2021 MERCEDES-BENZ C-CLASS CABRIOLET engine

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

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