tow MERCEDES-BENZ C-CLASS COUPE 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
PRE-SAFE ®
sy stem ........................................51
Safely transporting children in theve hi‐
cle ................................................................53
No tes on pets in theve hicle .........................70 Opening and closing
.................................. 71
Ke y ................................................................ 71
Doo rs............................................................ 74
Boot .............................................................. 79
Side windo ws............................................... 84Sliding sunroof ..............................................
87
Anti-theft pr otection .....................................91 Seats and
stowing ...................................... 94
No tes on the cor rect driver's seat posi‐
tion ............................................................... 94
Seats ............................................................ 95
St eering wheel ............................................ 104
Easy entry and exitfeature ........................ .106
Memory function ........................................ 107
St ow age areas ............................................ 108
Soc kets ....................................................... 11 7
Wi reless charging of the mobile phone
and connection with theex terior aerial .......1 17
Fitting/removing thefloor mats .................. 11 9 Light and sight
.......................................... 121
Exterior lighting ........................................... 121
Interior lighting ........................................... 12 8
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 12 9
Mir rors ........................................................ 13 22
Contents

Climate control
........................................ 13 5
Overview of climate contro l systems ..........1 35
Operating the climate control sy stem ......... 13 5 Driving and pa
rking ................................. 14 4
Driving ........................................................ 14 4
DY NA MIC SELECT switch ........................... 15 5
Au tomatic transmission .............................. 157
Fu nction of the 4MATIC .............................. 16 2
Re fuelling .................................................... 16 2
Pa rking ...................................................... .168
Driving and driving saf ety sy stems .............. 175
Tr ailer hit ch................................................ 226
Bicycle rack function .................................. 231
Ve hicle towing instructions ........................ .232 Instrument display and on-board
comp
uter.................................................. 233
No tes on the instrument display and on-
board computer .......................................... 233
Instrument display overview ...................... .234
Overview of buttons on thesteering
wheel ..........................................................2 35
Operating the on-board computer .............. 235 Overview of displa
yson the multifunc‐
tion display .................................................2 36
Head-up display .......................................... 237 LING
UATRONIC ........................................ 239
No tes on operating saf ety .......................... 239
Ope ration ................................................... 239
Using LINGU ATRO NIC ef fectively ................ 241
Essential voice commands .......................... 24 2 Multimedia sy
stem .................................. 254
Overview and operation .............................. 254
Sy stem settings .......................................... 263
Fit & Healt hy............................................... 275
Na vigation ................................................... 276
Te lephone .................................................. .302
Online and Internet functions ..................... 329
Media ........................................................ .334
Ra dio .......................................................... 347
TV ............................................................... 350
Sound ......................................................... 358 Main
tenance and care ............................. 361
ASS YST PLUS service inter val display ........ .361
Engine compartment .................................. 362
Cleaning and care ....................................... 369 Breakdown assistance
.............................376
Emergency ................................................. .376
Flat tyre ...................................................... 378
Battery (vehicle) ......................................... 385
To w- starting or towing away ....................... 390
Electrical fuses ........................................... 395 Wheels and tyres
..................................... 399
No tes on noise or unusual handling char‐
acteristics .................................................. .399
No tes on regular lyinspecting wheels and
tyres .......................................................... .399
No tes on snow chains ................................ 399
Ty re pressure .............................................. 400
Wheel change ............................................ .404
Emergency spa rewheel .............................. 414 Con
tents 3

1
Steering wheel gearshift paddles →
16 0
2 Combination swit ch →
12 3
3 Instrument display →
234
4 DIRECT SELECT le ver →
157
5 Media display →
254
6 Glovecompa rtment →
111
7 Start/ stop button →
14 5
8 Climate cont rol sy stems →
13 5
9 Calls up the main functions of the multimedia
sy stem →
258
A Hazard warning light sy stem →
12 3
B PASSENGER AIR BAG indicator lamps →
49
C Stow age compartment →
111
D Touchpad →
255
E Controller forvo lume and switching sound
on/off →
254
F Swit ches the multimedia sy stem on/off →
254 G
Exte nds/ retracts the seat belt extender →
41
H ECO start/ stop function →
15 3
I 360° camera →
213
J Sets theve hicle le vel →
209
K DYNA MIC SELECT switch →
15 6
L Control panel forth e multimedia sy stem →
235
M Adjusting thesteering wheel electrically →
105
Switches thesteering wheel heater on/off →
105
N Control panel:
On-board co mputer →
235
Cruise cont rol or variable limiter →
184
Ac tive Dis tance Assi stDISTRONIC →
189
O Diagno stics connection →
29
P Opens the bonn et →
363
Q Electric parking brake →
171
R Light switch →
121
S Control panel for: At
aglance – Cockpit 7

1
B-pillar wi th:
QR code for accessing there scue card →
33
2 Safetyve sts →
376
3 me button and SOS button →
320
4 Tocheck and top up operating fluids →
420
5 Totow- start and tow aw ay →
390
6 Flat tyre →
378
7 Starting assis tance →
388
8 Haza rdwa rning light sy stem →
12 3 9
Fire extinguisher →
377
A Fuelfiller flap with:
information label on fuel type →
16 2
information label on tyre pressure →
401
QR code for accessing there scue card →
33
B Totow- start and tow aw ay →
390
C TIREFIT kit →
380
D First-aid kit (so ftsided) →
377
E Warning triangle →
376 At
aglance – Emer gencies and breakdowns 19

