Page 369 of 453
Drive sy
stem Display messages
Possible causes/consequences and M
MSolutions
v Towing not permitted See
Owner's Manual *T
he drive sy stem is malfunctioning. #
Have theve hicle transpor ted only using a transpor ter or trailer (/ page 320).
ò
Acoustic presence indica-
tor inoperative *T
he sound generator (acou stic vehicle warning sy stem) is malfunctioning. Nodriving noises are being produced.
The vehicle may not be heard by otherroad users. #
Drive with particular care. #
Consult a qualified specialist workshop.
To switch off the engine,
press Start/Stop button
for at least 3 seconds or 3
times. *Y
ou ha vepressed thest art/ stop button while theve hicle is in motion. #
Toswitch off the drive sy stem while theve hicle is in motion (/ page152). 366
Displaymessa ges and warning/indicator lamps
Page 370 of 453

Display messages
Possible causes/consequences and M
MSolutions
+ Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEDama getothe drive sy stem due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Have the cooling sy stem of the drive sy stem checked at a qualified specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the drive sy stem. &
WARNING Risk of inju rydue todrive sy stem overheating
If yo u open the bonn etintheeve nt of an overheated drive sy stem or fire inthe engine compartment, thefo llow‐
ing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating fluids. #
Intheeve nt of overheating or a fire inthe engine compartment, keep the bonn etclosed and call thefire
service. #
Allow theove rheated drive sy stem tocool down if the engine must be opened. #
Wait until the drive sy stem has cooled down. #
Make sure that the air supply totheve hicle radiator is not obstructed. Display messages and
warning/indicator lamps 367
Page 371 of 453

Display messages
Possible causes/consequences and M
MSolutions #
Avoiding high loads on the drive sy stem, drive tothe nearest qualified specialist workshop.
ÿ *T
he cooling sy stem has de tected a component fault. #
Avoiding high loads on the drive sy stem, drive tothe nearest qualified specialist workshop.
è
Charger cable connected *Y
ou cannot pullaway while thech arging cable is connec ted. #
Disconnect thech arging cable from theve hicle.
Not possible to unlock
charging cable See Own-
er's Manual *T
hecharging cable connec tor cannot be remo ved from thech arging station's soc ket. #
Press the EMERG ENCY OFF switch on thech arging station.
If th ech arging cable connec tor cannot be remo ved af terth at: #
Request service personnel from the operator of thech arging station via the emer gency call button attached to
th ech arging station or the emer gency call numbe rs.
Vehicle not currently being
charged Charging station
fault *A
malfunction has occur red in thech arging station or the RFID card is not recognised. #
Start thech arging process at a dif fere nt charging station.
or #
Have the RFID card checkedto ensure it is functioning. 368
Display messages and warning/indicator lamps
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Display messages
Possible causes/consequences and M
MSolutions
Charging method currently
unavailable Please try
again or change charging
method *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a dif fere nt charging station.
Charging fault Please
change charging method
See Owner's Manual *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a dif fere nt charging station.
Reduced drive system per-
formance See Owner's
Manual *T
he drive sy stem is outside the normal operating temp erature range, e.g. due toextreme low or high outside tem‐
peratures.
Drive sy stem po wer output is reduced. The yellow _ reduced po wer output warning lamp is lit.
Once the operating temp erature of the drive sy stem returns tonormal (e.g. af ter a short trip), the full output will be
av ailable again. The display message and theye llow _ reduced po wer output warning lamp will go out. #
Drive on carefull y.
*T he high-voltage battery is not charge d suf ficientl y.
Drive sy stem po wer output is reduced. The yellow _ reduced po wer output warning lamp is lit. #
Drive on carefull y. #
Char gethe high-voltage battery immediatel y. Displ
aymessa ges and warning/indicator lamps 369
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Display messages
Possible causes/consequences and M
MSolutions
*I fth e drive sy stem po wer output is still reduced, there is a fault in the drive sy stem. #
Drive on carefull y. #
Consult a qualified specialist workshop.
Û Stop immediately Drive will
be deactivated Charge
high-volt. battery *T
hecharge leve l of the high-voltage battery is so low that it is no lon ger possible todrive theve hicle. The drive
sy stem can no longer be restar ted.
When the drive sy stem is restar ted, the message Stop immediately Drive will be deactivated Charge high-volt. bat-
tery will appear again. #
Char gethe high-voltage battery (/ page163).
Û
Battery overheated Stop,
everybody out! Outdoors if
possible *T
he high-voltage battery has overheated. There is a risk of fire. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
If possible, stop theve hicle in the open air and ensure that all vehicle occupants get out.
% Suppo rting vehicle functions may activate automaticall y,e.g. the air-recirculation mode as part of climate con‐
trol. #
Do not continue driving. #
If smoke is present, lea vethe danger zone and call thefire service immediately. #
Consult a qualified specialist workshop even if there are no extern al signs of a fire. 37 0
Displaymessa ges and warning/indicator lamps
Page 374 of 453

