engine MERCEDES-BENZ E-CLASS CABRIOLET 2018 Manual Online

Engine
Display messagesPossible causes/consequences and 0050Solutions
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he coolant le vel is too lo w.
0075 NO
TEEngine damage duetoinsuf ficient coolant
00BBAv oid long journe yswith insuf ficient coolant.
00BBAd d coolant.
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he coolant is too hot.
00BBPull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions.
0071
WARNING Danger of burn s 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.
00BBBefore opening the hood, allow the engine tocool down.
00BBIntheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
00BBWa it until the engine has cooled down.
00BBMake sure that the air supply tothera diator is not obstructed.
00BBAv oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below there d area.
Display messages and warning/indicator lamps 421

Displaymessages
Possible causes/consequences and 0050Solutions
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he battery is not being charge d.
0075 NO
TEPossible engine damage if you continue dr iving00BBDo not continue driving under any circum stances.
00BBConsult a qualified specialist workshop.
00BBPull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions.
00BBConsult a qualified specialist workshop.
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he engine is off and the battery charge leve l is too lo w.
00BBSwitch off electrical consumers that are not required.
00BBLeavethe engine running for a few minutes, or drive for a longer dis tance.
The battery charge s.
422
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
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he battery is no longer being charge d and the battery charge leve l is too lo w.
0075 NO
TEPossible engine damage if you continue driving00BBDo not continue dr iving under any circum stances.
00BBConsult a qualified specialist workshop.
00BBPull 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.
00BBSwitch off the engine.
00BBConsult a qualified specialist workshop.
003D
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he battery charge leve l is too lo w.
00BBPull 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.
00BBLea vethe engine running.
00BBWa it until the display message disappears before pulling away.
Displ aymessage s andwarning/indicator lamps 423

Displaymessages
Possible causes/consequences and 0050Solutions
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he engine oil le vel has dropped tothe minimum le vel.
0075 NO
TEEngine damage causedbydriving with insuf ficient engine oil00BBAv oid long journe yswith insuf ficient engine oil.
00BBCheck the engine oil le vel when next refueling.
To p up the engine oil (
→page 318).
No tes on engine oil (
→page 389).
00B6
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he fuel supply has dropped into there ser verange.
00BBRe fuel.
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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.
00BBClose the fuel filler cap.
00BBIf th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
00AC
*T hefan mo tor is defective.
00BBAv oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below there d marking.
424
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
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he SmartK eyis cur rently und etected.
00BBChange the location of the SmartK eyintheve hicle.
00BBIfth e SmartK eyisstill not recognized, start the engine with the SmartK eyinthestow age compartment.
00AF
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he SmartK eycannot be de tected and may no longer be in theve hicle.
The SmartK eyis no longer in theve hicle and youswit choff the engine:Ryo u can no longe rst art the engine.
Ryo u cannot centrally lock theve hicle.
00BBEnsure that the SmartK eyis in theve hicle.
If th e SmartK eydetection function has a malfunction due toast ro ng radio signal source:
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBPlace the SmartK eyinthestow age compartment forst arting the engine with the SmartK ey.
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warning tone also sounds. This message reminds youto take your SmartK eywith you when you lea vetheve hicle.
Display messages and warning/indicator lamps 431

Displaymessages
Possible causes/consequences and 0050Solutions
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he SmartK eydetection function is malfunctioning.
00BBChange the location of the SmartK eyintheve hicle.
00BBStart theve hicle with the SmartK eyinthestow age compartment.
Vehicle
Display messages
Possible causes/consequences and 0050Solutions
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Yo u ha veattem ptedto shift the transmission out of position 005Dand into ano ther transmission position.
00BBDepress the brake pedal.
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Yo u ha veattem ptedto shift the transmission out of position 005Dor005C into ano ther transmission position.
00BBDepress the brake pedal.
00BBSt art the engine.
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The driver&#39;s door is not fully closed and the transmission is in position 005E,005Cor005B.
00BBShift the transmission toposition 005Dwhen you park theve hicle.
432
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
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The transmission is malfunctioning. The transmission shifts toposition 005Cautomaticall y.
00BBPullover and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBSwitch the transmission toposition 005D.
00BBConsult a qualified specialist workshop.
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he transmission is malfunctioning. Reversege ar can no longe r be engaged.
00BBVisit a qualified specialist workshop.
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he transmission is overheating. Pulling away may be temp orarily impaired or not possible.
00BBPull 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.
00BBLea vethe engine running.
00BBWa it until the display message disappears before pulling away.
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he auxiliary batteryforth e transmission is no longer being charge d.
00BBVisit a qualified specialist workshop.
00BBUn tilthen, alw ays manually set the transmission toposition 005Dbefore youswit choff the engine.
00BBBefore leaving theve hicle, apply the electric parking brake.
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peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode.
00BBHa ve the climate control sy stem checked at a qualified specialist workshop.
434
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
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he po wer assi stance forth esteering is malfunctioning.
0071
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely,yo uwill need touse more forc eto steer.
00BBIf safe steering is possible, drive on carefully.
00BBVi sit or consult a qualified specialist workshop immediatel y.
00BBIf safesteering is possible, drive on carefully.
00BBVi sit or consult a qualified specialist workshop immediatel y.
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he active hood (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered.
00BBVi sit a qualified specialist workshop.
0083
*T he hood is open.
0071
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.
00BBNever unlatch the engine hood while driving.
00BBBefore every trip, ensure that the engine hood is latched.
00BBPull over and stop theve hicle safely as soon as possible.
00BBClose the hood.
Display messages and warning/indicator lamps 437

Displaymessages
Possible causes/consequences and 0050Solutions
0051
*At least one door is open.
00BBClose all doors.
0084
*The trunk lid is open.
0071
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the trunk lid is open when the engine is running, especially if theve hicle is in motion.
00BBAlw ays switch off the engine before opening the trunk lid.
00BBNe ver drive with the trunk lid open.
00BBClose the trunk lid.
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he cor responding seat backrest of there ar bench seat is not engaged.
00BBFoldthe cor responding seat backrest back until it engages.
438
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
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hewasher fluid leve l in thewa sher fluid reser voir has dropped below the minimum.
00BBTo p up thewa sher fluid.
Soft top
Displa ymessages
Possible causes/consequences and 0050Solutions
0067
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heroll bars are defective.
00BBVisit a qualified specialist workshop immediatel y.
0059
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he on-board electrical sy stem voltage is too lo w.
00BBStart the engine.
Display messages and warning/indicator lamps 439