seats MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

Symbols
........................................................ 5At
agl ance .................................................... 6
Cockpit ........................................................... 6
Indica tor and warning lamps (s tandard) ........ 10
Indicator and warning lamps (widesc reen
cockpit) ......................................................... 12
Overhead contro l panel ................................ 14
Door operating unit and seat adjustment ..... 16
Emergencies and breakdowns ...................... 18Digital Owner's Manual
.............................20
Calling up the Digital Owner's Manual ..........20 Genera
l notes............................................. 21
Pr otection of the environment ......................21
Ta ke -ba ckof end-of-life vehicles ...................21
Mercedes-Benz GenuineParts ....................... 22
Owner's Manual ...........................................23
Operating saf ety .......................................... .23
Declaration of conformity ............................. 25
Diagno stics connection ................................ 29
Qualified specialist workshop ....................... 31Ve
hicle registration ....................................... 31
Cor rect use of theve hicle ............................. 31
Information on the REA CHregulation ........... 31
No tesfo r persons with electronic medi‐
cal aids ......................................................... 32
Implied warranty .......................................... .32
QR code forre scue card ...............................33
Data storage .................................................33
Copyright ...................................................... 36 Occupant saf
ety......................................... 37
Re stra int sy stem ...........................................37
Seat belts ..................................................... 39
Airbags ......................................................... 44
Ro ll bar ........................................................ .51
PRE-SAFE ®
sy stem ....................................... 52
Safely transporting children in theve hi‐
cle ................................................................53
No tes on pets in theve hicle .......................... 71 Opening and closing
.................................. 72
Ke y .............................................................. .72
Doo rs............................................................ 75
Boot .............................................................. 80 Soft
top .........................................................81
Side windo ws............................................... 88
Anti-theft pr otection .....................................92 Seats and
stowing ..................................... 95
No tes on the cor rect driver's seat posi‐
tion ............................................................... 95
Seats ............................................................ 96
St eering wheel ............................................ 106
Easy entry and exitfeature ........................ .107
Memory function ........................................1 09
St ow age areas ............................................ .110
Soc kets ....................................................... 11 5
Wi reless charging of the mobile phone
and connection with theex terior aerial .......1 16
Fitting/removing thefloor mats .................. 11 8 Light and sight
.......................................... 11 9
Exterior lighting ........................................... 11 9
Interior lighting ........................................... 12 6
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 127
Mir rors ........................................................ 13 02
Contents

1
Operates the memory function →
11 0
2 Adjusts the seats electrically →
99
3 Switches the seat heating on/off →
103
4 Switches the seat ventilation on/o ff →
104
5 Switches AIRSCARF on/off →
105
6 Operates the outside mir rors →
13 0
7 Opens the boot lid →
80
8 Opens/closes theright side window →
88
9 Opens/closes the left side window →
88
A Opens/closes there ar right side window →
88
B Opens/closes there ar left side wind ow→
88
C Opens the door →
76 D
Locks/unloc kstheve hicle →
76
E Adjusts the seat fore -and-aft position →
98
F Only vehicles with Seat Comfort Package:
adjusts the seat cushion length →
98
G Adjusts the 4-w aylumbar support →
99
H Seat adjustment using the multimedia sy stem →
101
I Adjusts the head restra ints →
99
J Only vehicles with Seat Comfort Package:
adjusts the seat cushion inclination →
98
K Adjusts the seat height →
98
L Adjusts the seat backrest inclination →
98 At
aglance – Door operating unit and seat adjustment 17

