2018 MERCEDES-BENZ E-CLASS CABRIOLET Owner's Manual

Displaymessages
Possible causes/consequences and 0050Solutions
003D
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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
00B2
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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.
00B6
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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

Tire s
Displa ymessages
Possible causes/consequences and 0050Solutions
&KHFN 7LUH 3UHVVXUH 6RRQ *C
anada only :
The tire pressure loss warning sy stem has de tected a significant loss in pressure.
0071
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBObser vethere commended tire pressure.
00BBAd just the tire pressure if necessar y.
00BBStop theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tire pressure and the tires.
00BBWhen the tire pressure is cor rect, restart the tire pressure loss warning sy stem.
Display messages and warning/indicator lamps 425

Displaymessages
Possible causes/consequences and 0050Solutions
&KHFN 7LUH 3UHVVXUH 7KHQ
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anada only :
The tire pressure loss warning sy stem generated a displ aymessage and has not been restar ted since.
00BBWhen the tire pressure is cor rect, restart the tire pressure loss warning sy stem.
5XQ )ODW ,QGLFDWRU ,QRSHUD
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anada only :
The tire pressure loss warning sy stem is malfunctioning.
00BBVi sit a qualified specialist workshop.
0077
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he tire pressure is too low in at least one of the tires, or the tire pressure dif fere nce between the wheels is too
great.
00BBCheck the tire pressure and add air, if necessar y.
00BBWhenthe tire pressure is cor rect, restart the tire pressure monitoring sy stem.
426
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
0077
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he tire pressure in one or more tires has dropped significantl y.The wheel position is displa yed.
0071
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBObser vethere commended tire pressure.
00BBAd just the tire pressure if necessar y.
00BBStop theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tire pressure and the tires.
Display messages and warning/indicator lamps 427

Displaymessages
Possible causes/consequences and 0050Solutions
0077
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he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed.
0071
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
RThe tires can overheat and cause a fire .
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBDo not drive with a flat tire.
00BBObserv eth e no tes on flat tires.
No tes on flat tires (→page 332).
00BBSt op theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tires.
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o signals can be receive d from the tire pressure sensors due tostro ngradio signal source inter fere nce. The tire
pressure monito ring sy stem is temp orarily una vailable.
00BBDrive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
428
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
0077
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here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
00BBHave the defective tire pressure sensor replaced at a qualified specialist workshop.
7LUH 3UHVVXUH 0RQLWRU ,QRS
HUDWLYH 1R :KHHO 6HQVRUV *T
he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
00BBIns tall wheels with suitable tire pressure sensors.
7LUH 3UHVV 0RQLWRU ,QRSHUD
WLYH *T
he tire pressure monitoring sy stem is defective.
0071
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
00BBHa ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
00BBVisit a qualified specialist workshop.
7LUHV 2YHUKHDWHG *A
t least one tire is overheating. The af fected tires are displ ayed in red. At temp eratures close tothe limit value, the
tires are displa yed in yello w.
00BBDrive more slow ly.
Displ aymessage s andwarning/indicator lamps 429

Displaymessages
Possible causes/consequences and 0050Solutions
7LUHV 2YHUKHDWHG 'HFUHDVH
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t least one tire is overheating.
0071
WARNING Risk of an accident from driving wi thove rheated tires
Overheated tires may bur st, particularly at high speeds.
00BBRe duce speed so that the tires cool down.
00BBRe duce speed so that the tires cool down.
SmartK ey
Displaymessages
Possible causes/consequences and 0050Solutions
00AF
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he SmartK eyneeds tobe replaced.
00BBVisit a qualified specialist workshop.
00AF
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he SmartK eybattery is dischar ged.
00BBRe place the batter y.
430
Display messages and warning/indicator lamps