boot MERCEDES-BENZ C-CLASS SALOON 2018 Service Manual

Fo
r more information on which tyre-changing
to ol kits are required and appr oved for per form‐
ing a wheel change on your vehicle, consult a
qu alified specialist workshop.
Yo ure qu ire thefo llowing tools, for ins tance, to
ch ange a wheel:
R jack
R chock
R wheel wrench
R centri ng pin
0009 The jack weighs appr oximately 2.1 kg.
The maximum load capacity of the jack can
be found on thest icke r af fixe dto the jac k.
The jack is maintenance-free. If there is a
malfunction, please conta ct aqualified spe‐
cialist workshop.
The tyre-change tool kit is located under the
boot floor. 1
Wheel wrench
2 Folding chock
3 Jack Setting up
thefo lding chock Prepa
ring theve hicle for a wheel change Re
quirements:
R The requ ired tyre-change tool kit is available.
If yo ur vehicle is not equipped with the tyre-
ch ange tool kit, consult a qualified specialist
wo rkshop tofind out about suitable tools. 462
Wheels and tyres

0009
The soc ket can be found in the tyre-change
to ol kit. 0007
Position wheel spanner 3on soc ket2. 0007
Using wheel spanner 3, turn hub cap1
anti-clo ckwise and remo veit. 0007
Tofit: position hub cap 1and turn until it is
comple tely flush with the wheel. 0007
Position soc ket2 on hub cap 1. 0007
Attach wheel spanner 3tosoc ket2 and
tighten the hub cap clockwise.
Specified tightening torq ue: 25 Nm. Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (0013 page 462).
R The hub caps ha vebeen remo ved
( 0013 page 463). Impor
tant no tes on using the jack:
R Use only theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle.
R The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
fl at, load-bearing, non-slip unde rlay.
R The foot ofthe jack must be positioned verti‐
cally under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Never lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 0007
Using the wheel wrench, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe bolts
comple tely. 464
Wheels and tyres

Ve
hicles with a tyre pressure monitoring
sy stem: For a few minutes af ter an emer‐
ge ncy spa rewheel is fitted, the sy stem may
st ill display the tyre pressure of there mo ved
wheel.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (0013 page449)
R Tyre pressure table (0013 page 450) Re
moving the eme rgency spa rewheel The eme
rgency spare wheel is secured in the
emer gency spa rewheel bag in the boot. 0007
Obser vethe information on mounting tyres
(0013 page 458). 0007
Open the boot. 0007
Detach thefast ening stra ps. 0007
Unhook there taining spring hooks of thefa s‐
te ning stra ps from the brac kets. 0007
Remo vethe emer gency spa rewheel bag with
th e emer gency spa rewheel. 0007
Open the emer gency spa rewheel bag and
re mo vethe emer gency spa rewheel. Collapsible spa
rewheel Inflating
the collapsible emer gency spare
wheel 000E
NO
TEDama getothe collapsible spare
wheel when lo wering theve hicle Lo
we ring theve hicle without pr eviously
inflating the collapsible spare wheel can
damage its rim. 0007
Inflate the collapsible spare wheel using
th e tyre inflation compressor before
lo we ring theve hicle. 000E
NO
TEOverheating due tothe tyre infla‐
tion compressor running too long 0007
Do not runth e tyre inflation compres‐
sor for longer than eight minutes with‐
out inter ruption. Re
quirements:
R Obser vethe manufacturer's saf ety no tes on
th e tyre inflation compressor label and on
th e tyre sealant bottle.
R Mount the collapsible emer gency spa re
wheel as desc ribed (0013 page 466).
The collapsible emer gency spa rewheel must
be moun ted before it is inflated.
R Remo vethe tyre inflation compressor from
th estow age space under the boot floor
(0013 page 429). Wheels and tyres
469

0007
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe
lo w- reflection exterior aerial. 000E
NO
TEInva lidation of the operating per‐
mit due tofailure tocomply wi th the
instructions for ins tallation and use The operating permit may be in
validated if
th e instructions for ins tallation and use of
two-w ayradios are not obser ved. 0007
Only use appr oved frequency bands. 0007
Obser vethe maximum permissible out‐
put po wer in these frequency bands. 0007
Only use appr oved aerial positions. 1
Front roof area
2 Rear roof area
3 Rear wings
4 Boot lid
On vehicles with a panoramic sliding sunroof, fit‐
ting an ae rial to the front or rear roof area is not
permitted. On
there ar wings, it is recommended that you
fi t th e aerial on the side of theve hicle closest to
th e cent reofthero ad.
Use Tech nical Specification ISO/TS 21609 (Road
Ve hicles – "EMCs for ins tallation of af term arket
ra dio frequency transmitting equipment") when
re trofitting two-w ayradios. Comply with the
legal requirements for de tach able parts.
If yo ur vehicle has fittings for two-w ayradio
equipment, use the po wer supp lyand aerial con‐
nec tors prov ided in the pre-ins tallation. Be sure
to obser vethe manufacturer's supplements
when fitting.
Tw o-w ayradio transmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table. 472
Tech nical da ta

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 page 262). 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. 536
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 page 262). 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 537

