2021 MERCEDES-BENZ C-CLASS CABRIOLET suspension

R
driving with a high load
The tyre pressure loss warning sy stem is only an
aid. It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation and tocheck
it.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 396)
R Display messages about the tyres
(/ page 475)
Rest arting the ty repressure loss warning
sy stem
Requ irements:
R The recommended tyre pressure is cor rectly
set forth ere spective operating status on all
wheels.
Re start the tyre pressure loss warning sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. On-boa
rdcompu ter:
4 Service 5
Tyres #
Swipe down wards on Touch Control on the
left-hand side of thesteering wheel.
The Run Flat Indicator active Restart: press
Touch Control message is shown in the mul‐
tifunction displa y. #
Tobegin restart, press Touch Control on the
left-hand side of thesteering wheel.
The Tyre pressure now OK? message is
shown in the multifunction displa y. #
Select Yes. #
Toconfirm restart, press Touch Control on
th e left-hand side of thesteering wheel.
The Run Flat Indicator restarted message is
shown in the multifunction displa y.
Af teryo u ha vedriven for a few minutes, the
tyre pressu reloss warning sy stem monitors
th e set tyre pressures of all the tyres.
Be sure toalso pay attention tothefo llowing
re lated topic:
R Notes on tyre pressure (/ page 396) Wheel
change Note
s on selecting, fitting and replacing
tyres *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
WARNING Risk of inju rythro ugh incor‐
re ct sizes of wheels and tyres
If wheels and tyres of the wrong size are fit‐
te d, the wheel brakes or components in the
brake sy stem and in the wheel suspension
may be damaged. #
Alw aysre place wheels and tyres with
th ose that fulfil the specifications of the
original part.
Fo r wheels, pay attention tothefo llowing:
R Designation
R Type 400
Wheels and tyres

R
Furthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can
be highly beneficial.
R Only use tyres and wheels of the same type
(summer tyres, winter tyres, MOEx tended
tyres) and the same make.
R Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral operating pe rmit.
R Vehicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
R Attemp eratures below 7 °C use winter tyres
or all-season tyres mar kedi M+Sfor all
wheels. Wi
nter tyres pr ovide the best possible grip in
wintry road conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres fitted.
If th e tyre's maximum speed is below that of
th eve hicle, this must be indicated byan
appropriate label in the driver's field of
vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear.
R When replacing with tyres that do not
fe ature run-flat characteristics: vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres. %
You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(/ page 179).
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 396)
R Tyre pressure table (/ page 397)
R Notes on the emer gency spa rewheel
(/ page 410) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. Wheels and tyres
403

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 Height when opened Model
1
1Height
when
opened
All models Ve
hicle dimensions All models
Ve
hicle lengt h4 686 mm
Ve hicle width including out‐
side mir rors 20
16 mm
Ve hicle width excluding out‐
side mir rors 18
10 mm
Wheelbase 2840 mm Ve
hicle height Model
C 200 4MATIC
C 220 d 4MATIC
C 300 4MATIC
C 400 4MATIC
14
16 mm
All other models 1409 mm 426
Tech nical da ta

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Fu nction of Active Brake Assi st (/ page 189).
ä Suspension warning lamp
(yellow) *T
he yellow AIRMATIC warning lamp is lit.
The yellow DYNA MIC BODY CONTROL warning lamp is lit.
A fault has occur red in AIRMATIC.
A fault has occur red in theDY NA MIC BODY CONTROL. #
Notethe messages on the multifunction displa y.Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp *T
he yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking. Display messages and
warning/indicator lamps 495

Ad
justing treble, mid-range and bass
setting s................................................. 353
Calling up the sound menu.................... 353
Information............................................ 353
Switching volume adjustment on/of f.... 353
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 13 3
Air inlet see Air-water duct
Air pressu re
see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 13 5
Ad justing (rear)..................................... .135
Ad justing the AIRSCARF vents............... 13 6
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control Air-recirculation mode..............................
13 4
Air-water duct Keeping free.......................................... 362
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 44
Head airba g............................................. 44
Ins tallation locations.............................. .44
Knee airbag............................................ .44
Overview................................................. 44
PA SSENGER AIR BAG indicator lamp....... 49
Pr otection................................................ 45
Re duced pr otection.................................46
Side airba g.............................................. 44
AIR CAP
Ac tivating................................................ 84
Deactivating............................................ 84
Airflow Setting................................................... 13 3
AIRM ATIC
Setting.................................................. .202
Suspension............................................ 201
AIRSCARF Adjusting the outlets............................. 13 6Switching on/of
f................................... 105
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 127
Android Auto
Connecting a mobile phone (wireless).. .312
Ending.................................................... 312
Information............................................ 312
Overview................................................3 11
Sound settings....................................... 312
Tr ans ferred vehicle data........................3 13
Animals Pets in theve hicle................................... 71
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains 502
Index

