door lock MERCEDES-BENZ C-CLASS COUPE 2021 Owner's Manual

R
get out and be stru ck byoncoming traf‐
fi c.
R ope rate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. The electric pa
rking brake is applied if the
tr ansmission is in position j
jand one of the
fo llowing conditions is fulfilled:
R The engine is switched off. R
The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page173).
In thefo llowing situations, the electric pa rk‐
ing brake is also applied:
R The HOLD function is keeping theve hicle sta‐
tionar y.
R Active Parking Assist is keeping theve hicle
st ationar y.
R Active Dis tance Assi stDISTRONIC is bringing
th eve hicle toast andstill.
R In addition, one of thefo llowing condi‐
tions mu stbe fulfilled:
- The engine is switched off.
- The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a sy stem malfunction.
- The po wer supp lyis insuf ficient. -
The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d! indicator lamp lights up in the instru‐
ment clus ter.
% The electric parking brake is not automati‐
cally applied if the engine is switched off by
th e ECO start/ stop function.
Fu nction of the electric pa rking brake
(releasing automatically)
The electric parking brake is released when
th efo llowing conditions are fulfilled:
R The driver's door is closed.
R The engine is running.
R The transmission is in position hork and
yo u depress the accelera tor pedal or you
shift from transmission position jtoh or
k when on le velground.
R Ifth e transmission is in position k,the boot
lid must be closed.
R The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat. 17 2
Driving and pa rking

Coupling up/uncoupling a trailer
&
WARNING Risk of inju ryfrom theve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentional ly,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. #
You do not initiate the le vel control sys‐
te m and do not operate theDY NA MIC
SELECT switch. #
Do not lock or unlock theve hicle. Re
quirements:
R The ball neck is extended and engaged in a
secu rely loc ked position. Tr
ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R The trailer is connected cor rectl y.
R The trailer lighting sy stem is in working
order.
The functions of thefo llowing sy stems will be
af fected bya cor rectly connected traile r:
R ESP ®
trailer stabilisation
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi st
R Drive AwayAssi st
R Cross Traf fic Alert
R Reversing camera
R 360° camera R
AIRMATIC
Coupling up a trailer
* NO
TEDama getothest ar ter battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage thest ar ter
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. #
Remo vethe co ver cap from the ball head and
st ore it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. Driving and parking
229

R
the electric parking brake cann otbe released
or applied
R vehicles with automatic transmission: the
automatic transmission cannot be shif tedto
position iorj
% Vehicles with automatic transmission: if
th e automatic transmission cann otbe shif‐
te dto position i, orthe multifunction dis‐
play in the instrument clus ter does not show
anything, ha vetheve hicle transpor tedaw ay
( / page 393). A towing vehicle with lifting
equipment is requiredforve hicle transpor ta‐
tion.
* NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km must not be
exc eeded. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If ano ther vehicle is tow- star ted or towed
aw ay, its weight must not exceed the permis‐
sible gross mass of your ow nve hicle, other‐
wise thefo llowing could occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veoreve nov erturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed
th e permissible gross mass of your own
ve hicle. If a
vehicle must be tow- star ted or towe daw ay,
its permissible gross weight must not exceed the
permissible gross weight of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (/ page418). #
Vehicles with automatic transmission: do
not open the driver's door or front passenger
door, otherwise the automatic transmission
automatically shifts toposition j. #
Fittheto wing eye (/ page 395). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion of theto w bar #
Onlyconnect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(/ page 77). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection
(/ page 93). #
Deactivate Active Brake Assi st
( / page 200). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i. #
Release the electric parking brake. 392
Breakdown assis tance

#
Using wheel spanner 3, turn hub cap1
anti-clockwise and remo veit. #
Tofit: follow the instructions abo vein
re ve rse order.
% Specified tightening torq ue: 25 Nm. Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (/ page 409).
R The wheel trims and hub caps ha vebeen
re mo ved (/ page 409).
Impor tant no tes on using the jack:
R Use only a vehicle-specific jack that has
been appr oved byMercedes-Benz toraise
th eve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle. R
The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
fl at, load-bearing, non-slip unde rlay.
R The foot ofthe jack must be positioned verti‐
cally under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Never lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 41 0
Wheels and tyres