Display messages
Possible causes/consequences and 0050
0050Solutions
Steering malfunction
Increased physical effort
See Owner's Manual 0007
If safe steering is possible, drive on carefully. 0007
Visit or consult a qualified specialist workshop immediatel y. 0007
If safe steering is possible, drive on carefully. 0007
Visit or consult a qualified specialist workshop immediatel y.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. 0007
Consult a qualified specialist workshop.
0083 *T
he bonnet is open. 000A
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. 0007
Never unlock the engine bonn etwhen driving. 0007
Before every trip, ensure that the engine bonn etis loc ked. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions. 0007
Close the bonn et.
0051 *A
t least one door is open. 0007
Close all doors.
0084 *T
he boot lid is open. Display messages and
warning/indicator lamps 539

Display messages
Possible causes/consequences and 0050
0050Solutions 000A
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. 0007
Alw ays switch off the engine before opening the boot lid. 0007
Never drive with the boot lid open. 0007
Close the boot lid.
00B2 Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. 0007
Top up thewa sher fluid (0013 page414). Cli
mate control Displ
aymessages
Possible causes/consequences and 0050
0050Solutions
003B *T
hestationary heater is temp orarily malfunctioning. 0007
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. 0007
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop. 540
Displaymessa ges and warning/indicator lamps

De-authorising (de-regis
tering) the
device .................................................. 391
Information .......................................... 389
Overview .............................................3 89
Sear ching for a track ........................... 391
Sear ching for and auth orisingthe
device .................................................. 390
Selecting a media pla yer ...................... 391
Switching device via NFC .................... 391
Boot box see EAS Y-PA CK boot box
Boot lid Activating/deactivating theta ilgate
opening limiter ...................................... 87
Closing .................................................. 83
HANDS-FREE ACCESS .......................... .85
Locking separa tely ................................ 86
Opening ................................................. 82
Opening dimensions ............................ 484
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes .................................................. 482 Brake
forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 207
Brakes ABS (Anti-lock Braking Sy stem) ........... 203
Ac tive Brake Assi st.............................. 208
Ad aptive brake lights .......................... .214
BA S (Brake Assi stSystem) .................. 204
Driving tips .......................................... 171
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 207
HOLD function .....................................2 30
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 171
New/replaced brakepads/brake
discs .................................................... 171
Ru nning-in no tes ..................................1 71
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 18
To w- starting ........................................ 444
To wing away ........................................ 440
Tr ansporting theve hicle ......................4 42
Wheel change ...................................... 462 Breakdown
see Flat tyre
Breakdown assistance call see Mercedes me connect
Bu rm ester ®
sur round sound sy stem .....4 04
Ad justing the balance/fader ............... 405
Ad justing the sound focus ................... 405
Ad justing treble, mid-range and bass
settings ............................................... 404
Au tomatic volume adjustment ............ .404
Calling up the sound menu .................. 404
Information .......................................... 404
Switching the sur round sound on/off
............................................................ .405
Buttons Steering wheel .....................................2 70 C
Call list Making a call ....................................... 357
Overview ............................................. 357
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 404 564
Index

Calls
.......................................................... 353
Ac cepting ............................................ 353
Ac tivating functions du ring a call ........ 353
Calls wi thseveral participants ............ .353
Declining ............................................. 353
Ending a call ........................................ 353
Incoming call during an existing call .... 354
Making ................................................ 353
Vi ath eove rhead control panel
(Mercedes me connect) ......................3 65
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ........................................4 15
Care .......................................................... 422
Air-water duct ...................................... 414
AIR PANEL ............................................ 420
Car wash ..............................................4 15
Carpet ................................................ .422
Decorative foil ...................................... 41 8Displ
ay................................................ 422
EAS Y-PA CK boot box ...........................4 22
Exterior lighting ................................... 420
High-p ressure cleaner .......................... 41 5
Matt finish ............................................ 417
Pa int wo rk ............................................. 417
Plastic trim .......................................... 422
Re alwo od/trim elements ...................4 22
Re versing camera ................................ 420
Ro of lining ...........................................4 22
Seat belt .............................................. 422
Seat co ver ........................................... 422
Sensors ............................................... 420
Ta ilpipes .............................................. 420
Tr ailer hit ch......................................... 420
Wa shing byhand ..................................4 16
Wheels/rims ....................................... 420
Wi ndo ws .............................................. 420
Wi per blades .......................................4 20
Carpet (Care) .......................................... .422
Changing bulbs ........................................ 14 5
Dipped beam ....................................... 14 6
Fitting/removing co ver (front wheel
ar ch ) .................................................... 14 6
Main beam .......................................... 14 6No
tes ................................................... 14 5
Opening/closing the side trim pan‐
els ........................................................ 147
Overview ............................................. 14 5
Re versing lights .................................. .147
Tu rn signal light (front) ........................ 14 6
Tu rn signal lights (rear) ........................ 147
Changing gears ........................................ 183
Manually ..............................................1 83
Changing hub caps ................................. 463
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 13 5
Cha rging
Bat tery (vehicle) .................................. 437
Chassis Damping characteristics ...................... 232
DY NA MIC BODY CONTROL .................. 232
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 312
Re ar door .............................................. 70
Re ar side wind ows................................. 71 Index
565