ignition MERCEDES-BENZ C-CLASS SALOON 2018 Repair Manual

0007
Pull plug 5and thefiller hose out of the
tyre inflation compressor housing. 0007
Unscr ew the cap from theva lve on the col‐
lapsible emer gency spa rewheel. 0007
Screw union nut 1ofthefiller hose onto
th eva lve.
If necessar y,unscr ewthe plug-type connec‐
tion from the union nut beforehand. 0007
Make sure on and off switch 2ofthe tyre
inflation compressor is set to0. 0007
Insert plug 5in a soc ket in your vehicle.
R Cigar ette lighter soc ket: ( 0013 page130)
R 12V soc ket:
R Obser vethe no tes on the cigar ette lighter:
(0013 page130)
R Obse rveth e no tes on soc kets: 0007
Turn theke yto position 0047inthe ignition
loc k. 0007
Press on and off switch 2onthe tyre infla‐
tion compressor toI.
The tyre inflation compressor is switched on.
The tyre is inflated. The tyre pressure is
shown on manome ter3. 0007
Pump the tyre tothe specified tyre pressure.
The specified tyre pressure is printed on the
ye llow label of the emer gency spa rewheel. 0007
When the specified tyre pressure has been
re ached, press on and off swit ch2 onthe
tyre inflation compressor to0.
The tyre inflation compressor is switched off. 0007
Turn theke yto position 005Ainthe ignition
loc k. 0007
Ifth e tyre pressure is higher than the speci‐
fi ed pressure, press pressure release valve
bu tton 4until the cor rect tyre pressure has
been reached. 0007
Unscr ew union nut 1ofthefiller hose from
th eva lve.
If necessar y,scr ew the plug-type connection
back onto the union nut. 0007
Screw theva lve cap onto the collapsible
emer gency spa rewheel valve again. 0007
Stow plug 5and thefiller hose in the lo wer
section of the compressor housing. 0007
Stow th e tyre inflation compressor in the
ve hicle. 47 0
Wheels and tyres

000F
ENVIRONMENTAL
NOTEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal 0007
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thefo llowing:
R fuels
R DeNOx agent AdBlue ®
forex haust gas af ter‐
treatment
R lubri cants
R coolant
R brake fluid
R windsc reen washer fluid
R climate cont rol sy stem refrigerant
Only use products app rove dby Mercedes-Benz.
Damage caused bythe use of products that ha ve
not been appr oved is not co veredby the
Mercedes-Benz warranty or goodwill gestures.
Yo u can identify operating fluids appr ovedby
Mercedes-Benz bythefo llowing insc ript ions on
th e conta iner: R
MB- Freigabe (e.g. MB-Fr eigabe 229.51 )
R MB-Appr oval (e.g. MB-App rova l 229.51)
Fu rther information on appr oved operating fluids
is available at thefo llowing locations:
R inthe Mercedes-Benz Specifications for
Operating Fluids byentering the designation
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a qualified specialist workshop 000A
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. 0007
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. 0007
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. 000A
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. 0007
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. 0007
Do not inhale fuel vapour. 0007
Keep children away from fuel. 0007
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: 0007
Immediately rinse fuel off your skin with
soap and water. 0007
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. 0007
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. 476
Tech nical da ta

0007
Chan geimmediately out of clo thing that
has come into con tact wi thfuel. Fu
el Information on fuel
grades forve hicles with
petrol engines
Obser vethe no tes on operating fluids
(0013 page475).
000E NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. 0007
Only refuel using unleaded, sulphu r-free
fuel that con form sto European EN 228,
or an equi valent specification.
Fu el of this specification may con tain up to
10 %ethanol by volume. Your vehicle is suita‐
ble for use with E10 fuel. Ne
verre fuel with one of thefo llowing fuels:
R diesel
R regular petrol with an octane number
lo we rth an 91 RON
R petrol with more than 10%ethanol byvol‐
ume, e.g. E15, E20, E85, E100
R petrol with more than 3% me thanol by
vo lume, e.g. M15, M30
R petrol with additives con taining me tal
If yo u ha veacciden tally refuelled with the
wrong fuel: 0007
do not swit chon the ignition. 0007
consult a qualified specialist workshop. The
following compatibility indications for fuel
apply to yourvehicle: 1
For petrol with maximum 5% ethanol byvol‐
ume
2 For petrol with maximum 10%ethanol by vol‐
ume
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R onthe instruction label on the fuel filler flap
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe
If th eav ailable fuel is not suf ficiently low in sul‐
phu r,th is can produce unpleasant odours. Te
ch nical da ta477