Display messages
Possible causes/consequences and M
MSolutions #
Visit or consult a qualified specialist workshop immediatel y. Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is significant lyimpaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. Active bonnet malfunction
See Owner's Manual
*T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
M *T
he bonnet is open. &
WARNING Risk of accident due todriving with the bonn etunlo cked
The bonn etmay open and block your vie w. Displ
aymessa ges and warning/indicator lamps 445

Ad
justing treble, mid-range and bass
setting s................................................. 360
Calling up the sound menu.................... 360
Information............................................ 360
Switching volume adjustment on/of f.... 360
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 13 5
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 14 2
Ad justing (rear)..................................... .143
Air vents
see Air vents Ai
r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 137
Air-water duct Keeping free.......................................... 369
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 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
Wi ndow airba g......................................... 44
Airflow Setting................................................... 13 5
AIRM ATIC
Setting.................................................. .209
Suspension........................................... 208
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)....... 12 9
Android Auto
Connecting a mobile phone (wireless).. .319
Ending.................................................... 319
Information............................................ 319
Overview................................................3 18
Sound settings....................................... 319
Tr ans ferred vehicle data........................3 20
Animals Pets in theve hicle................................... 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .74
Immobiliser.............................................. 91504
Index

Ty
re press. monitor inoperative.............4 77
Ty re press. monitor inoperative No
wheel sensors ........................................ 478
Ty re pressure Check tyres .....................481
Ty re(s) ove rheated................................. 480
Wi thout changing gear, consult work‐
shop......................................................4 51
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door loc k................................ .74
Locking/unlocking (emergency key)....... .78
Opening (from inside).............................. 75
Un locking (from inside).......................... .75
Door cont rol panel....................................... 16
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 225 Drive
Away Assist
see Pr otection against collision
Drive position Enga ging................................................1 59
Drive prog ram display ............................... 15 6
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Light adjustment (low beam)................. 121
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............1 77
Ac tive Brake Assi st................................ 19 6
Ad aptive brake lights............................. 181
BA S (Brake Assi stSystem).................... 17 7
Cameras............................................... .175
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 79
ESP ®
Crosswind Assist.......................... 178
ESP ®
trailer stabilisation...................... .179
Overview................................................ 176
Ra dar and ultrasonic sensor s................ 175
Re sponsibility........................................1 75ST
EER CONTROL................................... 17 9
Driving sy stem
DY NA MIC BODY CONTROL.................... 208
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .121 Index
515

Gene
ral driving tips.............................. .149
optimised acceleratio n..........................14 8
Ru nning-in no tes.................................... 147
Dr ow siness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis................................................ .208
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Configuri ng drive program I................... 157
Displ aying engine dat a.......................... 157
Displ aying vehicle dat a.......................... 157
Drive program display............................ 15 6
Drive programs...................................... 15 5
Fu nction................................................ 15 5
Operating (DYNAMIC SELECT switch)....1 56
Selecting the drive prog ram.................. 15 6
Showing ope ration feedback.................1 57E
E10 ............................................................ .422
Easy entry feature
Fu nction/no tes..................................... 106Setting...................................................
107
Easy exitfeature
Fu nction/no tes..................................... 106
Setting................................................... 107
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes..................................... 17 9
ECO Assist Function/no tes..................................... 154
ECO display Function................................................ 15 3
ECO start/s top function
Au tomatic engine start.......................... 15 2
Au tomatic engine stop...........................1 52
Operation.............................................. 15 2
Switching off/on................................... 15 3
Electric pa rking brake
Applying automaticall y........................... 171
App lying/ releasing manuall y................. 173
Emergency braking................................ 173
Re leasing automaticall y......................... 172
Electrical fuses see Fuses Electromagnetic compatibility
Declaration of conformity........................ 25
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Fire extinguisher.................................... 377
Fir st-aid kit (so ftsided).........................3 77
Overview of the help functions................ 18
Re moving thewa rning triangle.............. 376
Saf etyve st............................................. 376
Setting up thewa rning triangle............. 377
Emer gency braking ................................... 173
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency engine start ........................... 395
Emer gency key
Inserting/removing.................................73
Locking/unlocking the doors.................. 78
Emer gency operation mode
St arting theve hicle...............................1 46
Emer gency spare wheel
No tes..................................................... 414516
Index