&
WARNING Risk of accident due tocon‐
necting devices tothe diagnostics con‐
nection
If yo u connect devices tothe diagnostics
connection of theve hicle, the function of
ve hicle sy stems and operating saf ety may be
impaired. #
For saf etyre asons, werecommend that
yo u on lyuse and connect products
appr ovedby yo ur Mercedes-Benz
service centre. &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that th
ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. *
NO
TEBattery discharging from using
devices connected tothe diagnostics
connection Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the
batter y,e.g. bydriving a considerable
dis tance. Please also no
tethe information about the12 V
battery and short-dis tance trips in the "Driving
and Parking" chap ter (/ page149). Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
ef fects:
R malfunctions in theve hicle sy stem
R permanent damage tovehicle components
Please referto thewa rranty term s and condi‐
tions forth is matter. 30
General no tes

indicator lamp is off. If
the front passenger seat
is occupied, make sure, bo thbefore and during
th e journe y,that thest atus of the front
passenger airbag is cor rect (/ page 49). &
WARNING Risk of bu rns from hot airbag
components
The airbag parts are hot af ter an airbag has
been depl oyed. #
Do not touch the airbag parts. #
Have a deplo yed airbag replaced at a
qu alified specialist workshop as soon
as possible. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident. Take this into account, partic‐
ularly if a seat belt tensioner is trig gered or an
airbag deplo yed.
If th e seat belt tensioners are trig gered or an air‐
bag is deplo yed, you will hear a bang, and a
small amount of powder may also be released:
R The bang will not generally af fect your hear‐
ing. R
Ingeneral, the powder released is not haz‐
ardous tohealth but may cause short-term
breathing dif ficulties topersons suf fering
from as thma or other pulmonary conditions.
Pr ov ided it is safe todo so, lea vetheve hicle
immediately or open the window in order to
pr eve nt brea thing dif ficulties. Seat belts
Pr
otection pr ovided bythe seat belt Alw
aysfast enyour seat belt co rrectly before
st arting a journe y.A seat belt can only pr ovide
th e best le vel of pr otection if it is worncor rectly. &
WARNING Risk of inju ryor death due to
incor rectly fastened seat belt
If th e seat belt is not worncor rectly, it can‐
not per form its intended pr otective function.
In addition, an incor rectly fastened seat belt
can also cause injuries, forex ample, in the
ev ent of an accident or when braking or
ch anging direction sudden ly. #
Alwa ys ensure that all vehicle occu‐
pants ha vetheir seat belts fastened
cor rectly and are sitting prope rly. Alw
ays obser vethe instructions about the cor‐
re ct driver's seat position and adjusting the seat
(/ page 94).
In order forth e cor rectly wornseat belt topro‐
vide the intended le vel of pr otection, each vehi‐
cle occupant must obser vethefo llowing infor‐
mation:
R The seat belt must not be twis ted and must
fi t tightly and snu gly across the body.
R The seat belt must be routed across the
centre of the shoulder and as low down
across the hips as possible.
R The shoulder section of the seat belt should
not touch your ne cknor be routed under
yo ur arm or behind your bac k.
R Avoid wearing bulky clo thing, e.g. a winter
coat.
R Push the lap belt down as far as possible
across your hips and pull tight with the shoul‐ Occupant saf
ety39

#
Alw ays secure persons under 1.50 m
ta ll in a suitable restra int sy stem. &
WARNING Risk of inju ryor death due to
damaged or modified seat belts
Seat belts cann otprov ide pr otection in the
fo llowing situations:
R the seat belt is damaged, has been modi‐
fi ed, is extremely di rty, bleached or dyed
R the seat belt buckle is damaged or
ex treme lydirty
R modifications ha vebeen made tothe seat
belt tensioner, seat belt anchorage or
seat belt retractor
Seat belts may su stain non-visible damage in
an accident, e.g. due toglass splin ters.
Modified or damaged seat belts could tear or
fa il in theev ent of an accident, forex ample.
Modified seat belt tensioners could acciden‐
ta lly trigger or failto function as intended. #
Never modify the seat belt sy stem, for
ex ample the seat belt, seat belt buckle, seat belt
tensioner, seat belt anchorage
and seat belt retractor. #
Makesure that the seat belts are
undamaged, not wornand clean. #
Alw ays ha vethe seat belts checked
immediately af ter an accident at a
qu alified specialist workshop. Mercedes-Benz
recommends that you use seat
belts which ha vebeen appr ovedfo ryo ur vehicle
by Mercedes-Benz. &
WARNING Risk of inju ryor death from
deplo yedpy rotech nic seat belt tension‐
ers
Py rotech nic seat belt tensioners that ha ve
been deplo yed are no longer operational and
are unable toper form their intended pr otec‐
tive function. #
Therefore, ha vedeplo yedpy rotech nic
seat belt tensioners immedia tely
re placed at a qualified specialist work‐
shop. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident.
* NO
TEDama gecaused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the
seat mechanism. #
Alw ays ensure that an unused seat belt
is fully retracted. Ex
tending/r etra cting the seat belt extender When
the door is closed, the seat belt extender
ex tends.
Yo u can also extend the seat-belt extender by
using theõ seat-belt extender button in the
centre console.
The õ seat belt extender button may also be
located in the switch panel abo vethe light
switch in Mercedes-AMG vehicles. #
Switch on the ignition. Occupant saf
ety41

