2020 MERCEDES-BENZ E-CLASS CABRIOLET heating

Display messages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position will be displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
R The tyres can overheat and cause a fire.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive on with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (/ page 306). #
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. Display messages and
warning/indicator lamps 407

Display messages
Possible causes/consequences and M
MSolutions
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. Ty
re pressure loss warning sy stem Display messages
Possible causes/consequences and M
MSolutions
Tyre pressure Check tyres *T
he tyre pressure loss warning sy stem has de tected a significant loss of pressure. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can bu rst.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y.408
Display messages and warning/indicator lamps

Fo
il co vering
Ra dar and ultrasonic sensors .............. 181
Fo lding draught stop
Care .................................................... 300
Fitting .................................................... 86
Re moving ............................................. .86
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem .................................... 14 2
Inserting/removing theflacon ............ .142
Setting ................................................. 14 2
Fr ee software ............................................ 34
Fr equencies
Mobile phone ...................................... 342
Tw o-w ayradio ...................................... 342
Fr ont airbag .............................................. .42
Fr ont passenger seat
see Seat
Fu el .......................................................... .348
Ad ditives .............................................3 48
Diesel ................................................. .348
E10 ...................................................... 347
Fu elreser ve ........................................ 349 Low outside
temp eratures ...................3 48
Pe trol ................................................... 347
Quality (diesel) .................................... 348
Quality (p etro l) .................................... .347
Re fuelling ............................................ 16 9
Sulphur content ................................... 347
Ta nk content ....................................... 349
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 322
Before replacing a fuse ........................ 322
Fu se assignment diagram ...................3 22
Fu se box in the boot ............................3 24
Fu se box in the engine compartment .. 323
Fu se box in the front passenger foot‐
we ll ...................................................... 324
Fu se box on the dashboard ................. 324
No tes .................................................. 322 G
Garage door opener Cleari ngthe memory ........................... 17 7
Opening or closing the door ................1 77
Programming buttons .......................... 175
Re solving problems ............................. 17 7Synchronising
thero lling code ............ .176
Gearshift recommendation .....................167
Genera l operating permit number
(EU) .......................................................... .343
Genuine parts ............................................ 21
Genuine wood (Care) .............................. 302
Glide mode .............................................. .168 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 325
HANDS-FREE ACCESS ................................ 80
Haza rdwa rning lights ............................ .124
Head airbag ............................................... 42
Head le vel heating (AIRSCARF) ..............107
Head restra int
Fr ont (adjusting mechanically) .............1 00
Re ar (fitting/removing) ........................ 102444
Index

Head-up display
....................................... 24 6
Ad justing display elements (on-board
compu ter) ............................................ 24 6
Ad justing the brightness (on-board
computer) ............................................ 24 6
Fu nction .............................................. 24 5
Menu (on-board computer) .................. 24 6
Operating the memory function ........... 11 2
Setting the position (on-board com‐
puter) ................................................... 24 6
Switching on/off ................................. 247
Headlamp flashing .................................. 124
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating ...................... .124
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
High-pressure cleaner (care) ................. 296Hill
Start Assist ....................................... 204
HOLD function ......................................... 204
Fu nction/no tes ................................... 204
Switching on/off ................................. 205
Home screen (media display) Overview ............................................. 24 9
Hooking the luggage net .........................117 I
i-Size child seat securing sy stem
Fitting .................................................... 60
i‑Size child seat securing sy stem
Seats suitable for attaching ................... 59
Identification plate Engine ................................................. 343
Vehicle ................................................ 343
Ignition Switching on (S tart/S top button) ........ 15 0
Ignition key
see Key
Immobiliser ................................................ 92 Implied
warranty
Ve hicle ................................................... 31
In-Car Of fice ............................................ .273
Fe atures .............................................. 273
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 16 3
Selecting ............................................. 16 3
Inspection see AS SYST PLUS
Instrument clus ter
Fu nction/no tes ............................2 41,24 2
Instrument display Function/no tes ................................... 24 2
Instrument clus ter ................................. 10
Wa rning/indicator lamps .................... .415
Instrument display and on-board
compu ter
Fu nction/no tes .................................... 241
Intelligent Light Sy stem
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127 Index
445

