towing MERCEDES-BENZ C-CLASS SALOON 2012 Service Manual

4MATIC
vehicles/ve hicles with automatic
transmission #
Make sure that the front and rear axles come
to rest on the same transpor tation vehicle.
* NO
TEDama getothe driv etra in due to
incor rect positioning #
Do not position theve hicle abo vethe
connection point of the transport vehi‐
cle. To
wing eyesto rage location The
towing eye is located in thestow age space
under the boot floor. Installing
theto wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise as far as it
will go and tighten.
Ve hicles with a trailer hitch: vehicles with a
trailer hitch do not ha veare ar brac ketfo rthe
to wing eye. Fasten theto w bar tothe trailer
hitch. #
Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama getotheve hicle due to
incor rect use of theto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. 406
Breakdown assis tance
Internal use only

All models
Ve
hicle width excluding out‐
side mir rors 18
10 mm
Wheelbase 2840 mmModel
Vehicle
height
C 16 01 542 mm
C 180
C 200 14
42 mm
or
15 42 mm
C 18 0 d
C 200 d
C 220 d 14
42 mm
C 300
C 300 d 14
47 mm
All other models 1452 mm We
ights and loads Please obser
vethefo llowing no tesfo rth e speci‐
fi ed vehicle data:
R Items of optional equipment increase the
unladen weight and reduce the pa yload.
R Vehicle-specific weight information can be
fo und on theve hicle identification plate
(/ page 428).
Ro of load All models
Maximum
roof load 75kg Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line Te
ch nical da ta441
Internal use only

Display messages
Possible causes/consequences and M
MSolutions #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine. #
If necessar y,clean there ar bumper. If the bumper is especially dirty, the sensors in the bumper may be mal‐
functioning.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist will be una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem limits ha vebeen reached (/ page213).
On ce the cause of the problem is no longer present, the sy stem will be available again. #
Drive on.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop. 476
Displaymessa ges and warning/indicator lamps
Internal use only

Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stwill be una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page216).
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Ve hicles with Active Steering Assis t:the camera view may be limited bythe windscreen. #
Drive on.
Ve hicles with Active Steering Assis t:ifth e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean the windscreen.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Active Lane Keeping Assist
Camera view restricted
See Owner's Manual *
Ve hicles without Active Steering Assis t:the camera view is restricted.
Po ssible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog Displ
aymessa ges and warning/indicator lamps 477
Internal use only

External................................................
.303
Saving (cur rent vehicle position)........... 303
Saving as global favo urit e...................... 303
St oring a map position..........................3 03
Dest ination entry
En tering a 3 wordaddress..................... 293
En tering a POI or address...................... 288
Entering an intermedia tedestination.... 292
Ente ring geo-coordinates...................... 293
Selecting a contact............................... 293
Selecting a POI...................................... 291
Selecting from the map......................... 294
Selecting pr evious destinations............ .291
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .............................. 29
Diesel Low outside temp eratures..................... 433
No tes....................................................4 33
Digital Owner's Manual.............................. 20
Digital TV
see TV Dinghy
towing
see Tow- bar sy stem
Dipped beam Changing bulbs...................................... 13 6
Setting................................................... 13 3
DIRECT SELECT le ver
Engaging drive position......................... 16 9
Engaging neutral.................................... 16 8
Engaging pa rkposition.......................... 16 9
Engaging pa rkposition automatically....1 69
Engaging reve rsege ar........................... 16 8
Fu nction................................................. 167
Display (care) .............................................3 85
Display (multimedia sy stem)
Settings................................................. 274
Display (on-boa rdcompu ter)
Displ ays on the multifunction displa y.... 247
Display message Calling up (on-board co mputer)............ .445
No tes....................................................4 45
Display messages ¯ - - - km/h ...................................... 471
ç - - - km/h ...................................... 472È
- - - km/h ...................................... 471
# 12V battery See Owner's Man‐
ual......................................................... 486
Û 48 V battery See Owner's Man‐
ual......................................................... 488
: Active Light Sy stem inoperative... 452
¯ AdBlue sy stem fault Emer. op.:
max. XXX mphSt art not poss. in XXX
miles .................................................... .495
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX km See Owner's
Manual.................................................. 494
¯ AdBlue sy stem fault Engine
st art not possible................................. .495
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... .494
5 Add 1 litre engine oil when
next refuelling....................................... 496
é ATTENTION ASSIST inoperative ....470 522
Index
Internal use only

