MERCEDES-BENZ E-CLASS SALOON 2021 Owners Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2021, Model line: E-CLASS SALOON, Model: MERCEDES-BENZ E-CLASS SALOON 2021Pages: 557, PDF Size: 9.69 MB
Page 441 of 557

Displa
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Solutions
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a quali/ed specialist workshop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
The PRE‑SAFE ®
Impulse Side system is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop. K K
e
ey
y Displa
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ossible causes/conseq uences and
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Solutions
Á
Replace key *H
aveth eke yre placed. #
Consult a quali/ed specialist workshop.
Á
Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 80).438
438
Display messages and
warning/indicator lamps
Page 442 of 557

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Á
Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 168).
Á Key not detected (red dis-
play message) *T
hekey cann otbe de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you switch o. theve hicle:
R You can no longer start theve hicle.
R You cannot centrally lock theve hicle. #
Ensu rethat theke y is in theve hicle.
If th eke y de tection function has a malfunction due toa st rong radio signal source: #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Place theke y in the slot for starting the engine with theke y (/ page 168).
Á Key being initialised Please
wait *T
hevehicle is processing in order to teach in the new key. #
Wait until processing is comple te. Display messages and
warning/indicator lamps
439
439
Page 443 of 557

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ossible causes/consequences and uences and0050
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Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot for starting the engine with theke y (/ page 168). Lights Lights
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ossible causes/conseq uences and
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Solutions
:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 392).440
440
Display messages and
warning/indicator lamps
Page 444 of 557

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ossible causes/consequences and uences and0050
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Solutions
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop.
:
Active Light System inoper-
ative *T
he active headlamps are malfunctioning. #
Consult a quali/ed specialist workshop.
:
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch tothe0058 or0058 position.
:
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch tothe0058 position. Display messages and
warning/indicator lamps
441
441
Page 445 of 557

Displa
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ossible causes/consequences and uences and0050
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:
Intelligent Light System
inoperative *T
he Intelli gent Light System is malfunctioning. The lighting system continues tofunction proper lywithout the functions
of the Intelligent Light System. #
Consult a quali/ed specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is tempo rarilyuna vailable.
The system limits ha vebeen reached (/ page 139).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist available again displaymessage will appear. #
Drive on #
Operate the high beam manually until Adaptive High Beam Assist is available again.
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. #
Until then, operate the high beam manuall y.442 442
Display message
s andwarning/indicator lamps
Page 446 of 557

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Displa
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es Possible causes/conseq
ossible causes/consequences and uences and0050
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Solutions
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is tempo rarilyuna vailable.
The system limits ha vebeen reached (/ page 140).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist Plus available again displaymessage will appear. #
Drive on #
Operate the high beam manually until Adaptive High Beam Assist Plus is available again.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. #
Until then, operate the high beam manuall y.
Hazard warning lamps mal-
functioning *T
he hazard warning lamp switch is malfunctioning. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
443
443
Page 447 of 557

Climat
Climat
e contr
e contr ol
ol Displa
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ossible causes/conseq uences and
uences and0050
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Solutions
003B
inoperative See Owner's
Man. *T
he stationary heater is temp orarily malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine has cooled down, make up tofour attem ptsto
switch on the stationary heater, waiting se veral minutes between each attem pt. #
Ifth e stationary heater does not switch on, consult a quali/ed specialist workshop.
003B
inoperative Battery low *T
he on-board elect rical system voltage is too lo w.
The stationa ryheater has switched itself o.. #
Drive an extended distance until the battery has reached a su1cient charge leve l again.
003B
inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary hea ter cannot be switched on. #
Refuel theve hicle. 444 444
Displ
aymessages and warning/indicator lamps
Page 448 of 557

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Solutions
003B
inoperative High-voltage
battery charging incom-
plete *T
he high- voltage battery is charging. Pre-ent ryclimate cont rol cannot be switched on. #
Wait until thech arging process has achie ved a minimum charge.
003B
inoperative Charge HV bat-
tery *T
hecharge ofthe high-voltage battery is too lo w.Pre-entry clima tecont rol cannot be switched on. #
Char gethe high-voltage batter y.
003B Pre-entry climate control
(via key) available again
after engine start *Y
ou ha veattem pted toswitch on pre-ent ryclimate cont rol more than twice with the engine switched o.. #
Start theve hicle forte n seconds.
Pre-entry clima tecont rol is operational again. Display message
s andwarning/indicator lamps
445 445
Page 449 of 557

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003B
Pre-entry climate control
(via key) inoperative HV-
battery low *T
hecharge ofthe high-voltage battery is too lo w.Pre-entry clima tecont rol cannot be switched on. #
Char gethe high-voltage batter y.
When the high-voltage battery is su1ciently charge d, pre-ent ryclimate cont rol will be operational again. Hybr Hybr
id syst
id syst em
em Displa
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u
Towing not permitted See
Owner's Manual *T
he drive system is malfunctioning. #
Have theve hicle transpo rted only using a transpor ter or trailer (/ page 387).446 446
Display messages and
warning/indicator lamps
Page 450 of 557

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ossible causes/consequences and uences and0050
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Solutions
ò
Acoustic presence indica-
tor inoperative *T
he sound generator (acoustic vehicle warning system) is malfunctioning. No driving noises are being produced. The
ve hicle may not be heard by otherroad users. #
Drive with particular care. #
Consult a quali/ed specialist workshop.
00E5
Charger cable connected *Y
ou cannot pull away while thech arging cable is connected. #
Disconnect thech arging cable from theve hicle.
Not possible to unlock
charging cable See Own-
er's Manual *T
hecharging cable connector cann otbe remo ved from thech arging station's soc ket. #
Press the EMERGENCY OFF switch on thech arging station.
If th ech arging cable connector cann otbe remo ved aTer that: #
Request service personnel from the operator of thech arging station via the emer gency call button attached tothe
ch arging station or the emer gency call numbers.
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 di.erent charging station.
or #
Have the RFID card checkedto ensure it is functioning. Display messages and
warning/indicator lamps
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447