Display messages
Possible causes/consequences and M
MSolutions
Û Malfunction *T
he drive sy stem is malfunctioning. A warning tone will also sound. #
Consult a qualified specialist workshop.
*T here is a serious malfunction if the display message and warning tone are repeated at short inter vals. You must
st op theve hicle immediately in accordance with the traf fic conditions because the drive sy stem is automatically
deactivated. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Switch off the ignition and consult a qualified specialist workshop.
Û
Malfunction Visit workshop *T
he drive sy stem is malfunctioning. #
Consult a qualified specialist workshop.
Without starting engine
again, consult workshop *I
t is not possible torestart the drive sy stem due toa malfunction. #
Do not swit choff the drive sy stem; drive on tothe nearest qualified specialist workshop.
Ý
Reserve level Charge high-
voltage battery *T
hecharge leve l of the high-voltage battery has dropped into there ser verange. #
Charge the high-voltage battery (/ page163). Displ
aymessa ges and warning/indicator lamps 371
Page 375 of 453
Display messages
Possible causes/consequences and M
MSolutions
# 12 V battery See Owner's
Manual *T
he drive sy stem is off and thech arge leve l is too lo w. #
Switch off electrical consumers that are not required. #
Char gethe12 V battery when stationar y.
d
Malfunction *T
he drive sy stem is malfunctioning. The output of your vehicle is restricted. #
Consult a qualified specialist workshop.
d Stop Switch engine off *T
he drive sy stem is malfunctioning. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the drive sy stem. Do not
continue driving. #
Do not tow theve hicle, stop towing if necessar y. #
Consult a qualified specialist workshop.
d Malfunction Visit workshop *T
he drive sy stem is malfunctioning. #
Consult a qualified specialist workshop. 372
Displaymessa ges and warning/indicator lamps
Page 376 of 453

Display messages
Possible causes/consequences and M
MSolutions
High-voltage battery main-
tenance required urgently.
No start in approx. XXX km
(yellow display message) *A
fault has occur red in the high-voltage batter y.
It is no longer possible tostart the drive sy stem af terth e dis tance displ ayed has been co vered. #
Have the necessary maintenance workon the high-voltage battery car ried out at a qualified specialist work‐
shop.
High-voltage battery main-
tenance required urgently.
No start in approx. XXX
km(red display message) *A
fault has occur red in the high-voltage batter y.
It is no longer possible tostart the drive sy stem af terth e dis tance displ ayed has been co vered. #
Have the necessary maintenance workon the high-voltage battery car ried out immediately at a qualified spe‐
cialist workshop.
High-voltage battery main-
tenance required urgently.
Without engine restart, con-
sult workshop *A
fault has occur red in the high-voltage batter y.
It is no longer possible torestart the drive sy stem once it has been switched off. #
Do not switch off the drive sy stem; drive on tothe nearest qualified specialist workshop. Display messages and
warning/indicator lamps 373