2019 MERCEDES-BENZ S-CLASS CABRIOLET warning

Display messages
Possible causes/consequences and 0050
0050Solutions #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediatel y.
0027
(USA only)
004D (Canada only)
Check Brake Fluid Level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
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. #
Do not add brake fluid. #
Consult a qualified specialist workshop.
Radar Sensors Dirty See
Operator's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes are:
R Dirt on the sensors
R Heavy rain or snow 424
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
R Exte nded country driving wi thout other traf fic, e.g. in the desert
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: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean all senso rs (→page 352). #
Restart the engine.
0025
00E5
Currently Unavailable See
Operator's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be temp orarily una vailable.
The brake sy stem continues tooperate normally. The braking dis tance in an emergency braking situation can
increase. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilization.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. Displ
aymessa ges and warning/indicator lamps 425

Display messages
Possible causes/consequences and 0050
0050Solutions #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. #
Carefully drive on a suitable stre tch of road, making slight steering mo vements at a speed abo ve19 mph
(30 km/h). #
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
0025
00E5
Inoperative See Operator's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also malfunction.
The brake sy stem continues tooperate normally. The braking dis tance in an emergency braking situation can
increase. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilization.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance 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 ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediatel y.426
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
00E5 Inoperative See Operator's
Manual *
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also malfunction.
The brake sy stem continues tooperate normally. The braking dis tance in an emergency braking situation can
increase. &
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. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediatel y.
0075
SRS Malfunction Service
Required *T
herestra int sy stem is defective (→ page31). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or
airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. Display messages and
warning/indicator lamps 427

Display messages
Possible causes/consequences and 0050
0050Solutions
De tection of a restra int sy stem malfunction:
R The 0075 restra int sy stem warning lamp does not light up when the ignition is switched on.
R The 0075 restra int sy stem warning lamp lights up continuously or repeatedly during a journe y. #
Visit a qualified specialist workshop immediatel y.
0075
Front Left Malfunction
Service Required (Example)*T
he cor responding restra int sy stem is malfunctioning (→ page31). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or
airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem malfunction:
R The 0075 restra int sy stem warning lamp does not light up when the ignition is switched on.
R The 0075 restra int sy stem warning lamp lights up continuously or repeatedly during a journe y. #
Visit a qualified specialist workshop immediatel y.
0075 *T
he cor responding window cur tain airbag is malfunctioning (→ page31). 428
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Left Side Curtain Airbag
Malfunction Service
Required (Example) &
WARNING Risk of inju ryor fata l injury due tomalfunctions in the window airbag
If th e window airbag is malfunctioning, it might be triggered unintentionally or might not be triggered at all in
th eev ent of an accident with high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Visit a qualified specialist workshop immediatel y.
Front Passenger Airbag
Enabled See Operator's
Manual *T
he front passenger airbag and knee airbags are enabled during the journey:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger air bag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger air bag is
enabled, the front passenger air bag can deploy in theev ent of an accident.
The child could be stru ck bythe air bag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger air bag is cor rect. Display messages and
warning/indicator lamps 429

Display messages
Possible causes/consequences and 0050
0050Solutions
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIR BAG; DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page 42). #
If necessar y,consult a qualified specialist workshop immediatel y.
Front Passenger Airbag Dis-
abled See Operator's Man-
ual *T
he front passenger airbag and the knee airbag are deactivated, although an adult or a person with an adult stature
is on the front passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be
to o lo w. &
WARNING Risk of inju ryor fata l injury due toa disabled front passenger airbag
If th e front passenger airbag is disabled, the front passenger airbag will not be deplo yed in theev ent of an acci‐
dent and cann otper form its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle's interior,
especially if the person is sitting too close tothe cockpit. #
Make sure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page 42). #
If necessar y,consult a qualified specialist workshop immediatel y.430
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Visit a qualified specialist workshop.
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits . #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
PRE-SAFE Inoperative See
Operator's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Visit a qualified specialist workshop.
Mercedes me connect
Services Limited See Oper-
ator's Manual *S
ervice limited.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (→ page 23). #
Visit a qualified specialist workshop. Display messages and
warning/indicator lamps 431