2021 MERCEDES-BENZ S-CLASS SALOON LONG warning

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ossible causes/consequences and uences andM
MSolutions
Solutions #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ *T
here is a malfunction in the engine cooling system. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
! Clean the fuel filter *V
Vehicles wit
ehicles wit h diesel engines:
h diesel engines: the fuel /lter is dirty or thewa ter in the fuel /lter needs tobe drained. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
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ý
Replace air cleaner *V
Vehicles wit
ehicles wit h diesel engines:
h diesel engines: the engine air /lter is dirty and must be replaced. #
Consult a quali/ed specialist workshop. T
T
r
ransmission
ansmission Displa
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Only select P when vehicle
is stationary *I
t is possible toselect the park position jonly if theve hicle is stationar y. #
Depress the brake pedal tostop. #
ShiT the transmission topark position jwhen theve hicle is stationar y.
Apply brake to deselect P
position *Y
ou ha veattem pted toshiT the transmission out of park position jand into ano ther transmission position. #
Depress the brake pedal. #
Select transmission position h,kor neutral i.
Apply brake and start vehi-
cle to shift out of P or N *Y
ou ha veattem pted toshiT the transmission out of park position jor neutral iand into ano ther transmission posi-
tion. #
Depress the brake pedal. #
Start theve hicle. 528 528
Displ
aymessages and warning/indicator lamps

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Change the transmission position.
Apply brake to engage D or
R *Y
ou ha veattem pted toselect transmission position hork. #
Depress the brake pedal. #
Select transmission position hork.
Apply brake to engage R *You ha veattem pted toselect transmission position k. #
Depress the brake pedal. #
Select transmission position k.
Apply parking brake to
park Visit workshop *A
malfunction has occur red in the emer gency po wer supply topark position j. #
Consult a quali/ed specialist workshop. #
Until then, alw ays select park position jmanually before you switch o. theve hicle. #
Before leaving theve hicle, apply the electric parking brake.
Risk of vehicle rolling away
Driver's door open Trans-
mission not in P *T
he driver's door is not fully closed and transmission position h,kor neutral iis selected.
The vehicle may rollawa y. #
Select pa rkposition jwhen switching o. theve hicle.
Risk of vehicle rolling away
Apply parking brake to park *T
he transmission is malfunctioning. Park position jcannot be selected. #
Park theve hicle safel y. #
Use the electric parking brake tosecure theve hicle against rollingaway. Display messages and
warning/indicator lamps
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Ongradients, turn the front wheels so that theve hicle will rollto wa rdsth eke rb if it starts moving.
Risk of vehicle rolling away
N activated manually No
automatic switch to P *W
hile theve hicle was at a standstill or driving at very low speed, neutral iwas engaged with the engine running or
th eve hicle switched on.
* N NOOTE
TE Damage totheve hicle due torolling away When
theve hicle is switched o. or the driver's door is opened, automatic engagement of park position jis deac-
tivated.
The vehicle may rollawa y. #
Beready tobrake. #
Do not lea vetheve hicle unat tended. #
Dep ress the brake pedal until theve hicle comes toa standstill. #
Engage park position jwhen theve hicle is stationary with the brake pedal depressed. #
Tocontinue driving with the brake pedal depressed, select transmission position hork.
N automatically activated
Please engage transmis-
sion position again *N
eutral iwas automatically engaged when theve hicle wasro lling or being driven.
% When you open the driver's door in neutral i, park positionjwill be engaged automaticall y. #
Depress the brake pedal until theve hicle comes toa standstill. #
Engage park position jwhen theve hicle is stationary with the brake pedal depressed. #
Tocontinue driving with the brake pedal depressed, select transmission position hork. 530 530
Display messages and
warning/indicator lamps

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ossible causes/consequences and uences andM
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Solutions
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. It is not possible toselect transmission position k. #
Consult a quali/ed specialist workshop.
Transmission Malfunction
Stop *T
he transmission is malfunctioning. The transmission shiTs toneutral iautomaticall y. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Depress the brake pedal. #
Engage park position j. #
Consult a quali/ed specialist workshop.
Consult workshop without
changing the transmission
position *T
he transmission is malfunctioning. It is no lon ger possible tochange the transmission position. #
If transmission position his selected, consult a quali/ed specialist workshop and do not change the transmission
position. #
For all other transmission positions, park theve hicle safel y. #
Consult a quali/ed specialist workshop.
Drive malfunction Stop
Restart vehicle *T
he transmission is malfunctioning. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Restart theve hicle.
If th e display message still appears: #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
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ossible causes/consequences and uences andM
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Solutions
Drive malfunction Stop
Consult workshop *T
he transmission is malfunctioning. #
Stop theve hicle immediately in a safe location and do not continue driving. #
Consult a quali/ed specialist workshop.
Drive overheated. Drive on
with care *T
he transmission is overheating. When the display message is active, start-up and driving characteristics may be tem-
porarily impaired. #
Drive at low engine speed. #
Avoid sporty driving. #
Before pulling away on uphill gradients, let the transmission cool down until the display message disappears.
Auxiliary battery malfunc-
tion (white display message) *T
here is a malfunction in the auxiliary batter y. #
Consult a quali/ed specialist workshop. #
Until then, alw ays select park position jmanually before you switch o. theve hicle. #
Before leaving theve hicle, apply the electric parking brake.
Auxiliary battery malfunc-
tion (red display message) *T
here is a malfunction in the auxiliary batter y. #
Consult a quali/ed specialist workshop. #
Until then, alw ays select park position jmanually before you switch o. theve hicle. #
Before leaving theve hicle, apply the electric parking brake. 532 532
Display messages and
warning/indicator lamps

Br
Br
ak
ak es
es Displa
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!
Parking brake See Owner's
Manual *T
heyellow ! indicator lamp is lit. The electric parking brake is malfunctioning.
T T o apply
o apply :
: #
Switch theve hicle o. and switch it back on #
App lythe electric parking brake manually (/ page 264).
If it is not possible toapply the electric parking brake: #
Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
*T heyellow ! indicator lamp and there d! indicator lamp are lit. The electric parking brake is malfunctioning.
T
T o r
o r elease:
elease: #
Switch theve hicle o. and switch it back on #
Release the electric parking brake manually (/ page 264).
or #
Release the electric parking brake automatically (/ page 263).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
*T heyellow ! indicator lamp is lit and there d! indicator lamp is 0ashing. The electric parking brake is malfunc-
tioning. Display messages and
warning/indicator lamps
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Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
The electric parking brake could not be applied or released. #
Switch theve hicle o. and switch it back on
T
T o apply
o apply :
: #
Release and then apply the electric parking brake manually (/ page 264).
T
T o r
o r elease:
elease: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d! indicator lamp continues to0ash: #
Do not continue driving. Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
*T heyellow ! indicator lamp is lit and there d! indicator lamp 0ashes for appr oximately ten seconds aTer the
electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is mal-
functioning.
If t If t he st
he st at
ate of c
e of c harg
harge is t
e is t oo low
oo low :
: #
Char gethe 12 V batter y.
T
T o apply
o apply :
: #
Apply the electric parking brake manuall y.534
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Display message
s andwarning/indicator lamps