Ne
verre fuel with one of thefo llowing fuels:
R petrol
R marine diesel
R heating oil
R pure bio-diesel fuel or vege table oil
R paraf fin or kerosene
If yo u ha veacciden tally refuelled with the
wrong fuel: 0007
Do not swit ch the ignition on. 0007
Consult a qualified specialist workshop. The
following compatibility indication for fuel
applies to yourvehicle: 1
For diesel fuel with a maximum of 7% byvol‐
ume bio-diesel (fatty acid me thyl es ter)
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R onthe instruction label on the fuel filler flap
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe
Information on low outside temperatures
Re fuel your vehicle with as much winter diesel
fuel as possible at the beginning of winter.
Before changing overto winter diesel fuel, the
fuel tank should be em pty, if possible. When first re
fuelling with winter diesel fuel, only refuel
using a small amount, e.g. toreser veleve l. The
fuel tank can be filled as usual when next refuel‐
ling.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Ta nk content and fuel reser ve
The total capacity of the fuel tank may vary,
depending on theve hicle equipment. Te
ch nical da ta47 9

Display messages
Possible causes/consequences and 0050
0050Solutions
0024 Turn on the ignition to
release the parking brake *
The red0024 indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. 0007
Switch the ignition on.
0024 Parking brake See Owner's
Manual *
The yellow 0024 indicator lamp is lit. The elect ric pa rking brake is malfunctioning.
To appl y: 0007
Switch off the ignition and switch it back on. 0007
Apply the electric parking brake manually (0013 page 200).
If it is not possible toapply the electric parking brake: 0007
Consult a qualified specialist workshop. 0007
Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow 0024 indicator lamp and there d0024 indicator lamp are lit. The elect ric pa rking brake is malfunction‐
ing.
To release: 0007
Swit choff the ignition and switch it back on. 0007
Release the electric parking brake manually (0013 page 200).
or 0007
Release the electric parking brake automatically (0013 page199). 492
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
If it is still not possible torelease the electric parking brake: 0007
Do not continue driving under any circums tances. Consult a qualified specialist workshop.
The yellow 0024 indicator lamp is lit and there d0024 indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. 0007
Swit choff the ignition and switch it back on.
To appl y: 0007
Release and then apply the electric parking brake manually (0013 page 200).
To release: 0007
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d0024 indicator lamp continues toflash: 0007
Do not continue driving under any circum stances. Consult a qualified specialist workshop. 0007
Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow 0024 indicator lamp is lit and there d0024 indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th e bat tery charge leve l is too lo w: 0007
Char gethe batter y. Displ
aymessa ges and warning/indicator lamps 493

Display messages
Possible causes/consequences and 0050
0050Solutions
To appl y: 0007
Switch off the ignition.
The electric parking brake is applied automaticall y.
If th e electric parking brake should not be applied, e.g. when washing theve hicle in an automatic car wash or when
having theve hicle towe d, lea vethe ignition switched on. This does not include having theve hicle towe d with the
re ar axle raised.
If th e electric parking brake is not applied automatically: 0007
Switch off the ignition and switch it back on. 0007
Release and then apply the electric parking brake manually (0013 page 200).
If it is still not possible toapply the electric parking brake: 0007
Consult a qualified specialist workshop. 0007
Where necessar y,also safeguard the par kedve hicle against rolling away.
To release: 0007
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (0013 page 200).
If it is still not possible torelease the electric parking brake: 0007
Do not continue driving under any circums tances. Consult a qualified specialist workshop. 494
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Mercedes me connect
Services limited See Own-
er's Manual *S
ervice limited.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. 0007
Obser vethe no tes on the diagnostics connection (0013 page 26). 0007
Consult a qualified specialist workshop.
0053 Inoperative *A
t least one main function of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is malfunc‐
tioning. 0007
Consult a qualified specialist workshop.
0075 Front left malfunction Con-
sult workshop (Example) *T
he cor responding restra int sy stem is faulty (0013 page 33). 000A
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. 0007
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 0075does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 0075lights up continuously or repeatedly during a journe y.502
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits (0013 page 208). 0007
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. 0007
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
0075
Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (0013 page 33). 000A
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. 0007
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 0075does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 0075lights up continuously or repeatedly during a journe y. Displ
aymessa ges and warning/indicator lamps 503

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Wait until the engine has cooled down. 0007
Make sure 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
th e coolant temp erature display remains below 120 °C.
00D7
Please wait Charging high-
voltage battery *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. 0007
Start the engine. 0007
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: 0007
Tryto start the engine again. 0007
Ifth e engine does not start, consult a qualified specialist workshop.
003D
48 V battery See Owner's
Manual *T
he 48 V sy stem is malfunctioning. Con venience functions may be restricted. 0007
Consult a qualified specialist workshop immediatel y.518
Displaymessa ges and warning/indicator lamps