
ProblemPossible causes/consequences and MSolutions
Ve hicles with a panoramic sliding
sunroof: The sliding sunroof or the
ro ller sunblind does not opera te
smoo thly.
#Pull the3 button down repeatedly tothe point of resis tance until the sliding sunroof is fully closed.
#Pull the3 button for ano ther second.
#Pull and hold the3 button down until thero ller sunblind is comple tely closed.
#Pull the3 button for ano ther second.
#Use automatic operation tofully open and then close the sliding sunroof.
Anti-theft pr otection
Immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect key.
The immobilizer is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on.
When leaving theve hicle, alw aysta ke theke y
with you and lock theve hicle. An yone can start
th e engine if a valid keyhas been lef tinside the
ve hicle.
% Intheeve ntthat the engine cannot bestar‐
te d (y etthest ar ter battery is charge d), the
sy stem is not operational. Contact an authorized Mercedes-Benz Center or call
1-800-FO
R-MERCedes (in the USA) or
1-800-387-0 100 (in Canada).
ATA (anti-theft alarm system)
Fu nction of theATA system (anti-theft ala rm
sy stem)
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RA door is opened.
RThe trunk lid is opened.
RThe hood is opened. The
ATA sy stem is armed automatically af ter
appr oximately 10seconds:
RAfter locking theve hicle with the SmartK ey.
RAf ter locking theve hicle using KEYLESS-GO.
78
Opening and closing

Assistancegraphic
Menu (on-board computer) .................. 209
Assistance sy stems
see Driving saf etysy stem
ASS YST PLUS ........................................... 308
Battery disconnection pe riods .............3 09
Display ingthe service due date ........... 308
Fu nction/no tes ................................... 308
Re gular service work ........................... 308
Special service requirements .............. 308
ATA (Anti-Theft Alarm sy stem)
Deactivating the alarm .......................... 79
Fu nction ................................................ 78
ATA (anti-theft alarm system)
see Pr otection against theft
AT TENTION ASSIST ..........................195, 196
Ac tivating/deactivating .......................1 96
Fu nction .............................................. 195
Sy stem limitations .............................. .195
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mode ........................ 287 Connecting USB devices ..................... 290
Co
pyright ............................................. 287
Information .......................................... 286
Inserting/ removing an SD card ...........2 87
Media sear ch....................................... 293
Overview ............................................. 289
Pa use and playback function .............. .290
Selecting a track ................................. 290
Selecting playba ckoptions .................. 290
Tr ack list .............................................. 290
Au thorized workshop
see Qualif ied specialist
workshop
Au tomati
c car wash (care) ......................3 15
Au tomatic distance control
see Dis tance Pilot DISTRONIC
Au tomatic driving lights .........................109
Au tomatic engine start (ECO start/
sto p function) .......................................... 133
Au tomatic engine stop (ECO start/
sto p function) .......................................... 133
Au tomatic front passen ger air bag
shu toff
see Front passenger air bag shutoff Au
tomatic mir rorfo lding function
Ac tivating/deactivating ........................ 119
Au tomatic transmission
DIRECT SELECT le ver ........................... 136
Drive program display .......................... 135
Drive programs .................................... 135
DY NA MIC SELECT switch .................... 135
Engaging drive position ....................... 138
Engaging reve rsege ar ........................ .137
Kickdown ............................................. 139
Manual gear shifting ............................ 138
Selecting pa rkposition ........................ 138
Shifting toneutral ................................ 137
St eering wheel gearshift paddles ........ .138
Tr ansmission position display .............. 136
Tr ansmission positions ........................ 136
Au tomatic transmission
see Selector le ver
B
Bag hook .................................................... 98
BA S (Brake Assist Sy stem) .................... .151
Battery Key........................................................ 57
450
Index

Active Lane Keeping Assist Inopera‐
tive ...................................................... 404
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's Man‐
ual .......................................................4 29
Ad aptive Highbeam Assist Cur rently
Un available See Operator's Manual .....4 28
Ad aptive Highbeam Assist Inopera‐
tive ...................................................... 428
Air Conditioning Malfunction See
Operator's Manual ...............................422
Apply Brake toShift from 'P' ............... 420
ÀAT TENTION ASSIST Inoperative ... 401
ÀAT TENTION ASSIS T:Take a
Break! .................................................. 401
bAu toLamp Function Inoperati ve
............................................................. 428
Au xilia ryBattery Malfunction .............. 422
Blind Spot Assist Currently Una vaila‐
ble See Opera tor's Manual .................. 405 Blind Spot Assist Inoperative
............... 406
Blind Spot Assist Not Available When
To wing a Trailer See Operator's Man‐
ual ...................................................... .406
$Che ckBrake Fluid Le vel.............. 394
Check Coolant Le vel See Operator's
Manual ................................................ .410
4Check Engine Oil AtNext Refu‐
eling ....................................
.................413
h
Check Tire s ..................................4 15
¥Check Washer Fluid .................... 426
ÉCompressor Is Cooling ................403
?Coolant Too Hot Stop Vehicle
Tu rn Engine Off .................................... 411
Cr uise Control Inoperative ...................4 10
Cruise Control Off ................................ 410
!Cur rently Una vailable See Oper‐
ator's Manual ...................................... 386
÷Cur rently Una vailable See Oper‐
ator's Manual ...................................... 387 Dis
tance Pilot Cu rrent ly Un available
See Operator's Manual ........................ 409
Dis tance Pilot Inoperati ve................... 409
Dis tance Pilot Now Available .............. .408
ÂDon't Forget Your Key.................. 419
ÉDrive More Slowly ....................... 403
Driver's Door Open & Transmission
No t in P Risk of Vehicle Rolling Away .. 420
bExample: Check Left Low
Beam .................................................. 427
6Fr ont Left Malfunction Service
Re quired (Example) ............................ .398
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................3 99
Fr ont Passenger Airbag Enabled See
Operator's Manual ..............................
.400
8
Fu el Le vel Low ............................ .414
8Gas Cap Loose .............................414
!Inoperative See Operator's
Manual ................................................3 85
456
Index