Ý
Please wait 48 V battery charg‐
ing ........................................................ .488
_ Rear left seat backrest not
loc ked (Example)................................... 459
h Rectify tyre pressure.................... 491
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 493
! Release parking brake .................. 468
¸ Replace air cleaner ...................... 462
Á Replace key.................................. 449
8 Reser vefuel le vel......................... 462
6 Restra int sys. malfunction Con‐
sult workshop........................................ 446
# See Owner's Manual.................... 487
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ...... 457
Ù Steering malfunction Stop
immediately See Owner's Manual ......... 458
# Stop vehicle Lea veengine run‐
ning ....................................................... 488 #
Stop vehicle See Owner's Man‐
ual......................................................... 487
É Stop vehicle Vehicle too low......... 479
ç suspended.................................... 472
: Switch off lights ........................... 452
: Switch on headlamps................... 452
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 493
+ Top up coolant See Owner ’s
Manual.................................................. 460
¥ Top up washer fluid ...................... 460
! Turn on the ignition torelease
th e parking brake..................................4 68
d Vehicle is operational Switch
off ignition before exiting..................... .456
É Vehicle rising Please wait............ .480
É Vehicle rising................................4 80
h Warning tyre defect..................... .491
h Wheel sensor(s) missing .............. 490Ø
XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 494
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........476
Ac tive Blind Spot Assi stinope rative ....... 476
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 477
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 458
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........ 484
Ac tive Brake Assi stFunctions limited
See Owner's Manual............................. 485
Ac tive Dis tance Assi stavailable again ...4 73
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........472
Ac tive Dis tance Assi stinope rative ......... 472 524
Index
Internal use only

EQ Boost
Operating saf ety...................................... 23
ERA-GLO NASS test mode
St arting/ending.................................... 339
Er ro r message
see Displ aymessa ge
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist.................................. .189
Tr ailer stabilisation................................ 189
ESP ®
(Electronic Stability Prog ram)
Ac tivating/deactivating......................... 19 0
Fu nction/no tes..................................... 188
EU general operating permit number ...... 428
Exterior lighting see Lights
Exterior lighting (care).............................. 384 F
Fa tigue de tection
see ATTENTION ASSIST Favo
urites
Ad ding................................................... 270
Calling up.............................................. 270
Del eting................................................. 270
Moving.................................................. 270
Overview...............................................2 69
Re naming.............................................. 270
Fi lling station sear ch
St arting automatic sear ch..................... 291
Switching the automatic sear chon/
off.......................................................... 297
Using automatic sear ch......................... 297
Fi re extinguisher....................................... 389
Firs t-aid kit (soft sided) ............................ 389
Flacon Inse rting/ removing.............................. .148
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 391
No tes.................................................... 390
TIREFIT kit............................................. 392
Wheel change........................................ 41 8Floor mats
.................................................. 12 3
Fo g light (extended range) ....................... 13 0
Fo il co vering
Ra dar and ultrasonic sensor s................ 186
Fr ag rance
see Frag rance sy stem
Fr ag rance sy stem
Inserting/removing theflacon...............1 48
Setting................................................... 147
Fr ee software............................................. .36
Fr equencies
Mobile phon e....................................... .427
Tw o-w ayradio........................................ 427
Fr ont airbag (driver, front passenger).......43
Fr ont passenger seat
see Seat
Fr ont wheel ar ch
Fitting/removing the co ver.................... 13 6
Fr ont wheel ar chcover
Fitting/removing.................................. .136
Fu el
Ad ditives...............................................4 33 Index
529
Internal use only

Pe
destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem
Pe riod out of use
Ac tivating/deactivating standby
mode.................................................... .185
St andby mode function........................ .184
Pe rm issible axle load ................................ 428
Pe rm itted towing me thods...................... 402
Pe rsonalisation
see User profile
Pe trol .......................................................... 432
Pe ts in the vehicle ....................................... 72
Phone book see Contacts
Picture form ats
see Video mode
Picture settings see Video mode PIN pr
otection
Swit ching on/of f................................... 281
Pla stic trim (Care)..................................... 385
Playback options Selecting.............................................. .350
POI Selecting............................................... 291
POI symbols Selecting............................................... 309
Po we r supp ly
Switching on (S tart/S top button).......... 154
Po we r windo ws
see Side windo ws
PRE-SAFE ®
(anticipatory occupant
pr otection)
Fu nction................................................... 51
PRE-SAFE ®
Sound.................................... 51
Re versing measures................................ .51
PRE-SAFE ®
PLUS (anticipatory occu‐
pant pr otection plus)
Fu nction.................................................. 52
Re versing measures................................ .51Pr
ev entative occupant pr otection sys‐
tem
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
Pr ev ious destinations
Selecting.............................................. .291
Prog ramme in form ation
TV channel........................................... .365
Prog rams
see DYNA MIC SELECT
Pr otection against collision .....................235
Pr otection of the environment
No tes.......................................................21
Ta ke -ba ckof end-of-life vehicles.............. 21 Q
Qibla........................................................... 312
QR code Rescue card............................................33
Qualified specialist workshop.................... 31 Index
539
Internal use only