overview ............................................... 38
Pr otection ..............................................39
Re duced pr otection ...............................40
Side impact airbag ................................ 38
Wi ndowbag ............................................ 38
Ai rflow ...................................................... 147
AIRPANEL (Care) ...................................... 317
Alarm see Panic alarm Index
457

Au
tomatic front passen ger airbag
shu toff ........................................................ 41
Fu nction of the automatic front
passenger airbag shutoff ....................... 41
Au tomatic front passen ger front air‐
bag deacti vation sy stem .................... .41, 42
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag deactivation sy stem
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .145
Au tomatic transmission
DIRECT SELECT le ver ........................... 172
Drive program display .......................... 17 0
Drive programs .................................... 17 0
DY NA MIC SELECT switch .................... 17 0
Engaging drive position ........................ 173
Engaging reve rsege ar ........................ .173
Kickdown ............................................. 175
Manual gearshifting ............................ .174
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173St
eering wheel gearshift paddles ........ .174
Tr ansmission position display .............. 172
Tr ansmission positions ........................ 172
Axle load Perm issible .......................................... 366
Tr ailer operation .................................. 380 B
Ball neck Extending/r etra cting ........................... 24 5
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 16 3
Ke y ........................................................ 69
Re mo tecontrol (s tationary heater) ...... 15 6
Battery (vehicle) Charging .............................................. 332
Notes .................................................. 330
St arting assis tance .............................. 332
Belt see Seat belt
Belt airbag Activation .............................................. 32 Fu
nction/no tes .....................................36
Bic ycle rack
Tr ailer operation .................................. 24 8
Blind Spot Assi st..................................... 239
Ac tivating/deactivating ...................... .241
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Ac tivating/deactivating ...................... .275
Settings ............................................... 274
Blue tooth ®
Au dio
Ac tivating ............................................ 300
Ad justing thevo lume .......................... .300
Displ aying device de tails .................... .301
Information .......................................... 299
Overview ............................................. 299
Sear ching for and auth orisingthe
device .................................................. 299 Index
459

Ending a call ........................................ 282
Incoming call du
ring an existing call .... 283
Making ................................................ 282
Vi ath eove rhead control panel
(Mercedes me connect) ......................2 88
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ........................................3 14
Care .......................................................... .319
AIR PANEL ............................................ 317
Car wash ..............................................3 14
Carpet .................................................. 319
Displ ay................................................. 319
EAS Y-PA CK boot box ............................ 319
Exhaust pipes ...................................... 317
Exterior lighting .................................... 317
Genuine wood/trim elements .............. 319
High-pressu recleaner .......................... 314
Matt finish ........................................... 316Pa
int wo rk ............................................. 316
Plastic trim ...........................................3 19
Re versing camera/360° Camera ........ .317
Ro of lining ............................................ 319
Seat belt .............................................. 319
Seat co ver ............................................ 319
Senso rs................................................ 317
Tr ailer tow hit ch................................... 317
Wa shing byhand ..................................3 15
Wheels/rims ........................................3 17
Wi ndo ws .............................................. 317
Wi per blades ........................................ 317
Carpet (Care) ............................................ 319
Changing bulbs ........................................ 137
Dipped beam ....................................... 13 8
Fitting/removing co ver (front wheel
ar ch ) .................................................... 13 8
Main beam ...........................................1 38
No tes ................................................... 137
Opening/closing the side trim pan‐
els .......................................................1 39
Overview .............................................. 137
Re versing light .................................... .139
Tu rn signal light (front) ........................ 13 8
Tu rn signal light (rear) .......................... 13 9Changing hub caps
.................................. 357
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 127
Channel tracking Setting ................................................ .303
Charging Battery (vehicle) .................................. 332
Mobile phone (wi reless) ...................... .124
USB port ..............................................1 24
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .215
Child saf ety lock
Re ar side wind ows................................. 65
Child seat Attach ing (no tes) ................................... 54
Fr ont passenger seat (no tes) ................. 52
Fr ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 54
Fr ont passenger seat (without airbag
shutoff) .................................................. 53
ISOFIX/i-Size (fitting) ............................50
No tes ..................................................... 46
Re commended child restra int sy stems .. 61 Index
461

5
Engine oil le vel cannot be
measured ............................................ .414
4 Engine oil le velRe duce oil le vel.. 412
4 Engine oil le velSt op vehicle
Switch engine off ................................. 412
4 Engine oil pressure Stop
Switch off engine ................................. 413
6 Front left malfunction Consult
wo rkshop (e xample)............................ 396
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 97
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 98
! inoperative See Owner's Man‐
ual ....................................................... 382
÷ inoperative See Owner's Man‐
ual ....................................................... 385
T inoperative See Owner's Man‐
ual ....................................................... 386
G Inoperati ve................................. 392 b
Intelligent Light Sy stem inoper‐
ative ....................................................4 35
ÂKe y not de tected (red displ ay
messa ge).............................................4 22
 Key not de tected (white dis‐
pl ay messa ge).....................................4 22
bLeft dipped beam (e xamp le) ........ 435
6Left windowbag malfunction
Consult workshop (e xample).............. .396
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 430
Limiter inoperative .............................. 406
Limiter passive .................................... 405
¢ Lowe ring .................................... 399
b Malfunction See Owner's Man‐
ual ....................................................... 436
ðMaximum speed exceeded ..........4 06
N permanently active Risk of vehicle
ro lling .................................................. 426
ë Off.............................................. 404 Only select
Park (P) when vehicle is
st ationary ............................................ 426
j Operation on ly possible in
tr ansmission position N .......................429
j Operation only possible in
transmission position P ....................... 429
! Parking brake See Owner's
Manual ................................................ 388
 Place theke y in the mar ked
space See Owner's Manual ................. 423
PRE-SAFE impulse side inoperative
See Owner's Manual ........................... 394
PRE-SAFE inoperative See Owner's
Manual ................................................ 394
Ra dar sensors dirty See Owner's
Manual ................................................ 392
_Re ar left seat backrest not
loc ked (e xamp le)................................ .434
h Rectify tyre pressure ...................41 8466
Index