Displaying the connection status ........ 282
Editing the access data ....................... 281
Es tablishing ........................................ .281
Mobile phone de tails .......................... .281
Re strictions ......................................... 279
Setting access da ta............................. 279
Setting up ............................................ 279
Switching Blu etoo th
®profile (DUN/
PA N) .................................................... 281
Vi a Blue tooth
®..................................... 279
Vi aWi -Fi .............................................. 279
Internet radio
Calling up ............................................ 284
Deleting stations ................................ .285
Logging in ............................................ 286
Logging out ......................................... 286
Overview ............................................. 285
Saving stations .................................... 285
Selecting and connecting toast ation
............................................................ .285
Selecting stre am ................................ .286
Setting options ....................................2 86
Te rm s of use ........................................2 86
Ionization ..................................................1 24iPhone
®
see Apple CarPlay™
J
Jack Storage location ..................................3 65
Jump-start connection ............................ 330
Jump-starting ...........................................3 30
Jump-starting see Ju mp-sta rt connection
K
Ke y
Battery ................................................... 57
Energy consumption .............................. 56
KEYLESS-GO Locking theve hicle ................................ 60
Problem .................................................6 1
Unlocking setting .................................. 56
Unlocking theve hicle ............................6 0
Kic kdow n................................................ .139
Using ................................................... 139
Knee airbag ................................................ 37
L
Labeling (tires) see Tire labeling
Laden .......................................................... 98
Bag hook .............................................. .98
Definitions ........................................... 359
No tes ..................................................... 94
Ro ofrack ............................................. 100
St ow age space under the trunk floor ..... 99
Ti e-down eyes ........................................9 8
Lamp see Inte rior lighting
Lamp (Instrument Display) see Warning/indicator lamps
Lane Keeping Assist
see Active Lane Keeping Assist
Language Notes ................................................... 240
Setting ................................................. 240
Last destinations Selecting ............................................ .246
464
Index

Locking (from inside) ............................. 60
Locking (KEYLESS-GO) ..........................60
Locking (mechanical key) ...................... 62
Lo we ring .............................................. 370
Maintenance .......................................... 21
Pa rking ................................................ 149
Problem notification .............................. 25
QR code rescue card ............................. 26
Qualifi ed specialist workshop ................2 5
Ra ising ................................................ .367
St arting (eme rgency operation
mode) .................................................. 130
St arting (smartphone) ........................ .130
St arting (s tart/s top button) ................ .129
Switching off (s tart/s top button) ........ 142
Un locking (from inside) ........................ .60
Un locking (KEYLESS-GO) ...................... .60
Ve ntilating (co nvenience opening) ......... 71
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 226
Ve hicle
see Locking/unlo cking
Ve hicle battery ........................................ 328
Ve hicle data
Display ing ............................................ 136 Ro
ofload ............................................. 383
Tu rnin
g ra dius ...................................... 382
Ve hicle height ...................................... 382
Ve hicle length ...................................... 382
Ve hicle width ....................................... 382
Wheelbase ...........................................3 82
Ve hicle dimensions ................................. 382
Ve hicle identification number
see VIN
Ve hicle identification plate
Pa int code ............................................ 374
VIN ....................................................... 374
Ve hicle identification plate
see Model type
Ve hicle interior
Cooling or heating (smart phone) .........129
Ve hicle key.................................................5 5
Ve hicle key
see SmartK ey
Ve hicle maintenance
see ASS YST PLUS
Ve hicle operation
Outside the USA or Canada .................. .21 Ve
hicle tool kit ........................................ .324
TIREFIT kit ...........................................3 24
To wing eye .......................................... .337
Ve ntilating
Con venience opening ............................ 71
Ve ntilation
see Climate cont rol
Ve nts
see Air vents
Vi deo mode .............................................. 293
Ac tivating ............................................ 291
Ac tivating/deactivating full-scre
en
mode ................................................... 293
Overview .............................................2 92
Settings ............................................... 293
VIN ............................................................ 374
Identification plate ............................... 374
Seat ..................................................... 374
Wi ndshield ........................................... 374
Vi sibility
Defrosting the windo ws....................... 123
480
Index