
Display messages
Possible causes/consequences and M
MSolutions
# Stop vehicle See Owner's
Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Switch off the engine. #
Consult a qualified specialist workshop.
# Stop vehicle Leave engine
running *T
he battery charge leve l is too lo w. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Start the engine. #
Wait until the display message disappears before pulling away. 434
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
, Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key:only a few or no authorisations remain forst arting the engine. #
Make sure that the Internet connection is not limited bycer tain mobile phone settings. #
Open the Mercedes me connect web App http://www.mercedes.me. and call up the "digital vehicle key"
service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
 Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery .
Â
Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in thestow age compartment . 446
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off the ignition
before exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heater. Otherwise, the12 V
battery might dischar geand it will then only be possible tostart theve hicle using a donor battery (s tarting
assis tance).
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shi fts to position iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Reversege ar can no lon ger be engaged. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission has overheated. Pulling away can be temp orarily impaired or not possible. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Start the engine. #
Wait until the display message disappears before pulling away. Displ
aymessa ges and warning/indicator lamps 451

Display messages
Possible causes/consequences and M
MSolutions
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, manually set the transmission toposition jbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake.
Air conditioning Malfunc-
tion See Owner's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode. #
Have the climate control sy stem checked at a qualified specialist workshop.
Apply brake to select R *
Yo u ha veattem ptedto shift the transmission out of position hand into transmission position k. #
Depress the brake pedal. #
Switch the transmission toposition k.
j
Operation only possible in
transmission position N *
Yo u ha veattem ptedto displace the ball neck and the transmission is not in position i. #
Switch the transmission toposition i. 452
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
& inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. #
Drive a long dis tance until the battery has reached a suf ficient charge leve l again.
& inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. #
Refuel theve hicle.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop. Display messages and
warning/indicator lamps 455

Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay™ ....................................... 303
Connecting an iPhone ®
....................... 303
Ending .................................................3 04
Overview ............................................. 303
To ne settings ....................................... 304
Tr ans ferred vehicle data ......................3 05
Ashtr ay
Fr ont centre console ........................... 108
Re ar .................................................... .109
Assistance graphic
Menu (on-boa rdcompu ter) ................. .229
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 345
Battery disconnection pe riods .............3 46
Displ aying the service due date ........... 345
Fu nction/no tes ................................... 345
Re gular service work ........................... 345
Special service requ irements .............. 345 ATA
(anti-theft ala rmsystem) .................. 84
Deactivating the alarm .......................... 85
Fu nction ................................................ 84
Fu nction of interior pr otection ............... 86
Fu nction of tow- aw ay protection ........... 85
AT TENTION ASSI ST.......................... 209, 210
Ac tivating/deactivating ...................... .210
Fu nction .............................................. 209
Sy stem limitations ...............................2 09
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mode ........................ 320
Connecting USB devices ..................... 323
Co pyright ............................................. 320
Information .......................................... 319
Inserting/removing an SD card ...........3 20
Media sea rch ....................................... 326
Overview ............................................. 322
Pa use and playback function .............. .323
Selecting a track ................................. 323
Selecting playba ckoptions .................. 323
Tr ack list .............................................. 323 Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Dis tance Pilot DISTRONIC
Au tomatic driving lights ..........................11 5
Au tomatic engine start (ECO start/
sto p function) .......................................... 14 6
Au tomatic engine stop (ECO start/
sto p function) .......................................... 14 6
Au tomatic front passen ger airbag
shu toff
see Front passenger airbag shutoff
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .127
Au tomatic transmission
DIRECT SELECT le ver ........................... 14 9
Drive prog ram display ......................... .148
Drive programs ................................... .148
DY NA MIC SELECT switch .................... 14 8
Engaging drive position ........................ 151
Engaging reve rsege ar ........................ .150
Kickdown ............................................. 15 2
Manual gearshifting ............................ .151 Index
481