Optimised acceleration
...........................15 5
Ac tivating ............................................ 15 5
Outside mir rors ............................... 136, 137
Anti-dazzle mode (automatic) .............. 137
Au tomatic mir rorfo lding function ........ 13 8
Fo lding in/out .................................... .136
Operating the memory function ........... 11 2
Pa rking position .................................. .137
Setting ................................................. 13 6
Overhead control panel Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 22
Owner's Manual (digital) ...........................18 P
Pa int code ................................................ 343
Pa intwork (cleaning instructions) .........297
Pa nel heating
Setting .................................................1 07
Pa rk position
Inserting .............................................. 16 6
Selecting au tomatical ly....................... 16 6Pa
rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 208
Ac tivating ............................................ .211
Ad justing warning tones ...................... 212
Deactivating ......................................... 211
Fu nction .............................................. 208
Sy stem limitations ...............................2 08
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .122
Pa rking position
Outside mir rors ................................... 137
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 13 8
Pa rking up ................................................ 17 9
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff Pe
destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem
Pe riod out of use
Ac tivating/deactivating standby
mode .................................................. .180
St andby mode function ...................... .180
Pe rm issible axle load .............................. 343
Pe rm itted towing me thods .................... .317
Pe trol ........................................................ 347
Pe trol station prices ............................... 263
Pe ts in the vehicle .................................... .70
Plastic trim (Care) ................................... 302
Po we r closing function
Door ...................................................... 78
Po we r supp ly
Switching on (S tart/S top button) ........ 15 0
Po we r windo ws
see Side windo ws Index
451

Re
mo teOnline
Charging thest ar ter battery ................ 15 3
Cooling or heating theve hicle inte‐
ri or .......................................................1 53
St arting theve hicle ............................. 15 3
Re scue card ............................................... 31
Re ser ve
Fu el ..................................................... 349
Re sidual heat ...........................................1 42
Re stra int sy stem ...................................... .35
Basic instructions forch ildren .............. .51
Fu nction in an accident ......................... 36
Fu nctionality .......................................... 35
Malfunction ........................................... 36
Pr otection ..............................................35
Re duced pr otection ...............................35
Self-test ................................................. 35
Wa rning lamp ........................................ 35
Re versege ar
Inserting .............................................. 16 5
Re versing camera .................................... 212
Care .................................................... .301
Fu nction ............................................... 212Opening
the camera co ver (360°
Camera) ............................................... 219
Switching au tomatic operation
on/off (360° Camera) ......................... 219
Rims (care) ............................................... 301
Ro llaw ay protection
see HOLD function
Ro ll bar
Fu nction ................................................ 49
Ro of lining (care) .................................... .302
Ro of load .................................................. 356
Ro ute ........................................................ 261
Calculating .......................................... .261
Selecting options ................................. 261
Ro ute guidance with augmented real‐
ity
Activating ............................................ .261
Displ aying stre et names and house
numbe rs.............................................. 261
Ro ute-based speed adaptation
Fu nction .............................................. 19 9
Setting ................................................. 200 Ru
n-flat characteristics
MOExtended tyres ............................... 306
Ru nning-in no tes .....................................1 54 S
Saf ety sy stems
see Driving saf ety sy stem
Saf etyve st ............................................... 304
Seat ............................................... 96, 97,11 5
4-w aylumbar support .......................... 100
Ad justing (electrically) ........................ .100
Ad justing (manually and electrically) ..... 99
Ad justing (me chanically and electri‐
cally) ...................................................... 97
Au tomatic seat adju stment ................. 102
Con figuring the settings ......................1 02
Cor rect driver's seat position ................ 96
Fo lding the backrest (rear) back ..........1 16
Fo lding the backrest (rear) forw ards .... 11 5
Fo lding the backrest forw ards/back
(with memory function) ...................... .104
Fo lding the backrest forw ards/back‐
wa rds (without memory function) ........ 105
Massage programme overview ............ 103 Index
453

