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

Display messages
Possible causes/consequences and 0050
0050Solutions
¢ Lowering *T
hevehicle le vel may be lo weredfo rth efo llowing reasons:
R you ha veselected a dif fere nt drive program.
R you ha veexc eeded a critical speed.
R you ha vechanged theve hicle le velby pressing a button.
00AD ATTENTION ASSIST Inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop.
Active Blind Spot Assist
Inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Visit a qualified specialist workshop.
ç Off *A
ctive Dis tance Assi stDISTRONIC was deactivated. If a warning tone also sounds, theAc tive Dis tance Assi st
DISTRONIC has deacti vated automatically (→ page168).
ç
- - -mph *A
ctive Dis tance Assi stDISTRONIC cannot be acti vated as not all activation conditions ha vebeen fulfilled. #
Comply with the activation conditions of Active Dis tance Assi stDISTRONIC (→ page 168). Displ
aymessa ges and warning/indicator lamps 439

Display messages
Possible causes/consequences and 0050
0050Solutions
ç Suspended *I
fyo u activate the accelera tor pedal be yond theAc tive Dis tance Assi stDISTRONIC setting, the sy stem will be put
into passive mode (→ page175).
Active Distance Assist Cur-
rently Unavailable See
Operator's Manual *A
ctive Dis tance Assi stDISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (→ page166). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Distance Assist Inop-
erative *A
ctive Dis tance Assi stDISTRONIC is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also malfunction. #
Visit a qualified specialist workshop.
Active Distance Assist Now
Available *A
ctive Dis tance Assi stDISTRONIC is operational again and can be acti vated (→ page 168).
00B2 - - -mph *C
ruise control cannot be activated as not all activation conditions are fulfilled. #
Obser vethe activation conditions for cruise control (→ page165).
Cruise Con trol Off *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (→ page164). 440
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Cruise Control Inoperative *C
ruise control is malfunctioning. #
Visit a qualified specialist workshop.
Active Lane Keeping Assist
Camera View Restricted
See Operator's Manual *
Ve hicles without Active Steering Assis t:the camera view is restricted.
Po ssible 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: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windshield. Engine
Display messages
Possible causes/consequences and 0050 0050Solutions
003D *T
he battery is not being charge d. Display messages and
warning/indicator lamps 441

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 #
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

Engine oil
Display messages
Possible causes/consequences and 0050
0050Solutions
00B3 Engine Oil Level Cannot Be
Measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop.
00B2 Engine Oil Reduce Oil Level *D
isplay message only for cer tain engines:
The engine oil le vel is too high.
* NO
TEEngine dama gecaused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil siphoned off.
00B2 Engine Oil Level Low Stop
Vehicle Turn Engine Off *D
isplay message only for cer tain engines:
The engine oil le vel is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. Display messages and
warning/indicator lamps 445

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. Do not
continue driving under any circums tances. #
Switch off the engine. #
Add1.1 US qt (1 l) engine oil. #
Che ckthe engine oil le vel.
To p up engine oil (→ page 340).
No tes on engine oil (→ page412).
00B2 Engine Oil Pressure Stop
Switch Off Engine *D
isplay message only for cer tain engines:
The engine oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
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.
00B2 *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel. 446
Displaymessa ges and warning/indicator lamps