2019 MERCEDES-BENZ S-CLASS CABRIOLET coolant

Display messages
Possible causes/consequences and 0050
0050Solutions
See Operator's Manual *NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. #
Consult a qualified specialist workshop.
003D Stop Vehicle Leave Engine
Running *T
he battery charge leve l is too lo w. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Check Coolant Level See
Operator's Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (→ page 341).
00B6 *T
here has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is
leaking. #
Close the fuel filler cap. 442
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions #
Consult a qualified specialist workshop.
00AC *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below there d marking.
00AC
Coolant Too Hot Stop Vehi-
cle Turn Engine Off *T
he coolant is too hot. #
Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could
come into contact with hot gases or other escaping operating fluids. #
Before opening the hood, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below there d marking. 444
Displaymessa ges and warning/indicator lamps

003E003D
Tu
rn signal lights(→ page112)
005E Re
ar fog light(→ page111 )
0075 Re
stra int sy stem(→ page 465)
00E9 Seat belt not
fastened(→ page470)
0027 US
A: brakes (red) (→ page 465)
004D Canada: brakes (red) (→
page 465)
0024 Electric parking brake (yell
ow)
( → page 465)
0049 USA: elect
ric pa rking brake applied
(red) (→ page 465) 0024
Canada: elect
ric pa rking brake
applied (red) (→ page 465)
0025 ABS malfunctioning(→
page 465)
00E5 ESP®
(→ page 465)
00BB ESP®
OFF(→ page 465)
L Distance warning(→ page471)
00CC Po
we r-assis tedsteering malfunction‐
ing( →page 476)
00CC AIRMATIC/Active Body Control mal‐
functioning (→
page 471) 00B9
Che
ckEngine(→ page 472)
003D Electrical malfunction (→
page 472)
00B6 Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page472)
(→ page 472)
00AC Coolant
too hot/cold (→ page472)
0077 Ti
re pressure monitoring sy stem
(→ page 474) Sa
fet y sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0027 Brake warning lamp (USA)
004D The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes are:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in eme rgency braking situations. Display messages and
warning/indicator lamps 465

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
If th e fuel filler cap has already been closed cor rectly: #
Visit a qualified specialist workshop.
00B6 Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel.
00AC
Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature. &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids. #
Before opening the hood, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service. Display messages and
warning/indicator lamps 473

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 341). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below there d area. Ti
res Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires. 474
Displaymessa ges and warning/indicator lamps

Setting
the fragrance sy stem ............... 12 5
Ve ntilating theve hicle (con venience
opening) ................................................. 74
Climate style
Fu nction ............................................... 124
Setting ................................................. 124
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND see Multimedia sy stem
COMAND Touch
Managing devices ................................ 251
Combination switch .................................11 2
Compass .................................................. 283
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 308
Overview ............................................ .307 Connectivity
Swit ching transmission of theve hicle
position on/off .................................... 24 8
Contacts .................................................. .292
Calling up ............................................ 293
Deleting ............................................... 294
Downloading (from mobile phone) ...... 292
Importing ............................................ 293
Importing (o verview) .......................... .293
Information .......................................... 292
Making a call ....................................... 294
Na me form at ...................................... .293
Options ................................................ 294
St oring .................................................2 94
Controller Operating ............................................ 239
Con venience closing feature .................... 75
Con venience opening ................................ 74
Coolant (engine) Check le vel .......................................... 341
Filling capacity .................................... .414
No tes ................................................... 414
Copyright Licenses ................................................ 29 Tr
ademar ks............................................ 29
Co rnering light function ..........................11 4
Cross Traf fic Alert .................................. .195
Crosswind Assist Function/no tes ................................... 15 9
Cruise control .......................................... 16 4
Buttons ................................................ 16 5
Calling up a speed .............................. .165
Fu nction .............................................. 16 4
Re quirements: .................................... .165
Selecting ............................................. 16 5
Setting a speed ................................... 16 5
St oring a speed ................................... 16 5
Switching off ....................................... 16 5
Switching on ........................................ 16 5
Sy stem limitations ...............................1 64
Cup holder .............................................. .105
Ins talling/ removing (center console) ... 105
Re ar passenger compartment ............ .105
Cus tomer Assi stance Center (C AC)........ .24
Cus tomer Relations Department .............24 484
Index

