2021 MERCEDES-BENZ C-CLASS CABRIOLET washer fluid

4
° Continuous wiping, slow
5 ¯ Continuous wiping, fast #
Turn the combination switch tothe cor re‐
sponding position 1-5. #
Single wipe/washing: pushthe button on
th e combination switch in the direction of
ar row 1.
R í Single wipe
R î Wiping with washer fluid Re
placing the windsc reen wiper blades &
WARNING Risk of becoming trapped if
th e windscreen wipers are switched on
while wiper blades are being replaced
If th e windscreen wipers begin tomo vewhile
yo u are changing the wiper blades, you can
be trapped bythe wiper arm. #
Alw ays switch off the windscreen wip‐
ers and ignition before changing the
wiper blades. Moving
the wiper arms into there placement
position #
Switch the ignition on and then off again
immediatel y. #
Within around 15seconds, press and hold
th eî button on the combination switch
fo r appro ximately thre e seconds
(/ page 127).
The wiper arms will mo veinto there place‐
ment position.
Re moving the wiper blades #
Foldthe wiper arms away from the wind‐
screen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade away from
th e wiper arm in the direction of ar row 1 as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm
in the direction of ar row4. 12 8
Light and sight

#
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
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. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher fluid.
% Further information about the windscreen
wa sher fluid (/ page 425) Ke
eping the air-water duct free #
Keep the area between the bonn etand the
windscreen free of deposits, e.g. ice, sn ow
and lea ves. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. 362
Maintenance and care

+
ENVIRONMENTAL
NOTEEnvironmental
pollution due todisposing of operating
fl uids in a non-environmen tally responsi‐
ble manner Operating
fluids include thefo llowing:
R fuels
R exhaust gas af tertre atment additives, e.g.
Ad Blue ®
R lubricants
Incor rect disposal of ope rating fluids can
cause considerable damage tothe environ‐
ment. #
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.
The operating fluids appr ovedby Mercedes-Benz
can be identified 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 flu‐
ids:
R inthe Mercedes-Benz Specifications for
Operating Fluids byentering the designation
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a qualified specialist workshop &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
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: Te
ch nical da ta417

*
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use coolant appr ovedby
Mercedes-Benz. #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop.
Proportion of antifreeze concentrate in the
engine cooling sy stem:
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
(/ page 416). &
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. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. *
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. #
Only use windscreen washer fluids
which are also suitable for use on plas‐ tic sur
faces, e.g. MB SummerFit or MB
Wi nterFit. *
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids #
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water.Other‐
wise, thefill le vel sensor may be triggered er ro‐
neously.
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 washer fluid with windsc reen washer fluid all
ye ar round. Te
ch nical da ta425

Display messages
Possible causes/consequences and M
MSolutions
_ Rear left seat backrest not
locked (Example) *T
he seat backrest of the cor responding seat is not engaged. #
Foldthe seat backrest back until it engages.
_ Front left seat backrest not
locked (exa mp le) *T
he seat backrest of the cor responding front seat is not engaged. #
Foldthe seat backrest back until it engages.
¥ Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid (/ page 361). Display messages and
warning/indicator lamps 445

É
Stop vehicle Vehicle too low......... 465
ç suspended...................................4 58
: Switch off lights ........................... 439
: Switch on headla mps................... 439
K Top lo wering................................. 436
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 480
+ Top up coolant See Owner ’s
Manual.................................................. 446
¥ Top up washer fluid ...................... 445
! Turn on the ignition torelease
th e parking brake..................................4 55
d Vehicle is operational Switch
off ignition before exiting....................... 441
É Vehicle rising Please wait............ .466
É Vehicle rising................................4 66
h Warning tyre defect..................... .477
h Wheel sensor(s) missing ...............476
K While stationar y,apply the
brakes before operating the soft top.....4 36 Ø
XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ .481
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........462
Ac tive Blind Spot Assi stinope rative ...... 462
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 463
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 443
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........470
Ac tive Brake Assi stFunctions limited
See Owner's Manual.............................. 471
Ac tive Dis tance Assi stavailable again ...4 59
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........458
Ac tive Dis tance Assi stinope rative ........ 458 Ac
tive Lane Keeping Assist Camera
view restricted See Owner's Manual..... 463
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........463
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 463
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 60
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........459
Ac tive Steering Assist inoperative ......... 459
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual.................................................. 440
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 440
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .440 Index
511

see PRE-SAFE
®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Oil see Engine oil
On-board computer Displaying the service due dat e............. 354
Head-up displ aymenu........................... 231
Multifunction display............................. 229
Operating.............................................. 228
Overview of menus................................ 228
On-board diagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics................................. 412
No tes..................................................... 412
Tw o-w ayradios...................................... 412
Online services Data storage............................................ 35
Open-source software................................ 36
Operating fluids AdBlue ®
................................................. 421 Ad
ditives (fuel)....................................... 419
Brake fluid............................................. 424
Coolant (engine).................................... 424
Engine oil............................................. .422
Fu el (diesel)...........................................4 19
Fu el (petrol)...........................................4 18
No tes..................................................... 416
Wi ndsc reen washer fluid...................... .425
Operating saf ety
48 V on-boa rdelectrical sy stem.............. 23
Declaration of confo rmity (elect ro‐
magnetic compatibility)........................... 25
Declaration of conformity (jack).............. 28
Declaration of conformity (TIREFIT kit).... 29
Declaration of conformity (wire less
ve hicle components)...............................25
EQ Boo sttech nology............................... 23
Information.............................................. 23
Ope rating sy stem
see On-board computer
Optimised acceleration Activating............................................... 141
Outside mir rors
Anti-dazzle mode (automatic)................ 131Au
tomatic mir rorfo lding function......... .132
Fo lding in/out....................................... 13 0
Operating the memory function............. 11 0
Pa rking position..................................... 131
Setting................................................... 13 0
Overhead control panel Overview.................................................14
Owner's Manual Vehicle equipment................................... 23
Owner's Manual (digital)............................ 20 P
Pa int code .................................................. .414
Pa intwork (cleaning instructions) ...........364
Park position
Inserting................................................ 15 2
Selecting au tomatical ly......................... 15 2
Park ing
see Electric parking brake
Park ing aid
see Parking Assist PARKTRONIC
Park ing Assist PARKTRONIC
Ac tivating............................................... 213524
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