MERCEDES-BENZ S-CLASS CABRIOLET 2019 Owner's Manual

Climate control
Displ
aymessages
Possible causes/consequences and 0050
0050Solutions
Air Conditioning Malfunc-
tion See Operator's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode. #
Have the climate control sy stem checked at a qualified specialist workshop.
Let fresh air into the vehi-
cle interior. Air Condition-
ing Malf. Visit Workshop *T
he climate contro l system is malfunctioning. &
WARNING Risk of inju ryand accident due toan insuf ficient supply of fresh air
If th e climate control sy stem is malfunctioning, carbon dioxide le vels may inc rease in theve hicle interior.
Breathing in carbon dioxide may cause dizziness. #
Open the window toensure that there is a suf ficient supply of fresh ai r. #
Open the window toensure that there is an adequate supply of fresh air. #
Visit a qualified specialist workshop immediatel y. Soft
top Display messages
Possible causes/consequences and 0050 0050Solutions
0059 *T
he on-board electrical sy stem voltage is too lo w. #
Start the engine. Display messages and
warning/indicator lamps 459

Display messages
Possible causes/consequences and 0050
0050Solutions
12 V Battery See Opera-
tor's Manual
0059
Open/Close Convertible
Top Completely *T
he soft top is not loc ked. If you drive at speeds of more than 37 mph (60 km/h) you cannot open or close the soft
to p. #
Do not drive at speeds greater than 37 mph (6 0 km/h). #
Fully open or close the soft top.
0059 Convertible Top Lowering *T
he soft top is not fully opened or closed. The hydraulics are depressurizing. #
Fully open or close the soft top.
0059 Convertible Top Operation
Possible to 37 mph *I
fyo u drive at speeds of more than 37 mph (6 0 km/h) you cannot open or close the soft top. #
Do not drive at speeds greater than 37 mph (6 0 km/h). #
Fully open or close the soft top.
0059 *T
hevehicle is stationary and you try toopen or close the soft top. #
Depress the brake pedal. #
Push or pull the soft top switch again until the soft top is fully open or closed. 460
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
While stationary, apply the
brakes before operating
the soft top.
0058
Trunk Partition Open *T
he trunk partition is open. #
Close the trunk partition. Lights
Display messages
Possible causes/consequences and 0050 0050Solutions
0049 Intell. Light System Inoper-
ative *T
he Intelligent Light Sy stem is defective. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Visit a qualified specialist workshop.
0049 Check Left Low
Beam (Example) *T
he cor responding light source is defective. #
Drive on carefully. #
Visit a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 461

Display messages
Possible causes/consequences and 0050
0050Solutions
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
0049 Active Headlamps Inopera-
tive *T
he active headlamp s are defective. #
Visit a qualified specialist workshop.
0049 Switch Off Lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch tothe0058 position.
0049 Malfunction See Opera-
tor’s Manual *T
heexterior lighting is defective. #
Visit a qualified specialist workshop.
0049 Switch On Headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch tothe0058 or0058 position. 462
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 Automatic Headlamp Mode
Inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
Inoperative *A
daptive Highbeam Assist is malfunctioning. #
Visit a qualified specialist workshop.
Adaptive Highbeam Assist
Currently Unavailable See
Operator's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (→ page114). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist Now Available display message appears.
Adaptive Highbeam Assist
Camera View Restricted
See Operator's Manual *T
he camera view is restricted. Possible causes are:
R Dirt on the windshield in the camera's field of vision
R Heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: Display messages and
warning/indicator lamps 463

Display messages
Possible causes/consequences and 0050
0050Solutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windshield. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behavior is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y. Instrument Display Prog
ressive setting If
yo u select the progressive display setting, the
positions of the indicator lamps on the instru‐
ment display will change.
Wa rning and indicator lamps:
0058 Low beam(→
page111 )
0060 Pa
rking lights (→ page111 )
0057 High beam(→
page 112) 464
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
Brakes warning lamp (Can‐
ada) #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
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. #
Consult a qualified specialist workshop. #
Do not add brake fluid. #
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. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
0025 ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also malfunction. 466
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Visit a qualified specialist workshop.
0049 Re d indicator lamp, elect ric
parking brake applied (USA
only)
0024 The
red elect ric pa rking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions. #
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 467

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Re d indicator lamp, elect ric
parking brake applied (Can‐
ada only)
0024 Ye llow elect ric pa rking
brake indicator lamp is mal‐
functioning
00E5
ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tire assembly has reached its traction limit (→ page156). #
Adapt your driving style to suit thero ad and weather conditions.
00E5 ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also malfunction. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilization. In addition, other driving saf ety sy stems are
switched off. 468
Display messages and warning/indicator lamps