Fu
nction................................................. 167
St anding lights........................................... 11 9
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle................................. 161
St arting theve hicle...............................1 38
Switching on the po wer supply or
ignition.................................................. 137
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline)...................... 13 9
St arting
see Vehicle
St arting assi stance
see Jump -sta rt connection
St arting-o ffaid
see Hill Start Assist
St ation
Deleting................................................. 342
Direct frequency entr y.......................... 342
Fr equency fix......................................... 343 Moving.................................................. 342
Sea
rching..............................................3 42
Setting................................................... 341
St oring..................................................3 42
St ation list
Calling up.............................................. 342
St ation presets
Managing.............................................. 342
St ation tracking
Setting................................................... 343
ST EER CONT ROL
Fu nction/no tes...................................... 172
Ste ering wheel
Ad justing (electrically)........................... 106
Ad justing (manually). ............................. 106
Buttons.................................................. 228
Ca re...................................................... 369
Ope rating the memory function.............1 10
St eering wheel heater............................ 107
Ste ering wheel gearshift paddles............ 15 3
Ste ering wheel heater
Ac tivating/deactivating......................... 107St
ow age areas
see Loading
see Stow age space
St ow age comp artments
see Loading
see Stow age space
St ow age space
Armrest.................................................. 11 2
Centre console....................................... 11 2
Door....................................................... 11 2
Glo vecompa rtment............................... 11 2
Sulphur content......................................... 41 8
Sur round lighting
Setting................................................... 12 6
Sur round View
see 360° Camera
Suspension Setting the suspension le vel (AIR‐
MATIC)................................................. .202
Suspension see AIRMATIC
Suspension le vel (AIRMATIC)
Setting................................................... 202 530
Index

Wa
rning triangle
Re moving............................................... 372
Setting up.............................................. 373
Wa rning/indicator lamp
! ABSwarning lamp....................... .495
J Brake sy stem warning lamp
(red)...................................................... 493
J Brake sy stem warning lamp
(yellow).................................................. 493
ÿ Coolant warning lamp................. .489
! Electric parking brake indicator
lamp (red).............................................. 492
# Electrical fault warning lamp....... .491
; Engine diagnosis warning lamp... .491
å ESP®
OFF warning lamp.............. .497
÷ ESP®
wa rning lamp..................... .496
8 Fuelreser ve wa rning lamp
lights up................................................ 492
Ù Powe rst eering warning lamp
(red)...................................................... 488 6
Restra int sy stem warning lamp... .487
ü Seat belt warning lamp................ 487
ä Suspension warning lamp (yel‐
low)....................................................... 495
! The elect ric pa rking brake (yel‐
low) indicator lamp............................... .492
ï Trailer tow hit chwarning lam p..... 489
h Tyre pressure monitoring sys‐
te m wa rning lamp................................. .498
L Warning lamp for dis tance
wa rning function................................... .494
Overview............................................... 485
Wa rning/indicator lamps
PA SSENGER AIR BAG.............................. 49
Wa rranty ...................................................... 32
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care)............................ 364
Wa ter tank
see Air-water duct We
ather information ................................. 295
What3words Destination entry with a 3 word
address................................................. 275
Wheel change
Fitting a new wheel............................... 408
Lo we ring theve hicle.............................4 09
Prepa ration.......................................... .405
Ra ising theve hicle................................4 06
Re moving a wheel................................. 408
Re moving/fitting hub caps................... .405
Wheel change
see Emergency spa rewheel
Wheel rotation .......................................... .403
Wheels Care ...................................................... 368
Checking............................................... 395
Checking the tyre pressure (tyre
pressure monitoring sy stem)................. 398
Fitting.................................................... 408
Flat tyre.................................................3 74
Inter changing....................................... .403
MOExtended tyres................................. 375
Noise.....................................................3 95 Index
537