Flat ty
re.................................................... 324
MOExtended tyres ............................... 325
No tes ................................................... 324
TIREFIT kit ...........................................3 26
Wheel change ...................................... 357
Floor mats ................................................ 12 6
Fo g light (extended range) ......................1 32
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem .................................... 151
Ad justing the fragrance intensity ......... 151
Inserting/removing theflacon ............ .151
Switching on/off .................................. 151
Fr ee software ............................................ 30
Fr equencies
Mobile phone ...................................... 365
Tw o-w ayradio ...................................... 365
Fr equency band
Selecting (on-board computer) ............ 259
Fr ont airbag (driver, front passenger) .....38
Fr ont passenger seat
Ad justing from the driver's seat ............ 98 Fr
ont passenger seat
see Seat
Fr ont wheel ar ch
Fitting/removing the co ver .................. 13 8
Fr ont wheel ar chcover
Fitting/removing ................................. 13 8
Fu el
E10 ...................................................... 370
Pe trol ................................................... 370
Quality (petrol) .................................... 370
Re ser vefuel le vel ................................ 372
Sulphur content ................................... 370
Ta nk capacity ....................................... 372
Fu el consum ption
On-board computer ............................ .257
Fu elling .................................................... .371
Ad ditives .............................................. 371
Diesel .................................................. 371
Low outside temp eratures ...................3 71
Quality (diesel) ..................................... 371
Re fuelling ............................................. 176
Fu nction seat
see Door cont rol panel Fu
se insert
see Fuses
Fu ses ........................................................ 341
Assignment diagram ............................3 41
Before replacing a fuse ........................ 341
Fu se box in the boot ............................3 43
Fu se box in the engine compartment .. 342
Fu se box in the front-passen gerfo ot‐
we ll ...................................................... 343
Fu se box on the dashboard ................. 343
No tes ................................................... 341 G
Garage door opener Cleari ngthe memory ........................... 185
Opening/closing thega rage door ........ 184
Programming buttons .......................... 182
Ra dio equipment appr oval numbers .... 185
Re solving problems ............................. 184
Synchronising thero lling code ............ 183
Garmin ®
MAP PIL OTnavigation mod‐
ule
Activating ............................................ 277
Overview ..............................................2 76 Index
471

Knee airbag
................................................ 38L
Laden ........................................................ 11 3
St ow age space under the boot floor ....1 17
Ti e-down eyes ...................................... 11 3
Lamp (instrument display) see Warning/indicator lamps
Lamps see Interior lighting
Lane Keeping Assist
see Active Lane Keeping Assist
Language Setting .................................................2 75
LED light see In telligent Light Sy stem
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................. 127
Lighting .................................................... 13 6Lighting
see Lights
Lights ................................................ 127, 13 6
Ac tive headla mps function ...................1 31
Ad aptive Highbeam Assist .................. .132
Ad aptive Highbeam Assist Plus .......... .134
Ad justing the instrument lighting ........ 255
Ad versewe ather light .......................... 13 2
Au tomatic driving lights ....................... 12 8
Changing bulbs .................................... 137
City lighting ........................................ .132
Combination switch ............................ .129
Cornering light ..................................... 131
Dipped beam ....................................... 127
Driving ab road .................................... .127
Fo g light (extended range) ................... 13 2
Haza rdwa rning lamps ........................ .130
Headlamp flasher ................................ 12 9
Headla mprange .................................. 12 8
Intellige nt Light Sy stem ....................... 13 0
Light switch .........................................1 27
Main beam ...........................................1 29
Mo torw ay mode ................................... 131
Pa rking lights ...................................... .127
Re ar fog light ....................................... 12 8Re
sponsibility for lighting sy stems .......1 27
Setting the dipped beam ..................... 13 5
St anding lights .................................... .127
Tu rn signal light ................................... 12 9
Limiter ...................................................... 202
Ac tivating ............................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Fu nction .............................................. 202
Le ver ................................................... 203
Pa ssive mode ...................................... 202
Pe rm anent setting .............................. .204
Re quirements ...................................... 203
Selecting ............................................ .203
Setting a speed ................................... 203
St oring a speed ................................... 203
Sy stem limitations ...............................2 02
Limiting speed see Limi ter
Loading Notes ................................................... 107
Ro ofrack ............................................. 11 7
Loading guidelines .................................. 107474
Index