Operating
the memory function ........... 11 2
Pa nel heating ....................................... 107
Re setting the settings .......................... 104
Setting options ...................................... 14
Switching AIRSCARF on/off ................ 107
Wo rkout programme overview ............ .103
Seat belt ............................................... 37,41
Ac tivating/deactivating seat belt
adjustment ............................................ 41
Care .................................................... 302
Fa stening ............................................... 40
Pr otection ..............................................37
Re ar seat belt status display .................. 41
Re duced pr otection ...............................38
Re leasing .............................................. .41
Seat belt adjustment (function) ............. 41
Seat belt extender ................................. 39
Wa rning lamp ........................................ .41
Seat belt adjustment Activating/deactivating ......................... 41
Fu nction ................................................. 41
Seat belt extender .....................................39
Seat belt tensioners
Ac tivation .............................................. 36 Seat belt
warning
see Seat belt
Seat co ver (Care) ..................................... 302
Seat hea ter
Ac tivating/deactivating ...................... .105
Seat ventilation
Switching on/o ff................................. 107
Selecting a gear
see Changing gears
Selector le ver
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff ............................................ 47
Sensors (care) .......................................... 301
Service see ASS YST PLUS
Service centre see Qualified specialist workshop
Service inter val display
see AS SYST PLUS Setting a speed
see Cruise control
Setting the map scale
see Map
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation .................. 167
Side airbag .................................................42
Side windo ws............................................. 88
Au tomatic function ................................ 90
Child saf ety lock in there ar .................. .68
Closing .................................................. 88
Closing (all) .......................................... .88
Closing using theke y ............................ .91
Con venience closing .............................. 91
Con venience opening ............................ 91
Opening .................................................88
Opening (all) .......................................... 88
Opening with theke y ............................ .91
Problem .................................................92
Ra in-closing feature .............................. .90
Smartphone see Smartphone integration 454
Index

U
Un locking setting ...................................... 72
Up dates
Impor tant sy stem updates .................. 255
USB port Rear .................................................... .118 V
Ve hicle ...................................................... 15 2
Ac tivating/deactivating standby
mode .................................................. .180
Ad ditional door lock ...............................74
Cor rect use ........................................... 30
Data acquisition ..................................... 31
Data storage .......................................... 31
Diagno stics connection ........................ .28
Equipment ............................................. 22
Implied warranty .................................... 31
Locking (auto matically) ......................... 77
Locking (Digital Vehicle Keyst icke r) ..... .76
Locking (from inside) ............................. 75
Locking (KEYLESS-GO) ..........................76
Locking/unlocking (emergency key) ...... 78
Lo we ring ............................................. 339 Medical aids .......................................... 30
Pa
rking up .......................................... .179
QR code rescue card ............................. 31
Qualified specialist workshop ................29
Ra ising ................................................ 335
REA CHregulation ..................................30
Re gistration ...........................................29
St andby mode function ...................... .180
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
Switching off (s tart/s top button) .........1 74
To wing ................................................ .240
Un locking (Digital Vehicle Keyst icke r) ... 76
Un locking (from inside) .......................... 75
Un locking (KEYLESS-GO) ...................... .76
Ve ntilating (co nvenience opening) ......... 91
Ve hicle data
Displ aying (DYNAMIC SELECT) ............ 16 4
Ro of load ............................................. 356
Ve hicle height ...................................... 354
Ve hicle length ...................................... 354
Ve hicle width ....................................... 354 Wheelbase ...........................................3
54
Ve hicle dimensions ................................. 354
Ve hicle identification number
see VIN
Ve hicle identification plate .................... 343
EU general operating pe rmit number .. 343
Pa int code .......................................... .343
Pe rm issible axle load .......................... .343
Pe rm issible gross mass ...................... .343
VIN ...................................................... 343
Ve hicle interior
Cooling or heating (Remo teOnline) ..... 15 3
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle tool kit ........................................ .307
TIREFIT kit ...........................................3 07
To wing eye ...........................................3 21
Ve ntilating
Con venience opening ............................ 91
Ve ntilation
see Climate cont rol Index
459