Mercedes-Benz GenuineParts
+ ENVIRONMENTAL
NOTEEnvironmental
dama gecaused bynot using recycled
re conditioned components Mercedes‑Benz
AGoffers recycled recondi‐
tioned components and pa rts with the same
qu ality as new parts. The same entitlement
from the implied warranty is valid as for new
parts. #
Recycled reconditioned components
and pa rts from Mercedes‑Benz AG.*
NO
TEImpairment of the operating ef fi‐
ciency of there stra int sy stems from
ins talling accessory parts or from repairs
or we lding Airbags and seat belt
tensioners, as well as
control units and sensors forth ere stra int
sy stems, may be ins talled in thefo llowing
areas of your vehicle:
R doors R
door pillars
R door sills
R seats
R cockpit
R instrument clus ter
R centre console
R late ra lro of frame #
Do not ins tall accessory parts such as
audio sy stems in these areas. #
Do not car ryout repairs or welding. #
Have accesso ries retrofitted at a quali‐
fi ed specialist workshop. Yo
u could jeopardise the operating saf ety of your
ve hicle if you use parts, tyres and wheels as well
as accessories releva nt tosaf ety which ha venot
been appr ovedby Mercedes-Benz. Saf ety-re le‐
va nt sy stems, e.g. the brake sy stem, may mal‐
function. Only use Mercedes-Benz GenuineParts
or parts of equal qualit y.Only use tyres, wheels
and accessories that ha vebeen specifically
appr ovedfo ryo ur vehicle model. Mercedes-Benz
tests original parts and con ver‐
sion parts and accessories that ha vebeen spe‐
cifically appr ovedfo ryo ur vehicle model forth eir
re liability, saf ety and suitabilit y.Despite ongoing
ma rket resear ch, Mercedes-Benz is unable to
assess other parts. Mercedes-Benz therefore
accepts no responsibility forth e use of such
parts in Mercedes-Benz vehicles, even if they
ha ve been of ficially appr oved or independently
appr ovedby ate sting centre.
Cer tain parts are only of ficially appr ovedfor
ins tallation or modification if they comply wi th
legal requirements. All Mercedes-Benz Genuine‐
Pa rts meet the appr oval requ irements. The use
of non-appr oved parts may in validate theve hi‐
cle's general operating pe rmit.
This is the case in thefo llowing situations:
R theve hicle type is dif fere nt from that for
which theve hicle's general operating pe rmit
wa s granted.
R other road users could be endangered.
R theex haust gas or noise le velge ts wo rse. 22
General no tes

th
e REA CHregulation (Regulation (EC) No.
19 07 /2006, Article 33) stipulates a duty tosup‐
ply information about subs tances of very high
concern (SVHCs).
Mercedes‑Benz AGacts tothe best of its know l‐
edge toprev ent these SVHCs from being used
and toenable cus tomers tosafely handle these
subs tances. The reare SVHCs known to
Mercedes‑Benz AG, according tosupplier infor‐
mation and internal product information, found
in individual co mponents of this vehicle in quan‐
tities of over 0.1 percent byweight.
Fu rther information can be obtained at thefo l‐
lowing addresses:
R https://reach.daimler.com/de/home/
R https://reach.daimler.com/en/home/ Note
sfo r persons with electronic medical
aids
Me rcedes-Benz AGcannot, despi tecarefully
de veloping vehicle sy stems, comple tely rule out
th e interaction of vehicle sy stems with electronic
medical aids such as cardiac pacemakers. In addition,
there are components ins talled in
th eve hicle that, rega rdless of the operating sta‐
tus of theve hicle, can generate magnetic fields
on a par with permanent magnets. These fields
can be found, forex ample, in the area around
th e multimedia and sound sy stem or also in the
area of the seats, depending on theve hicle
equipment.
Fo rth is reason, thefo llowing can occur in isola‐
te d cases, depending on the aids used:
R Medical aids malfunctioning
R Adverse health ef fects
Obser vethe no tes and warnings of the manufac‐
turer of the medical aids; if in doubt, conta ctthe
device manufacturer and/or your doc tor.If th ere
is continuing uncer tainty concerning the possi‐
bility of medical aids malfunctioning, Mercedes-
Benz AGrecommends using only few electrical
ve hicle sy stems and/or maintaining a dis tance
from the components.
Only ha verepairs and maintenance workinthe
area of thefo llowing components car ried out by
a qu alified specialist workshop:
R vehicle components car rying live voltage R
transmission aerials
R multimedia sy stem and sound sy stem
If yo u ha veany queries or suggestions, consult a
qu alified specialist workshop. Implied
warranty
* NO
TEDama getotheve hicle arising
from violation of these operating instruc‐
tions. Damage
totheve hicle can arise from viola‐
tion of these operating instructions.
This damage is not co vered either bythe
Mercedes-Benz implied warranty or bythe
New‑ or Used- Vehicle Warrant y. #
Follow the instructions in these operat‐
ing instructions on proper operation of
yo ur vehicle as well as on possible vehi‐
cle damage. 32
General no tes