R
The seat belt tongue is engaged in the
seat belt buckle of the front passenger
seat and the front passenger seat is
unoccupied. #
Stow objects in a suitable place. #
Only one person should use each seat
belt at any one time. Depending on
the de tected accident situation,
th e window airbag on the front passenger side
may deplo y.The airbag is deplo yedre ga rdless of
whe ther the front passenger seat is occupied. Pr
otective capacity of the airbags Depending on
the accident situation, an airbag
may supplement the pr otection of fere dby a cor‐
re ctly fastened seat belt. &
WARNING Risk of inju ryor death due to
an incor rect seat position
If yo u deviate from the cor rect seat position,
th e airbag cann otper form its intended pro‐
te ctive function. Each
vehicle occupant must make sure of the
fo llowing:
R Fasten seat belts cor rectl y.Pregnant
wo men must take particular care to
ensure that the lap belt ne ver lies across
th e abdomen.
R Adopt the cor rect seat position and keep
as faraw ay as possible from the airbags.
R Obser vethefo llowing information. #
Alw ays make sure that there are no
objects between the airbag and vehicle
occupant. To
avo idtherisks resulting from the deployment
of an airbag, each vehicle occupant must
obser vethefo llowing information in particular:
R Before starting your journe y,adjust your seat
co rrectly; the driver's seat and front
passenger seat should be mo ved as far back
as possible.
When doing so, alw ays obser vethe informa‐
tion on the cor rect driver's seat position
(/ page 94). R
Only hold thesteering wheel bythesteering
wheel rim. This allow sth e airbag tobe fully
deplo yed.
R Alw ays lean against the seat backrest when
th eve hicle is in motion. Do not lean forw ards
or against the door or side windo w.You may
ot herwise be in the deployment area of the
airbags.
R The occupants must alw ayske ep their feet
on thefloor. Do not put your feet on the
cockpit, forex ample. Your feet may other‐
wise be in the deployment area of the airbag.
R Ifch ildren are tra velling in theve hicle,
obser vethe additional no tes (/ page54).
R Alwa ys stow and secure objects cor rectl y.
Objects in theve hicle interior may pr event an
airbag from functioning cor rectl y.Each vehicle
occupant must alw ays make sure of thefo llow‐
ing in particular:
R There are no people, animals or objects
between theve hicle occupants and an air‐
bag. Occupant saf
ety45

#
Have theve hicle towe dto aqu alified
specialist workshop in order tohave the
deplo yed airbag replaced. Ha
ve deplo yed airbags replaced immediately. St
atus of the front passenger front airbag Fu
nction of the automatic front passenger
airbag shu toff
The automatic front passenger airbag shutoff is
able todetect whe ther the front passenger seat
is occupied bya person or a child restra int sys‐
te m. The front passenger airbag is enabled or
disabled accordingly. &
WARNING Risk of inju ryor death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shutoff or damage the sys‐
te m. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. When
fitting a child restra int sy stem tothe front
passenger seat, alw ays make sure of thefo llow‐
ing:
R Ensure that thech ild restra int sy stem is posi‐
tioned cor rectly (/ page 57).
R Alwa ys comply wi th thech ild restra int sys‐
te m manufacturer's ins tallation instructions.
R Never place objects (e.g. cushions) under or
behind thech ild restra int sy stem.
R Fully retract the seat cushion length adjust‐
ment.
R The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
R The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat. R
The child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the seat backrest inclina‐
tion and the head restra int setting accord‐
ing ly. &
WARNING Risk of inju ryor death due to
objects between the seat sur face and
th ech ild restra int sy stem
Objects between the sitting sur face and the
ch ild restra int sy stem could af fect the func‐
tion of the automatic co-driver airbag shut‐
off. #
Do not place any objects between the
sitting sur face and thech ild restra int
sy stem. #
The entire base of thech ild restra int
sy stem must alw aysre st on the sitting
sur face of the co-driver seat. #
The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possi‐
ble, be resting on the seat backrest of
th e co-driver seat. Occupant saf
ety47

R
Vehicles with memory function: movethe
front passenger seat toa more favo urable
seat position.
R Vehicles with multicontour seat: increase
th e air pressure in the seat side bols ters of
th e seat backrest.
R PRE-SAFE ®
Sound: pr ovided that the multi‐
media sy stem is switched on, generates a
brief noise signal tostimulate the innate pro‐
te ctive mechanism of a person's hea ring.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
sy stem measures If an accident did not occur,
the pre-em ptive
measures that we retak en are reve rsed. 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 52
Occupant saf ety