2021 MERCEDES-BENZ S-CLASS SALOON LONG engine

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C *A
t least one door is open. #
Close all doors.
Bonnet unlatched Pull lever
again to open *T
he bonn etis not fully unloc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Toopen the bonnet full y,pull the handle again (/ page 424).
Bonnet not locked Close
before starting journey *T
he bonn etis not loc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Close the bonnet (/ page 424). 522
522
Display messages and
warning/indicator lamps

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Bonnet not locked Stop
immediately Close bonnet
completely *T
he bonn etis not loc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet (/ page 424).
M *T
he bonn etis open. &
W
WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet. Display messages and
warning/indicator lamps
523
523

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N *T
he boot lid is open. &
D
DAN
AN GER
GER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter theve hicle
interior if the boot lid is open when theve hicle is running, especially if theve hicle is in motion. #
Always switch o. theve hicle before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
Anti-theft alarm system
Malfunction *T
he anti-theT alarm system is malfunctioning. #
Consult a quali/ed specialist workshop.
Ambient light warning sup-
port inoperative *T
he ambient lighting may not pr ovide full visual warning support. #
Lock theve hicle and unlock it again aTer a fewminutes. #
Ifth e display message appears regula rly, contact a quali/ed specialist workshop.
¥
Top up washer fluid *T
hewasher 0uid le vel in thewa sher 0uid reser voir has dropped below the minimum. #
Top up thewa sher 0uid (/ page 428).524 524
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aymessages and warning/indicator lamps

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¥
Intensive cleaning activa-
ted for 30 s *I
ntensi vecleaning of the windscreen has been activated (/ page 181).
Wiper Malfunction *The windscreen wiper is malfunctioning. #
Restart theve hicle.
If th e display message still appears: #
Consult a quali/ed specialist workshop. Engine Engine
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To switch off the vehicle,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times *Y
ou ha vepressed the start/s top button while theve hicle is in motion. #
Information about switching o. theve hicle while driving (/ page 211). Displ
aymessages and warning/indicator lamps
525 525

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Cannot start vehicle See
Owner's Manual *T
hevehicle cann otbe star ted. #
Switch theve hicle o. and switch it back on #
Ifth e display message still appears, consult a quali/ed specialist workshop.
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N NO
OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Add coolant (/ page 428). #
Have the engine cooling system checked at a quali/ed specialist workshop.
ÿ
Coolant Stop Switch off
the vehicle *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. 526
526
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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
527
527

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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
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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