R
There are no objects between the seat, door
and door pillar (B-pillar).
R There are no hard objects, e.g. coat hangers,
hanging on the grab handles or coat hooks.
R There are no accessory parts, such as mobile
navigation devices, mobile phones or cup
holders, within the deployment area of an air‐
bag, e.g. on the cockpit, on the door, on the
side window or on the side trim.
In addition, no connecting cables, tensioning
st ra ps or retaining stra ps must be routed or
attached totheve hicle within the deploy‐
ment area of an airbag. Alw ays comply with
th e accessory manufacturer's ins tallation
instructions and, in particular, the no tes on
suitable places for ins tallation.
R There are no heavy, sharp-edged or fragile
objects in the poc kets of your clo thing. Store
such objects in a suitable place. Limited pr
otection pr ovided byairbags &
WARNING Risk of inju rydue tomodifi‐
cations tothe co ver of an airbag
If yo u modify the co ver of an airbag or af fix
objects such as sticke rs to it,the airbag may
no longer function cor rectl y. #
Never modify the co ver of an airbag and
do not af fix objects toit. The ins
tallation location of an airbag is identified
by the AIRB AGsymbol (/ page44). &
WARNING Risk of inju ryor death due to
th e use of unsuitable seat co vers
Due tounsuitable seat co vers,th e airbags
cann otprotect vehicle occupants as inten‐
ded.
In addition, the operation of the automatic
front passenger airbag shutoff could be
re stricted. #
You should on lyuse seat co vers that
ha ve been appr oved forth e cor respond‐
ing seats byMercedes-Benz. &
WARNING Risk of inju rydue tomalfunc‐
tioning sensors in the door
The function of the airbags can be impaired
due tomodifications or incor rect wo rkper‐
fo rm ed on the doors or door trim, or if the
doors are damaged. #
Never modify the doors or parts of the
doors. #
Alw ays ha vewo rkon the doors or door
trim car ried out at a qualified specialist
wo rkshop. &
WARNING Risk of inju rydue todeplo yed
airbag
A deplo yed airbag no longer of fers any pro‐
te ction. 46
Occupant saf ety

Yo
u will need toper form certain settings your‐
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. Fu
nction of PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact, and take
pre-em ptive measures toprotect theve hicle
occupants. These measures cannot necessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay. If an accident did not occur,
the pre-em ptive
measures that we retake n are reve rsed.
Sy stem limits
The sy stem will not initiate any action in thefo l‐
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The sy stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Safely transporting
children in theve hicle Alw
ays obser vewhen children are tr avelling
in theve hicle %
Also strictly obser vethe saf ety no tesfo rthe
specific situation. In this wa yyo u can recog‐ nise po
tential risks and avoid dangers if chil‐
dren are tr avelling in theve hicle
(/ page 54).
Be diligent
Bear in mind that negligence when securing a
ch ild in thech ild restra int sy stem may ha veseri‐
ous consequences. Alw ays be diligent in secur‐
ing a child carefully before everyjou rney.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild.
R The vehicle seat must be suitable forfitting a
ch ild restra int sy stem (/ page 58).
Ac cident statistics show that children secured
on there ar seats are general lysafer than chil‐
dren secured on the front seats. Forth is reason, Occupant saf
ety53

We
ight category I (9 to18 kgand from
appr oxima tely 9 months to4ye ars) Ty
pe 1
DUO plus
Appr oval E1 04 30113 3
Order number 2
A 000970 43 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. We
ight category II/III (15 to36 kgand from
appr oxima tely 4to 12 years) Ty
pe 1
KIDFIX XP
Appr oval E1 04 301 304
Order number 2
A 000970 49 02 Ty
pe 1
AMG KIDFIX XP
Appr oval E1 04 301 304
Order number 2
A 000970 33 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. Overview of suitable seats in
theve hicle for
fi tting a child restra int sy stem Left/right
rear seat
Prefer red securing sy stem:
® ISOFIX child seat anchor (/ page 60)
or
° i-Sizechild seat anchor (/ page 62)
¯ Also secure TopTe ther if present
(/ page 64).
Alternative securing sy stem:
7 Ve
hicle seat belt (/ page 65)
Fr ont passenger seat
Securing sy stem:
7 Ve
hicle seat belt (/ page 65)
Be sure toobser ve:
R Ifth e front passenger seat is occupied,
ensure, bo thbefore and during the journe y,
th at thest atus of the front passenger airbag
is cor rect forth e cur rent situation
(/ page 49). R
Obse rveth e no tes on automatic front
passenger airbag shutoff (/ page47) App
rova l categories forch ild restra int sys‐
te ms On
lyuse appr oved child restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems)
Identification on thech ild restra int sy stem
In fo rm ation about the appr oval categor y,we ight
category and appr oval number, forex ample, is
on the appr oval label on thech ild restra int sys‐
te m.
There may be fur ther information such as the
ISOFIX size categories, depending on the
appr oval category of thech ild restra int sy stem. 58
Occupant saf ety