Pa
ssive mode........................................ 184
Pe rm anent setting................................ .186
Re quirements........................................ 184
Selecting............................................... 184
Setting a speed..................................... 184
St oring a speed............................. 184, 189
Switching off/deacti vating.................... 189
Switching on/activating........................ 189
Sy stem limitations................................. 184
Limiting speed see Limiter
LINGU ATRO NIC
Application specific voice commands.... 24 0
Au dible help functions...........................2 41
Global voice command s........................ 24 0
Impr oving speech quality....................... 241
Langua gesetting...................................2 41
Media pla yervo ice command s.............. 24 8
Message voice command s.................... 250
Mu ltifunction steering wheel (operat‐
ing)........................................................ 239
Na vigation voice commands.................. 24 3
Operable functions................................2 40
Operating saf ety.................................... 239
Ra dio voice command s.......................... 247Switch
voice commands....................... .242
Te lephone voice controls....................... 247
Te xt messa gevoice commands............ .250
TV voice commands.............................. 247
Ty pes of voice commands.................... .240
Ve hicle voice command s...................... .251
Vo ice prom pting................................... .240
Live Traf fic Information
Displaying subsc ript ion informatio n......294
Displ aying the tra ffic map.................... .294
Displ aying traf fic incidents.................... 295
Extending a subscription....................... 294
Issuing hazard alerts............................. 296
Re gis tering on Mercedes me................. 294
Loading Bag hook................................................ 11 4
No tes..................................................... 108
Ro of luggage rack .................................. 11 5
Ti e-down eyes........................................ 11 3
Loading guidelines .................................... 108
Loads Securing............................................... .108
Locator lighting see Sur round lighting Locking an
extern al device (child
saf ety lock)................................................ 269
Locking/unlocking Activating/deactivating the auto‐
matic locking feature............................... 77
Ad ditional door loc k................................ .74
Emergency key........................................ 78
KEYLESS-GO............................................ 76
Un locking/opening the doors from
th e inside................................................. 75
Low beam Light adjustment (driving abroad).......... 121
Setting................................................... 12 8
Switching on/of f................................... 121
Lu bricant additives
see Additives
Lu ggage
Lu ggage net........................................... 11 5
Secu ring................................................ 108
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay)............................. 98 522
Index

V
Ve hicle
Ac tivating/deactivating standby mode. .174
Ad ditional door loc k................................ .74
Collision de tection (pa rking).................. 173
Cor rect use.............................................. 31
Data acquisition...................................... 33
Data storage............................................ 33
Diagnostics connection...........................29
Equipment............................................... 23
Implied warrant y..................................... 32
Locking (automatically). ..........................77
Locking/unlocking (emergency key)....... .78
Locking/unlocking (from inside )............. 75
Locking/unlocking (KEYLESS-GO)...........76
Lo we ring................................................ 413
Medical aids............................................ 32
Pa rking up.............................................. 174
QR code rescue card............................... 33
Qualifi ed specialist workshop.................. 31
Ra ising.................................................. .410
REA CHregulation.................................... 31
Re gistration............................................. 31
St andby mode function.......................... 174
St arting (eme rgency operation mode).. .146 St
arting (Remo teOnline).......................1 47
St arting (s tart/s top button).................. 14 5
SV HC (subs tances of very high con‐
cern)........................................................ 31
Switching off (s tart/s top button).......... 16 8
To wing.................................................. .232
Ve ntilating (co nvenience opening)........... 86
Vo ice commands (LINGU ATRO NIC)........2 51
Ve hicle camera
Information............................................ 175
Ve hicle data
Displ aying (DYNAMIC SELECT).............. 157
Ro of load............................................... 430
Tr ans ferring toAndroid Auto................. 320
Tr ans ferring toApple CarPl ay®
.............. 320
Ve hicle height........................................4 29
Ve hicle length........................................4 29
Ve hicle width.........................................4 29
Wheelbase............................................. 429
Ve hicle dimensions ................................... 429
Ve hicle identification number
see VIN
Ve hicle identification plate
EU general operating pe rmit number.... .418 Pa
int code............................................. .418
Pe rm issible axle load............................ .418
Pe rm issible gross mass......................... 41 8
VIN.........................................................4 18
Ve hicle interior
Cooling or heating (Remo teOnline).......1 46
Ve hicle key
see Key
Ve hicle location
Ac tivating/deactivating transmission.... 265
Ve hicle maintenance
see ASS YST PLUS
Ve hicle sensors
Information............................................ 175
Ve hicle tool kit
TIREFIT kit............................................. 380
To wing eye............................................. 394
Ve ntilating
Con venience opening.............................. 86
Ve ntilation
see Climate cont rol
Ve nts
see Air vents 538
Index