2019 MERCEDES-BENZ S-CLASS CABRIOLET brake

Display messages
Possible causes/consequences and 0050
0050Solutions
The yellow 0024 indicator lamp is lit and there d0049 (USA only) or 0024(Canada only) indicator lamp is flashing.
The electric parking brake is malfunctioning.
The electric parking brake could not be applied or released. #
Swit choff the ignition and switch it back on.
To appl y: #
Release and then apply the electric parking brake manually (→ page153).
To release: #
Apply and then release the electric parking brake manuall y.
If th e electric parking brake cann otbe applied or there d0049 (USA only) or 0024(Canada only) indicator lamp
continues toflash: #
Do not continue driving under any circum stances. Consult a qualified specialist workshop. #
Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow 0024 indicator lamp is on and there d0049 indicator lamp (USA only) or the0024 indicator lamp (Can‐
ada only) flashes for appro ximately ten seconds af terth e electric parking brake has been applied or released. It
th en remains lit or goes out. The electric parking brake is malfunctioning.
If th e bat tery charge leve l is too lo w: #
Char gethe batter y.
To appl y: Displ
aymessa ges and warning/indicator lamps 421

Display messages
Possible causes/consequences and 0050
0050Solutions #
Switch off the ignition.
The electric parking brake is applied automaticall y.
If th e electric parking brake should not be applied, e.g. when washing theve hicle in an automatic car wash or when
having theve hicle towe d, lea vethe ignition switched on. This does not include having theve hicle towe d with the
re ar axle raised.
If th e electric parking brake is not applied automatically: #
Switch off the ignition and switch it back on. #
Release and then apply the electric parking brake manually (→ page153).
If it is still not possible toapply the electric parking brake: #
Visit a qualified specialist workshop. #
Where necessar y,also safeguard the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (→ page153).
If it is still not possible torelease the electric parking brake: #
Do not continue driving under any circums tances. Consult a qualified specialist workshop. 422
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 (USA only)
0024 (Canada only)
Please Release Parking
Brake *
The red0049 (USA only) or 0024(Canada only) indicator lamp flashes.
The electric parking brake is applied while you are driving:
R A condition for auto matic release of the electric parking brake is not fulfilled (→ page152).
R You are per form ing emer gency braking using the electric parking brake (→ page153). #
Che ckthat the conditions for auto matic release of the electric parking brake are fulfilled. #
Release the electric parking brake manually.
007A
0025
00E5
Inoperative See Operator's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also malfunction. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can 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 423

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
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