App
rova l categories in accordance with UN-
R44 Example of an appr
oval label
R Universal: child restra int sy stems in the
"Universal" category are appr oved for ins tal‐
lation in vehicles. They can be used, in
accordance with overviews ofthe suitability of seats
for securing child restra int sy stems,
on seats labelled U,UF or IUF.
The identification IUF refers to ISOFIX child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
R Semi-Universal: child restra int sy stems in
th e "Semi-Universal" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list.
R Vehicle-specific: child restra int sy stems in
th e "vehicle-specific" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list. Appr
oval catego ries in accordance with UN-
R129 Example of an appr
oval label
R i‑Size: child restra int sy stems in the "i‑Size"
category are appr ovedfo r ins tallation in vehi‐
cles with i‑Size mounting brac kets. They can
be used, in accordance wi thove rviews ofthe Occupant saf
ety59

suitability of seats
for securing child restra int
sy stems, on seats labelled i‑U.
The identification i‑U refers to i‑Size child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
Obser vethe suitability of vehicle seats
Depending on the appr oval categor y,there are
fo rw ard-facing and rear wa rd-facing child
re stra int sy stems. Their use can be restricted for
cer tain vehicle seats:
R Suitability of seats for attaching ISOFIX child
re stra int sy stems (/ page 60)
R Suitability of seats for securing i‑Size child
re stra int sy stems (/ page 62).
R Suitability of seats for attaching belt-secu red
ch ild restra int sy stems (/ page 65) Fi
tting an ISOFIX or i-Size child restra int sys‐
te m on the rear seat Overview of suitability of
the seats for
attaching ISOFIX child restra int sy stems
ISOFIX is a standardised securing sy stem for
specially designed child restra int sy stems.
® The symbol indicates seats suitable for
attaching an ISOFIX child restra int sy stem
in accordance with UN R44 (/ page 58).
At tach only child restra int sy stems that
are appr oved in accordance with UN R44
as per thefo llowing ISOFIX tables.
Car rycot Size class –
Equipment
Left/right
rear seat
F – ISO/L1 X
G – ISO/L2 X
X Not sui table for an ISOFIX child restrai nt sy stem in this we ight
group and/or size class. We
ight group 0 (up to10 kgand up to
appr ox. 6 months) Size class –
Equipment
Le
ft/right rear seat
E – ISO/R1 IL
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list. We
ight group 0+ (up to13 kgand up to
appr ox.15 months) Size class –
Equipment
Re
ar seat behind front
passenger seat
E – ISO/R1 IL
D – ISO/R2 IL 60
Occupant saf ety

Size class –
Equipment
Re
ar seat behind driv‐
er's seat
B – ISO/F2 IUF
B1 – ISO/F2X IUF
A – ISO/F3 IUF
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list.
X Not suitable for an ISOFIX child restra int sy stem in this we ight
group and/or size class.
IUF Suitable forfo rw ard-facing ISOFIX child restra int sy stems of
th e "Universal" category in this we ight group. Overview of suitability of
the seats for
attaching i‑Size child restra int sy stems
i‑Size is a standardised securing sy stem for spe‐
cially designed child restra int sy stems.
° The symbol indicates seats suitable for
attaching an i‑Size child restra int sy stem in accordance with UN R129
(/
page 58).
Child restra int sy stems that are permit ted
in accordance with UN R44 as per the
ISOFIX tables (/ page 60) or UN R129 as
per thefo llowing i‑Size tables may be
attached.
i‑Size child restra int sy stems (ISO/R2, ISO/
F2X, ISO/B2, ISO/B3) Fr
ont passenger
seat Left/right
rear seat
Xi ‑U
X Not suitable for an i-Size
ch ild restrai nt sy stem in the
"Universal" categor y.i-U Suitable
forfo rw ard-facing
and rear wa rd-facing i-Size
ch ild restrai nt sy stems in the
"Universal" categor y. Fi
tting an ISOFIX or i‑Size child restra int sys‐
te m on the rear seat &
WARNING Risk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat back‐
re st may fold forw ards, even while theve hi‐
cle is in motion.
R As a result, theve hicle occupant will be
pressed into the seat belt with increased
fo rc e. The seat belt will not be able to
pr otect as intended and could cause
additional injur y.
R Objects or loads in the boot or load com‐
partment cann otbe restra ined bythe
seat backrest. #
Make sure that there ar ben chseat, the
re ar seat and the seat backrest are
engaged before everytrip. If
th e left and right seat backrests are not
engaged and loc ked in place, this will be shown 62
Occupant saf ety