2019 MERCEDES-BENZ S-CLASS CABRIOLET fuel

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
Gas Cap Loose #
Ifth e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
00B6
Fuel Level Low *T
he fuel supply has dropped into there ser verange. #
Refuel.
003D
12 V Battery See Opera-
tor's Manual *T
he engine is off and the battery charge leve l is too lo w. #
Switch off electrical consumers that are not required. #
Lea vethe engine running for a few minutes, or drive for a longer dis tance.
The battery will charge.
If th e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. #
Visit a qualified specialist workshop.
003D Stop Vehicle See Opera-
tor's Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* 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 as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Switch off the engine. Display messages and
warning/indicator lamps 443

Display messages
Possible causes/consequences and 0050
0050Solutions
Check Engine Oil Level
(Add 1 quart) *
NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refueling, add 1 quart of engine oil.
To p up engine oil (→ page 340).
No tes on engine oil (→ page412).
00B2 Che ck Engine Oil At Next
Refueling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Check the engine oil le vel when next refueling.
Ad d engine oil (→ page 340).
No tes on engine oil (→ page412). Tr
ansmission Display messages
Possible causes/consequences and 0050
0050Solutions
* The transmission is malfunctioning. The transmission shifts toposition 005Cautomaticall y. Displ
aymessa ges and warning/indicator lamps 447

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
Ac tive Brake Assi st .Engine
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00B9 Engine diagnosis warning
lamp The
yellow Check Engine warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emission limit values may be exceeded and the engine may be in emer gency mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow Check Engine warning lamp lights up. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
003D Electrical malfunction warn‐
ing lamp The
red elect rical malfunction warning lamp is lit.
There is a malfunction in the electrics. #
Obser vethe messages on the multifunction displa y.
00B6
Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp lights up while driving.
There 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. 472
Displaymessa ges and warning/indicator lamps

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

Maneuvering assis
tance ...................... 19 6
Pa rking ................................................ 19 2
Sy stem limitations ...............................1 90
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 16 9
Displ ay................................................. 16 9
Fu nction .............................................. 16 9
Ac tive Steering Assist ............................ .172
Ac tivating/deactivating ...................... .173
Ac tive Emergency Stop Assist .............. 175
Ac tive Lane Change Assi st................... 174
Displ ays in the Instrument Display .......1 75
Fu nction ............................................... 172
Sy stem limitations ...............................1 72
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 11 4
Switching on/off .................................. 11 5
Ad ditional value range
Setting display content ........................ 213Ad
diti ves................................................... 412
Engine oil ............................................. 412
Fu el ...................................................... 412
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end Sur round
sound sy stem ...................................... 335
Burmes ter®
sur round sound sy stem ... 334
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 334 Ad
justing the sound optimization
Burmes ter®
high-end Sur round
sound sy stem ...................................... 335
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Burmes ter®
sur round sound sy stem ... 334
ADS PLUS damping sy stem
see AIRMATIC
Af ter-sales service center
see ASS YST PLUS
Air bag Reduced pr otection ...............................40
Air distribution Setting (multimedia sy stem) ................1 24
Air freshener sy stem
see Perfume atomizer
Air inlet see Air-water duct
Air pressu re
see Tire pressure 478
Index

Calling up ............................................
.241
Del eting .............................................. .242
Moving ................................................. 24 2
Overview ..............................................2 41
Re naming ............................................ 24 2
Flacon Inserting/removing ............................ .126
Flat tire ..................................................... 356
Changing a wheel ................................ 400
MOExtended tires ................................ 357
No tes .................................................. 356
TIREFIT kit ...........................................3 58
Flat towing
see Tow- bar sy stem
Floor mats ................................................ 109
Fo il co vering
Ra dar sensors .....................................1 55
Fo lding draft stop
Care .................................................... 352
Fo lding wind screen
Ins talling ................................................ 80
Re moving ............................................. .80Fr
ag rance
see Perfume atomizer
Fr ee software ............................................ 29
Fr equencies
Tw o-w ayradio ...................................... 407
Fr equency band
Dialing (on-board computer) ................ 218
Fr ont airbag .............................................. .37
Fr ont passenger seat
Ad justing from the driver's seat ............ 88
Fu el .......................................................... .412
Ad ditives .............................................. 412
E10 ....................................................... 411
Fu elreser ve ......................................... 412
Gasoline .............................................. .411
Quality (gasoline) ................................. 411
Re fueling ............................................. 14 3
sulfur content ....................................... 411
Ta nk content ........................................ 412
Fu el consum ption
On-board computer .............................. 216Fu
nction seat (rear passenger com‐
partment)
see Seat (rear passenger compartment)
Fu se insert
see Fuses
Fu ses ........................................................ 373
Before replacing a fuse ........................ 373
Dashboa rdfuse box ............................. 375
Fu se assignment diagram .................... 373
Fu se box in the engine compartment .. 373
Fu se box in the front-passen gerfo ot‐
we ll ...................................................... 375
No tes ................................................... 373
Fu ses
see Fuses G
Garage door opener Cleari ngthe memory ........................... 15 0
Opening or closing the door ................1 49
Programming buttons .......................... 147
Ra dio equipment appr oval numbers .... 15 0
Re solving problems ............................. 14 9
Synchronizing thero lling code ............ .148 492
Index