Blind Spot Assi
stNot Available When
To wing a Trailer See Operator's Man‐
ual ...................................................... .437
0027 Check Brake Fluid Le vel.............. 424
Check Brake Pads See Operator's
Manual ................................................ 432
Check Coolant Le vel See Operator's
Manual ................................................ 442
00B2 Check Engine Oil AtNext Refu‐
eling .................................................... 447
00B2 Check Engine Oil Le vel (Add 1
qu art) .................................................. 446
0049 Check Left Low Beam (Exam‐
ple) ...................................................... 461
0077Check Tire s ................................. 451
00B2Check Washer Fluid .................... 458
0059 Convertible Top Lo wering ........... 460
0059 Convertible Top Operation Pos‐
sible to37 mph................................... 460 00ACCoolant
Too Hot Stop Vehicle
Tu rn Engine Off ................................... 444
Cruise Control Inoperative ...................441
Cruise Control Off ...............................440
0025Cu rrently Un available See Oper‐
ator's Manual ...................................... 425
00E5Cur rently Una vailable See Oper‐
ator's Manual ...................................... .419
Decrease Speed .................................. 453
00AFDon't Forget Your Key................ .455
Drive More Slowly ............................... 433
Driver's Door Open & Transmission
Not in P Risk of Vehicle Rolling Away ..449
00B3 Engine Oil Le vel Cann otBe
Measured ............................................ 445
00B2 Engine Oil Le vel Low Stop Vehi‐
cle Turn Engine Off .............................. 445
00B2 Engine Oil Pressure Stop Switch
Off Engine ...........................................4 46
00B2Engine Oil Reduce Oil Le vel........ .445 0075Fr
ont Left Malfunction Service
Re quired (Example) ............................ .428
006FFr ont Left Seat Backrest Not
Lo cked (Example) ................................ 456
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................4 30
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 29
00B6Fu el Level Low ............................ 443
00B6 Gas Cap Loose ............................ 442
0025 Inoperative See Operator's
Manual ................................................ 426
00E5Inoperative See Operator's
Manual ................................................ 427
007AInoperative See Operator's
Manual ................................................ 423
0053Inoperative .................................. 432
0049Intell. Light Sy stem Inoperative ... 461
00AFKe yNot De tected (white dis‐
pl ay messa ge).....................................4 54 Index
487

Opening
the trunk lid using your foot
HANDS-FREE ACCESS .......................... .69
Operating fluids
Ad ditives (fuel) .....................................4 12
Brake fluid ............................................ 413
Coolant (engine) .................................. 414
Engine oil ............................................. 412
Fu el (gasoline) ...................................... 411
No tes ................................................... 41 0
Re frigerant (air conditioning sy stem) ... 41 5
Wi ndshield washer fluid ...................... .414
Operating saf ety
Declaration of conformity (wireless
ve hicle components) ............................. 23
Information ............................................ 22
Operating sy stem
see On-board computer
Operator's Manual Vehicle equipment ................................. 20
Operator's Manual (digital) .......................18
Overhead control panel Making calls (Mercedes me connect).............................................................3 02
Overview ................................................ 12 P
Pa int code ................................................ 408
Pa intwork (cleaning instructions) .........346
Pa nel heating
Setting ................................................... 93
Pa nic alarm ................................................ 59
Ac tivating/deactivating ......................... 59
Pa rcel net hooks ...................................... 103
Pa rk position
Inserting .............................................. 141
Selecting au tomatical ly........................ 141
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC ................... 181
Ac tivating ............................................ 184
Ad justing warning tones ...................... 184
Fu nction ............................................... 181
Side impact pr otection ........................ 182
Switching off ....................................... 184
Sy stem limitations ...............................1 81Pa
rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking for an extended period ..............15 3
Pa rking lights .......................................... .111
Pa rking position
Ex terior mir rors .................................... 121
St oring the position of the front-
passenger outside mir ror using
re ve rsege ar ........................................ .121
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pa yload
Calculation example ............................ 386
De term ining the maximum .................. 385
Pe destrian pr otection
see Active hood (pedestrian pr otection)
Pe rfume
see Perfume atomizer
Pe rfume atomizer .................................... 12 6
Inserting/removing theflacon ............ .126 500
Index