engine MERCEDES-BENZ S-CLASS CABRIOLET 2019 Manual Online

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

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

Display messages
Possible causes/consequences and 0050
0050Solutions
Transmission Malfunction
Stop #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition 005D. #
Consult a qualified specialist workshop.
Stop Vehicle Leave Engine
Running Wait Transmission
Cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
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.
To Deselect P or N,
Depress Brake and Start
Engine *
Yo u ha veattem ptedto shift the transmission out of position 005Dor005C into ano ther transmission position. #
Depress the brake pedal. #
Start the engine.
Apply Brake to Shift from
'P' *
Yo u ha veattem ptedto shift the transmission out of position 005Dand into ano ther transmission position. #
Depress the brake pedal.
Service Required Do Not
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. #
When the transmission is in position 005B, consult aqualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop or breakdown service.
*T he transmission is malfunctioning. Reversege ar can no lon ger be engaged. 448
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Reversing Not Possible
Service Required #
Visit a qualified specialist workshop.
Auxiliary Battery Malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Visit a qualified specialist workshop. #
Untilthen, manually set the transmission toposition 005Dbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake.
N Permanently Active Risk
of Rolling Away *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position 005C. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition 005D. #
Tocontinue your journe y,shift the transmission toposition 005Bor005E.
Only Shift to 'P' when Vehi-
cle is Stationary *
The transmission can only be shif tedto position 005Dwhen theve hicle is stationar y.
Driver's Door Open &
Transmission Not in P Risk
of Vehicle Rolling Away *
The driver's door is not fully closed and the transmission is in position 005E,005Cor005B. #
Shift the transmission toposition 005Dwhen you park theve hicle.
To Engage Transmiss. Posi-
tion R First Depress the
Brake *
You ha vetried toswitch totransmission position 005E. #
Dep ress the brake pedal. #
Shift the transmission toposition 005E.
Shift to 'P' *
Shift the selector le verto position 005D. Display messages and
warning/indicator lamps 449

Display messages
Possible causes/consequences and 0050
0050Solutions #
Pull over and stop theve hicle. #
Shift the transmission toposition 005D.
Shift to 'P' or 'N' to Start
Engine *
You ha vetried tostart the engine in transmission position 005Dor005C. #
Shift the transmission toposition 005Dor005C. Ti
res Display messages
Possible causes/consequences and 0050 0050Solutions
0077 Warning Tire Malfunction *T
he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
R The tires can overheat and cause a fire.
R The driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tire. #
Obse rveth e no tes on flat tires. No
tes on flat tires (→ page 356). 450
Display messages and warning/indicator lamps

SmartK
ey Display messages
Possible causes/consequences and 0050
0050Solutions
00AF Key Not Detected (red dis‐
play message) *T
he SmartK eycannot be de tected and may no longer be in theve hicle.
The SmartK eyis no longer in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that the SmartK eyis in theve hicle.
If th e SmartK eydetection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place the SmartK eyinthe mar ked space forst arting the engine with the SmartK ey (→page 132).
00AF Ob tain a New Key *T
he SmartK eyneeds tobe replaced. #
Visit a qualified specialist workshop.
00AF Key Not Detected (white
display message) *T
he SmartK eyis cur rently und etected. #
Change the location of the SmartK eyintheve hicle. #
Ifth e SmartK eyisstill not recognized, start the engine with the SmartK eyinthe mar ked space (→ page132). 454
Displaymessa ges and warning/indicator lamps

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. #
Consult a qualified specialist workshop.
00CC Steering Malfunction
Increased Physical Effort
See Operator's Manual *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.
Active Hood Malfunction
See Operator's Manual *T
he active hood (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
0083 *T
he hood is open. &
WARNING Risk of accident if the engine hood is unlatched while driving
An unloc ked engine hood may open up when theve hicle is in motion and block your vie w. #
Never unlatch the engine hood while driving. #
Before every trip, ensure that the engine hood is latched. Display messages and
warning/indicator lamps 457