heating MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owner's Manual

Display messages
Possible causes/consequences and M
MSolutions #
Shift the transmission topark position jwhile theve hicle is stationar y. #
Tocontinue driving, select transmission position hork.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. It is no longer possible tochange the transmission position. #
If transmission position his selected, consult a qualified specialist workshop and do not change the transmis‐
sion position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *
The transmission is malfunctioning. It is not possible toselect transmission position k. #
Consult a qualified specialist workshop.
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toneutral iautomatically. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Depress the brake pedal. #
Enga gepark position j. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away. 450
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Do not exceed the maximum permissible driving dis tance in emergency mode and the maximum permissi‐
ble speed with a flat MOExtended tyre. #
Obse rveth e no tes on flat tyres. No
tes in theeve nt of a flat tyre (/ page374). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyres.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres can bur st. #
Reduce speed so that the tyres cool down. Reduce speed
*A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres can bur st. #
Reduce speed so that the tyres cool down. 478
Displaymessa ges and warning/indicator lamps

H
Handbrake see Electric parking brake
Handling characteristics (unusual)......... 395
Hazard warning lights.............................. .121
HD prog rammes
see CI+ module
Head airbag ................................................. 44
Head le vel heating (AIRSCARF) ................105
Head restra int
Fr ont (adjusting mechanically)..............1 00
Re ar (fitting/removing)......................... .101
Head-up display Adjusting display elements (on-board
compu ter).............................................. 231
Ad justing the brightness (on-board
computer).............................................. 231
Fu nction................................................ 230
Menu (on-board compu ter).................... 231
Operating the memory function.............1 10
Setting the position (on-board com‐
puter)..................................................... 231
Switching on/of f................................... 231 Headlamp
flashing..................................... 121
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating......................... 121
Ad aptive Highbeam Assist Plus.............. 124
High-pressure cleaner (care).................. .364
Hill Start Assist......................................... .174
HOLD function Function/no tes...................................... 173
Switching on/of f................................... 173
Hooking the luggage net .......................... .115
Hotspot Setting up (Wi-Fi).................................. .260 I
i-Size child seat securing sy stem
Fitting..................................................... .62Seats suitable
for attaching..................... 62
Identification plate Engine................................................... .414
Ve hicle................................................... 414
Ignition Swit ching on (S tart/S top button).......... 137
Ignition key
see Key
Immobiliser .................................................. 92
Implied warranty
Ve hicle.................................................... 32
In Car Of fice
Calling up.............................................. 308
Fe atures................................................ 307
Marking a to-do entry as compl eted...... 308
Noting an incoming call......................... 308
Selecting functions............................... .308
Switching auto maticstart on/of f.......... 308
Increase in traf fic information volume
Setting................................................... 343
Indicator lamp see Warning/indicator lamp Index
517

Pr
otection against collision ......................218
Pr otection of the environment
No tes.......................................................21
Ta ke -ba ckof end-of-life vehicles..............21 Q
Qibla...........................................................2 94
QR code Rescue card............................................33
Qualified specialist workshop .................... 31R
Ra dar and ultrasonic senso rs
Damage................................................. 16 8
Ra dio
Ac tivating.............................................. 340
Ac tivating/deactivating radio text......... 343
Ac tivating/deactivating traf fic
announcements................................... .343
Calling up a slide sho w.......................... 342
Calling up thest ation lis t...................... .342
Deleting stations.................................. .342
Direct frequency entr y.......................... 342
Displaying information........................... 343 Displaying
radio text.............................. 343
Fr equency fix......................................... 343
Managing favo urites.............................. 342
Managing station presets...................... 342
Moving stations.................................... .342
Overview................................................ 341
Sear ching forst ations.......................... .342
Setting a channel................................... 341
Setting station trackin g......................... 343
Setting the frequency band................... 341
Setting the traf fic information
service volume inc rease........................ 343
St oring radio stations............................ 342
Ta gging music trac ks............................. 343
Vo ice commands (LINGU ATRO NIC)....... 24 0
Ra in-closing feature
Side wind ows.......................................... 89
RE AC Hregulation........................................31
Re ading lamp
see Interior lighting
Re ar fog light
Switching on/of f................................... 12 0
Re ar seat
see Seat Re
ar seat belt
St atus display......................................... .43
Re ar seat belt status display ..................... 43
Re ar window heater.................................. 13 3
Re ar-view mir ror
Anti-dazzle mode (automatic)................ 131
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle............................1 55
Re gistration
Ve hicle.....................................................31
Re gulatory radio identification................. 414
Re mo teOnline
Charging thest ar ter battery.................. 13 9
Cooling/heating theve hicle interior...... 13 9
St arting theve hicle............................... 14 0
Re scue card................................................. 33 526
Index

St
arting (Remo teOnline).......................1 40
St arting (s tart/s top button).................. 13 8
SV HC (subs tances of very high con‐
cern)........................................................ 31
Switching off (s tart/s top button)...........1 61
To wing.................................................. .225
Ve ntilating (co nvenience opening)........... 90
Vo ice commands (LINGU ATRO NIC)....... 24 4
Ve hicle camera
Information............................................ 16 8
Ve hicle data
Displ aying (DYNAMIC SELECT).............. 15 0
Ro of load............................................... 427
Tr ans ferring toAndroid Auto.................. 313
Tr ans ferring toApple CarPl ay®
.............. 313
Ve hicle height........................................4 26
Ve hicle length........................................4 26
Ve hicle width.........................................4 26
Wheelbase............................................. 426
Ve hicle dimensions ................................... 426
Ve hicle identification number
see VIN
Ve hicle identification plate
EU general operating pe rmit number.... .414 Pa
int code............................................. .414
Pe rm issible axle load............................ .414
Pe rm issible gross mass......................... 414
VIN.........................................................4 14
Ve hicle interior
Cooling or heating (Remo teOnline).......1 39
Ve hicle key
see Key
Ve hicle location
Ac tivating/deactivating transmission.... 258
Ve hicle maintenance
see ASS YST PLUS
Ve hicle sensors
Information............................................ 16 8
Ve hicle tool kit
TIREFIT kit............................................. .376
To wing eye............................................ 390
Ve ntilating
Con venience opening.............................. 90
Ve ntilation
see Climate cont rol
Ve nts
see Air vents Vi
deo mode
Ac tivating.............................................. 333
Ac tivating/deactivating full-screen
mode..................................................... 334
Overview............................................... 334
Setting s................................................. 335
VIN Identification plate................................. 414
Seat....................................................... 414
Wi ndsc reen............................................ 414
Vi sion
Demisting windo ws............................... 13 4
Vo ice command types (LINGUA‐
TRONIC)...................................................... 233
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamp
see Warning/indicator lamp
Wa rning sy stem
see ATA (anti-theft alarm sy stem) 536
Index