2018 MERCEDES-BENZ C-CLASS COUPE trailer

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. Display messages and
warning/indicator lamps 519

Display messages
Possible causes/consequences and 0050
0050Solutions
Operation only possible in
transmission position P
00CA
Operation only possible in
transmission position N *
Ve hicles with manual transmission: you attem ptedto swivel the ball neck and the transmission is not in neutral
005C. 0007
Shift the transmission toneutral 005C.
00CA Check trailer hitch lock
(whi tedisplay message) *T
he trailer tow hit chis not operational when you are driving with a trailer. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page248). 0007
Ifth e ball neck is extended, press and hold the button on the boot lid until the ball neck engages beneath the
bumper. 0007
When the display message disappears, couple up the trailer and drive on. 000A
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 0007
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. 520
Display messa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop.
The trailer tow hit chis not operational when theve hicle is at a standstill. 0007
Uncouple the coupled trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page248). 0007
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. 0007
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer tow hit chis defective and the ball coupling is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 521

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 Left dipped beam (Example)*T
he cor responding light source is defective. 0007
Drive on carefully. 0007
Consult a qualified specialist workshop immediatel y.
0009 LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
0049 Active Light System inoper-
ative *T
he active headlamp s arefaulty. 0007
Consult a qualified specialist workshop.
0049 Malfunction See Owner's
Manual *T
heexterior lighting is faulty. 0007
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the fuses and replace them if necessary (0013 page 430).
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. 0007
Consult a qualified specialist workshop.
*A daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (0013 page131). Displ
aymessa ges and warning/indicator lamps 527

Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00CC Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. 000A
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. 0007
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. 0007
Consult a qualified specialist workshop. 0007
Obser vethe messages on the multifunction displa y.
00CA
Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
The trailer tow hit chis not operational or swivels. 000A
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 0007
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. 0007
Uncouple the trailer and secure it against rolling away. 542
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 0007
Obser vethe messages on the multifunction displa y.
If th e trailer hitch swivels: 0007
Wait until the ball coupling has reached the operational position. Display messages and
warning/indicator lamps 543

Designs
Menu (on-board co mputer) .................. 258
Destination .............................................. 322
Editing intermediate destinations ........ .311
Editing the pr evious destinations ........ 322
Ex tern al .............................................. .322
Saving (cur rent vehicle position) ......... 322
Saving as global favo urite .................... 322
St oring a map position ........................ 322
Destination entry .................................... 306
Entering 3 wordaddresses .................. 312
Entering a POI or address .................... 306
Entering an intermedia tedestination ...3 10
Entering geo-coordinates ..................... 312
Selecting a contact .............................. 311
Selecting a POI .................................... 309
Selecting from the map ....................... 313
Selecting pr evious destinations .......... .309
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................26
Diesel Low outside temp eratures ...................4 64
No tes ................................................... 464 Digital Owner's Manual
............................20
Digital speedome ter ................................ 261
Digital TV
see TV
Digital Vehicle Keyst icker
Locking theve hicle ................................ 76
St arting theve hicle ............................. 154
Un locking theve hicle ............................76
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 34
DIRECT SELECT le ver............................... 167
Engaging drive position ....................... 16 9
Engaging neutral .................................. 16 8
Engaging pa rkposition ........................ 16 9
Engaging pa rkposition automatically .. 16 9
Engaging reve rsege ar ........................ .168
Fu nction ............................................... 167
Display Care .................................................... 408
Display (multimedia sy stem)
Settings .............................................. .292 Display (on-board comp
uter)
Displ ays on the multifunction display .. 259
Display content Setting the additional value range ....... 258
Displ aymessage ...................................... 474
Calling up (on-board co mputer) .......... .474
No tes ................................................... 474
Display messages 00B2 - - - km/h .................................. .496
ç - - - km/h ................................... 495
00CB - - - km/h ................................... 497
003D12 V battery See Owner's Man‐
ual ....................................................... 500
003D48 V battery See Owner's Man‐
ual ....................................................... 502
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........490
Ac tive Blind Spot Assi stinope rative .... 495
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 488 Index
553

Au
xilia rybattery malfunction .............. 509
0044Before starting the engine, turn
th esteering wheel. ...............................5 11
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Blind Spot Assist inope rative ............... 490
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 93
Brake immediate ly............................... 475
Cann otstart engine See Owner's
Manual ................................................ 501
00AFChan gekey bat teries ...................5 18
004D Check brake fluid le vel................ 480
Check brake pads See Owner's Man‐
ual ...................................................... .488
00B2Che ckeng. oil le v.when next
re fuelling ............................................. 505
00CAChe cktrailer hitch lo ck(white
display message) .................................5 20Che
cktyre pressu resth en restart
Ru n Flat Indicator ................................. 516
0077 Check tyre(s) .............................. .514
003A Clean the fuel filter .................... .499
Clutch overheated Avoid pulling away
fo r XX:XX mins ..................................... 51 0
00AC Coolant Stop vehicle Switch
engine off ............................................ 501
Cruise contro l and Limiter inope ra‐
tive ...................................................... 496
Cruise control inope rative ................... 496
Cruise control off ................................ 496
0025cu rrently unavailable See Own‐
er's Manual .......................................... 481
00E5cur rently una vailable See Own‐
er's Manual .......................................... 475
Dep ress clutch fully tostart engine .....5 10
00B3 Engine oil le vel cannot be
measured ............................................ 503
00B2Engine oil le velRe duce oil le vel...5 03 00B2Engine oil le
velSt op vehicle
Switch engine off ................................ 504
00B2Engine oil pressure Stop Switch
off engine ............................................ 504
Fa ult Drive at max. 80 km/h ...............493
0075Fr ont left malfunction Consult
wo rkshop (Example) ............................4 86
006FFr ont left seat backrest not
loc ked (Example) .................................5 22
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 85
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 84
003B inope rative Battery low ............... 525
003Binoperati veRefuel vehicle ........... 525
003Binoperative See Owner's Man. ....525
0025inoperative See Owner's Man‐
ual ....................................................... 482
00E5inoperative See Owner's Man‐
ual ....................................................... 483 Index
555