lock MERCEDES-BENZ C-CLASS CABRIOLET 2018 Repair Manual

Installing
theto wing eye 0007
Press the mark on co ver1 inwa rds and
re mo ve. 0007
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.
0009 Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
000E NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. 0007
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
000E NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. 0007
Vehicles with automatic transmission
must not be tow- star ted. 0007
Vehicles with automatic transmission must
not be tow- star ted.
Ve hicles with manual transmission 0007
Obser vethe no tes on towing away
( 0013 page 423). 0007
If necessar y,allow the engine and exhaust
sy stem tocool down. 0007
Switch the ignition on. 0007
Enga gesecond gear. 0007
Release the electric parking brake. 0007
Tow- start theve hicle while the clutch pedal
is fully depressed. 0007
Slowly release the clutch pedal. 0007
Immediately shift toneutral if the engine
st arts. 0007
Pull over and stop theve hicle, paying atten‐
tion toroad and traf fic conditions. 0007
Remo vetheto w bar. Breakdown assis
tance 427

R
The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. 0007
Apply the electric parking brake manually. 0007
Movethe front wheels tothest ra ight-ahead
position. 0007
Vehicles with manual transmission:
engage firs t or reve rsege ar. 0007
Vehicles with automatic transmission:
shift into position 005D.0007
Vehicles with le vel control sy stem: setthe
normal vehicle le vel (0013 page215). 0007
Switch off the engine. 0007
Make sure that the engine cann otbe star ted. 0007
Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel you wish tochange. 0007
Remo vethe hub caps if necessary
(0013 page446). 0007
Raise theve hicle (0013 page447). Re
moving and fitting hub caps Re
quirements:
R The vehicle is prepared for a wheel change
(0013 page445).
Plas tic hub cap 0007
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. 0007
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. 0007
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly. Aluminium hub cap 0007
Toremo ve:position soc ket2 on hub cap
1.
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. 446
Wheels and tyres

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 page445).
R The hub caps ha vebeen remo ved
( 0013 page446).
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. Wheels and tyres
447

Po
sition of jack support points
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. 000A
WARNING Risk of inju ryfrom incor rect
positioning of the jack
If yo u do not position the jack cor rectly at
th e appropriate jacking point of theve hicle,
th e jack could tip with theve hicle raised. 0007
Only position the jack at the appropri‐
ate jacking point of theve hicle. The
base of the jack must be positioned ver‐ tically under
the jacking point of the
ve hicle. 000E
NO
TEVehicle damage from the jack If
yo u do not position the jack cor rectly at
th e appropriate jack support point of the
ve hicle, the jack could tip over with theve hi‐
cle raised. 0007
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. 0007
Position jack 2at jack support point 1. 0007
Turn crank 3clockwise until jack 2sits
compl etely on jack support point 1and the
base of the jack lies evenly on the ground. 0007
Turn crank 3until the tyre is raised a maxi‐
mum of 3 cm from the ground. 0007
Loosen and remo vethe wheel
(0013 page449). 448
Wheels and tyres

The proportion of cor
rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
R a minimum of 50% (antifreeze pr otection
down toappr oximately -37 °C)
R a maximum of 55% (antifreeze pr otection
down to-45 °C) Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(0013 page 458). 000A
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. 0007
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. 000E
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. 0007
Only use windscreen washer fluids
which are also suitable for use on plas‐
tic sur faces, e.g. MB SummerFit or MB
Wi nterFit. 000E
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids 0007
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water asthefill
le ve l sensor may be triggered er roneously.
Re commended windscreen washer fluid:
R Abo vefreezing point: e.g. MB SummerFit
R Below freezing point: e.g. MB WinterFit Fo
rth e cor rect mixing ratio, referto the informa‐
tion on the antif reeze conta iner.
Mix thewa sher fluid with the windscreen washer
fl uid all year round. Ve
hicle data Ve
hicle dimensions The heights speci
fied may vary as a result of the
fo llowing factors:
R tyres
R load
R condition of the suspension
R optional equipment Te
ch nical da ta467

Saf
ety sy stems Display messages
Possible causes/consequences and 0050
0050Solutions
00E5 currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. 000A
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. 0007
Drive on carefull y. 0007
Have ESP ®
ch ecked at a qualified specialist workshop. 0007
Carefully drive on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. 0007
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
Brake immediately *
Ve hicles with manual transmission: a malfunction has occurred while the HOLD function was activated.
A tone may also sound at regular inter vals. If you attem pttolock theve hicle, theto ne will become louder.
Yo u cannot start the engine. 0007
Immediately depress the brake pedal firm lyuntil the display message disappears.
Yo u can restart the engine. 472
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0024 Release parking brake *
The red0024 indicator lamp flashes.
The electric parking brake is applied while you are driving:
R A condition for auto matic release of the electric parking brake is not fulfilled (0013 page180).
R You are per form ing emer gency braking using the electric parking brake (0013 page182). 0007
Che ckthat the conditions for auto matic release of the electric parking brake are fulfilled. 0007
Release the electric parking brake manually.
007A
0025
00E5
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 000A
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Consult a qualified specialist workshop immediatel y.476
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Clean all senso rs (0013 page 403). 0007
Restart the engine.
0025
00E5
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be temp orarily una vailable.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. 000A
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. 478
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Carefully drive on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. 0007
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
0025
00E5
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. 000A
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 47 9

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Tocontinue your journe y,shift the transmission toposition 005Bor005E.
Only select Park (P) when
vehicle is stationary *
The transmission can only be shif tedto position 005Dwhen theve hicle is stationar y.
Risk of vehicle rolling
Driver door open and trans-
mission not in P *
The driver's door is not fully closed and the transmission is in position 005E,005Cor005B. 0007
Shift the transmission toposition 005Dwhen you park theve hicle.
Apply brake to select R *
You ha vetried toswitch totransmission position 005E. 0007
Dep ress the brake pedal. 0007
Shift the transmission toposition 005E.
0044 Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmissions: the electric steering lock was unable tounlo ck th esteering. 0007
Switch off the ignition. 0007
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. 0007
Switch the ignition back on.
00CC Steering malfunction See
Owner's Manual *
Ve hicles with manual transmissions: the electric steering lock is malfunctioning. The steering may be loc kedby
th e electric steering loc k. 508
Display messages and warning/indicator lamps