Selecting pa
rkposition ........................ 151
Shifting toneutral ................................ 15 0
St eering wheel gearshift paddles ........ .151
Tr ansmission position display .............. 14 9
Tr ansmission positions ........................ 14 9
Axle load Perm issible .......................................... 406
Tr ailer operation .................................. .418 B
Bag hook .................................................. 106
Ball ne ck
Fo lding in/out ...................................... 219
BA S (Brake Assist Sy stem) .................... .168
Battery Key ........................................................ .61
Re mo tecontrol (s tationary heater) ...... 137
Battery (vehicle) Charging .............................................. 373
No tes ................................................... 371
St arting assis tance .............................. 373
Belt see Seat belt Bic
ycle rack
Tr ailer operation .................................. 222
Blind Spot Assist ...................................... 213
Ac tivating/deactivating ...................... .215
Fu nction/no tes .................................... 213
Sy stem limits ....................................... 213
Blind Spot Assi st
see Active Blind Spot Assi st
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Ac tivating/deactivating ...................... .259
Setting up an Internet connection ....... .313
Settings ............................................... 259
Switching profile (DUN/PAN) .............. 314
Blue tooth ®
Au dio
Ac tivating ............................................ 331
De-authorising (de-regis tering) the
device .................................................. 331
Information .......................................... 328
Overview .............................................3 29Sear
ching for and auth orisingthe
device .................................................. 330
Switching device via NFC .................... 331
Boot lid .......................................................68
Ac tivating/deactivating the boot lid
opening limiter ...................................... 73
Closing .................................................. 69
HANDS-FREE ACCESS .......................... .71
Loc ked separately .................................73
Opening .................................................68
Opening dimensions ............................4 15
Boot lid see Boot lid
see Locking/unlocking
Boot separator Closing .................................................. 80
Opening ................................................. 80
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid Notes ................................................... 413
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 171482
Index

Exterior lighting ................................... 358
Fo
lding draught stop ........................... 358
Genuine wood/trim elements .............3 60
High-p ressure cleaner .........................3 54
Matt finish ........................................... 355
Pa int .................................................... 355
Plastic trim .......................................... 360
Re versing camera/360° Camera ........ 358
Ro of lining ...........................................3 60
Seat belt .............................................. 360
Seat co ver ........................................... 360
Sensors ............................................... 358
Soft top ...............................................3 56
Ta ilpipes .............................................. 358
Tr ailer hit ch......................................... 358
Wa shing byhand ................................. 354
Wheels/rims ....................................... 358
Wi nd de flector .....................................3 56
Wi ndo ws .............................................. 358
Wi per blades .......................................3 58
Carpet (Care) .......................................... .360
Changing hub caps .................................. 397
Changing the lights
Driving abroad (symm etrical dipped
beam) ................................................... 11 4Channel tracking
Setting ................................................ .334
Charging Battery (vehicle) .................................. 373
Mobile phone (wireless) ....................... 11 0
Child saf ety lock
Re ar side wind ows................................. 56
Child seat Attach ing (no tes) ................................... 49
Fr ont passenger seat (no tes) ................. 47
Fr ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 48
Fr ont passenger seat (without airbag
shutoff) .................................................. 48
ISOFIX/i-Size (fitting) ............................45
No tes ..................................................... 41
Re commended child restra int sys‐
te ms ...................................................... 55
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 50
Seats suitable for i‑Size child
re stra int sy stems ................................... 53
Seats suitable for ISOFIX child
re stra int sy stems ................................... 51
To pTe ther ..............................................46 Child seat
see i-Size child seat securing sy stem
see ISOFIX child seat securing sy stem
Children Restra int sy stems ..................................41
Chock Storage location ..................................3 96
Cho ck
see Wheel chock
Cigar ette lighter
Fr ont centre console ........................... 109
City lighting .............................................. 11 8
Cleaning see Care
Climate control ........................................ 12 9
Ac tivating/deactivating the A/C
function (cont rol panel) ...................... .130
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 13 0
Ac tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 131484
Index