MERCEDES-BENZ C-CLASS CABRIOLET 2018 Owners Manual

Display messages
Possible causes/consequences and 0050
0050Solutions
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. 0007
Switch off electrical consumers that are not required. 0007
Connect a suitable charge r appro vedby Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (0013 page 420).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. 0007
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y.
00AC *T
hefan mo tor is defective. 0007
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 120 °C.
00AC
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 000A
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. 0007
Before opening the bonn et, allow the engine tocool down. 0007
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. 498
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Wait until the engine has cooled down. 0007
Make sure that the air supply tothera diator is not obstructed. 0007
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 120 °C.
00D7
Please wait Charging high-
voltage battery *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. 0007
Start the engine. 0007
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: 0007
Tryto start the engine again. 0007
Ifth e engine does not start, consult a qualified specialist workshop.
003D
48 V battery See Owner's
Manual *T
he 48 V sy stem is malfunctioning. Con venience functions may be restricted. 0007
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 499

Display messages
Possible causes/consequences and 0050
0050Solutions
00B6 Reserve fuel level *T
he fuel supply has dropped into there ser verange. 0007
Refuel. 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. 0007
Consult a qualified specialist workshop.
00B2 Engine oil level Reduce oil
level *D
isplay message only for cer tain engines:
The engine oil le vel is too high.
000E NO
TEEngine dama gecaused bydriving with excess engine oil 0007
Avoid long journe yswith excess engine oil. 0007
Consult a qualified specialist workshop immediately and ha vethe engine oil siphoned off. 500
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
00B2 Engine oil level Stop vehi-
cle Switch engine off *D
isplay message only for cer tain engines:
The engine oil le vel is too lo w.
000E NO
TEEngine dama gecaused bydriving with insuf ficient engine oil 0007
Avoid long journe yswith insuf ficient engine oil. 0007
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. 0007
Switch off the engine. 0007
Add 1 l engine oil. 0007
Check the engine oil le vel.
To p up engine oil (0013 page 392).
No tes on engine oil (0013 page 464).
00B2
Engine oil pressure Stop
Switch off engine *D
isplay message only for cer tain engines:
The engine oil pressure is too lo w.
000E NO
TEEngine dama gecaused bydriving with insuf ficient engine oil pressure 0007
Avoid driving with insuf ficient engine oil pressure. Display messages and
warning/indicator lamps 501

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
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. 0007
Consult a qualified specialist workshop.
00B2 Add 1 litre engine oil when
next refuelling *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel.
000E NO
TEEngine dama gecaused bydriving with insuf ficient engine oil 0007
Avoid long journe yswith insuf ficient engine oil. 0007
When next refuelling, add 1 litre of engine oil.
To p up engine oil (0013 page 392).
No tes on engine oil (0013 page 464).
00B2
Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
000E NO
TEEngine dama gecaused bydriving with insuf ficient engine oil 0007
Avoid long journe yswith insuf ficient engine oil. 0007
Check the engine oil le vel when next refuelling.
To p up the engine oil (0013 page 392).502
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
No tes on engine oil (0013 page 464).Exhaust
gas af tertre atment Display messages
Possible causes/consequences and 0050
0050Solutions
00C8 Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. 0007
Top up AdBlue ®
immediately (0013 page 172).
00C8 Refill AdBlue Eng. start not
possible *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. 0007
Top up at least 4.5 l of AdBlue ®
(0013 page 172). 0007
Switch the ignition on.
Yo u can restart the engine af ter appro ximately one minu te.
0099
AdBlue system fault See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. 0007
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 503

Display messages
Possible causes/consequences and 0050
0050Solutions
0099 AdBlue system fault Perf.
reduced in XXX km See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. Performance will be reduced af terth ere maining dis tance displ ayed has
been co vered. 0007
Consult a qualified specialist workshop immediatel y.
0099
AdBlue system fault Perf.
reduced: XXX mph No start
in XXX miles *
Po we rre duction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. 0007
Consult a qualified specialist workshop immediatel y.
0099
AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. 0007
Consult a qualified specialist workshop immediatel y.
00C8 *
The low AdBlue ®
leve l will lead tolimited per form ance abo vethe speed displa yed.
Af terth e displa yedre maining dis tance has been co vered, it will no longer be possible tostart the engine. 0007
Top up AdBlue ®
immediately (0013 page 172). 504
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Top up AdBlue Perf.
reduced: XXX km/h No
start in XXX km
00C8
Top up AdBlue Perf.
reduced in XXX miles See
Owner's Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been driven. 0007
Top up AdBlue ®
immediately (0013 page 172). Tr
ansmission Display messages
Possible causes/consequences and 0050 0050Solutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toposition 005Cautomaticall y. 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. 0007
Switch the transmission toposition 005D. 0007
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. Display messages and
warning/indicator lamps 505

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
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. 0007
Lea vethe engine running. 0007
Wait until the display message disappears before pulling away.
To shift out of 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. 0007
Depress the brake pedal. 0007
Start the engine.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of position 005Dand into ano ther transmission position. 0007
Depress the brake pedal.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. 0007
When the transmission is in position 005B, consult aqualified specialist workshop and do not change the trans‐
mission position. 0007
For all other transmission positions, park theve hicle safely. 0007
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Reversege ar can no lon ger be engaged. 0007
Consult a qualified specialist workshop.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. 0007
Consult a qualified specialist workshop. 506
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Untilthen, manually set the transmission toposition 005Dbefore you swit choff the engine. 0007
Before leaving theve hicle, apply the electric parking brake.
Clutch overheated Avoid
pulling away for XX:XX mins *T
he clutch is under considerable load and is overheating.
Av oid frequent pulling away and driving at walking pace over longer dis tances. 0007
Stop theve hicle, paying attention toroad and traf fic conditions, and le avethe engine running.
The clutch will cool more quickly when the engine is running.
or 0007
If possible, continue driving at a steady speed and remo veyour foot from the clutch pedal. Do not ride the
clutch.
The clutch will cool while theve hicle is in motion.
When the clutch has cooled down, the display message will disappear.
Depress clutch fully to
start engine *Y
ou ha veattem ptedto start the engine without depressing the clutch pedal. 0007
Depress the clutch pedal and then start the engine.
The engine has stalled while theve hicle was pulling away, e.g. because the clutch pedal wasre leased tooqu ickl y. 0007
Dep ress the clutch pedal again.
The engine will start automaticall y. 0007
Slowly release the clutch pedal topull away.
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position 005C. 0007
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition 005D. Display messages and
warning/indicator lamps 507