Page 539 of 609

Display messages
Possible causes/consequences and 0050
0050Solutions
, Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key:only a few or no authorisations remain forst arting the engine. 0007
Make sure that the internet connection is not limited bycer tain mobile phone settings. 0007
Open the Mercedes me connect http://www.mercedes.me and call up the digital vehicle key service. 0007
Deactivate the service firs t and then activate it again. 0007
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. 0007
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at http://www.mercedes-
benz.com/connect. Ve
hicle Display messages
Possible causes/consequences and 0050 0050Solutions
00CA Trailer coupling extending… *E
xtending or retracting the ball nec k.
Do not attem pttospeed up, slow down or initiate there tracting or extending process using your hand, foot or other
aids. During there tracting or extending process, do not couple a traile r.
When the ball neck has reached an operational position, the display message disappears.
00CA *
Yo u ha veattem pted todisplace the ball neck and the transmission is in position 005E,005Cor005B. 0007
Depress the brake pedal. 0007
Shift the transmission toposition 005D. 536
Display messages and warning/indicator lamps
Page 559 of 609

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 000A
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. 0007
Before opening the bonn et, allow the engine tocool down. 0007
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. 0007
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: 0007
Consult a qualified specialist workshop.
or 0007
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. 0007
Check the coolant le vel (0013 page415). 0007
Makesure that the air supply tothera diator is not obstructed. 0007
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. 556
Displaymessa ges and warning/indicator lamps
Page 565 of 609

Ad
justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 406
ADS PLUS damping sy stem
see AIRMATIC
Ad versewe ather light ............................ .139
Af ter-sales service centre
see ASS YST PLUS
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .157
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents ................................................... 167
Ad justing (front) ................................... 167Ad
justing (rear) .................................... 167
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 0
Air-water duct .......................................... 416
Ke eping free ......................................... 416
Airbag ........................................................ .37
Ac tivation .............................................. 31
Fr ont airbag (driver, front passenger) ....37
Ins tallation locations ............................ .37
Knee airbag ........................................... 37
Overview ............................................... 37
PA SSENGER AIR BAG indicator lamp .... .41
Pr otection ..............................................37
Re duced pr otection ...............................39
Side impact airbag ................................. 37
Wi ndow airbag ....................................... 37
Airflow Setting ................................................ .157
AIRM ATIC ................................................ .234
Setting ................................................. 236
Suspension .......................................... 234
AIRPANEL (Care) ...................................... 422 Alarm
see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem) ................1 43
Android Auto ............................................ 364
Connecting a mobile phone ................. 365
Ending ................................................. 366
Information .......................................... 365
Overview ............................................. 364
Sound settings .................................... 366
Tr ans ferred vehicle data ......................3 66
Animals Pets in theve hicle ................................. 69
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains 562
Index
Page 582 of 609

HOLD function
......................................... 232
Fu nction/no tes ................................... 232
Switching on/off ................................. 233
Hooking the luggage net .........................121
Hotspot Setting up (Wi-Fi) ................................. 312I
i-Size child seat securing sy stem
Fitting .................................................... 58
Seats suitable for attaching ................... 57
Identification pla te
Engine .................................................. 475
Ve hicle .................................................4 75
Ignition Swit ching on (S tart/S top button) ........ 16 8
Ignition key
see Key
Immobiliser ................................................ 95
Implied warranty
Ve hicle .................................................. 26
In Car Of fice
Calling up ............................................ .361 Fe
atures .............................................. 361
Marking a to-do entry as compl eted ....3 62
Noting an incoming call ....................... 362
Selecting functions .............................. 361
Switching auto maticstart on/off ........ 361
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 180
Selecting ............................................. 180
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................2 71
Ad justing the lighting ........................... 276
Fu nction/no tes .................................... 271
Instrument clus ter ................................... 8
Setting the additional value range ....... 274
Wa rning/indicator lamps .................... 546
Instrument lighting .................................276
Intelligent Light Sy stem .......................... 137
Ac tive headla mps ................................ 13 8Ad
aptive Highbeam Assist .................. .139
Ad versewe ather light .......................... 13 9
City lighting ........................................ .139
Cornering light ..................................... 13 8
Fo g light (extended range) ................... 13 9
Mo torw ay mode ................................... 13 8
Overview ..............................................1 37
Switching on/off ................................. 13 9
Interior lighting ...................................... .143
Ambient lighting .................................. 14 3
Re ading light ........................................ 14 3
Setting ................................................. 14 3
Switch-off del aytime ........................... 14 4
Interior pr otection
Fu nction ................................................ 96
Priming/deactivating ............................. 97
Intermediate destination Calculating a route with intermediate
destinations ........................................ .327
Entering ............................................... 326
Modifying ............................................ 327
St arting an automatic filling station
sear ch................................................. 326
St arting the automatic service sta‐
tion sear ch.......................................... 333 Index
57 9