2021 MERCEDES-BENZ S-CLASS SALOON LONG Owners Manual

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
534
Display message
s andwarning/indicator lamps

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y messag
y messag es P
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ossible causes/consequences and uences andM
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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
T o r
o r elease:
elease: #
Ifth e conditions for automatic release are ful/lled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page 264).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
!
Release parking brake *T
hered! indicator lamp is 0ashing.
The electric parking brake is applied while you are driving:
R A condition for automatic release of the electric parking brake has not been ful/lled (/ page 263).
R You are per form ing emer gency braking using the electric parking brake (/ page 264). #
Check the conditions for automatic release of the electric parking brake. #
Release the electric parking brake manuall y. Display messages and
warning/indicator lamps
535
535

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ossible causes/consequences and uences andM
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!
Parking brake Switch on
vehicle to release *T
hered! indicator lamp is lit.
Yo u ha veattem pted torelease the electric parking brake with theve hicle switched o.. #
Switch on theve hicle.
J Brake immediately *A
malfunction has occur red while the HOLD function was activated.
A horn may also sound at regular inter vals.
Yo u cannot start theve hicle system. #
Immediately depress the brake pedal /rmly until the display message disappears.
Yo u cannot start theve hicle system again.
J Check brake fluid level *T
here is insu1cient brake 0uid in the brake 0uid reser voir. &
W WARNING
ARNING Risk of an accident due tolow brake 0uid le vel
If th e brake 0uid le vel is too lo w,the braking e.ect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and tra1c conditions. Do not continue driving. #
Consult a quali/ed specialist workshop. #
Do not top up the brake 0uid. 536
536
Display messages and
warning/indicator lamps

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Check brake pads See
Owner's Manual *T
he brakepads ha vereached thewe ar limit. #
Consult a quali/ed specialist workshop. Dr Dr
iving syst
iving syst ems
ems Displa
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ë
Off *T
he HOLD function is deactivated because theve hicle is slipping or a condition for activation is not ful/lled. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function (/ page 272).
é
ATTENTION ASSIST inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a quali/ed speciali stwo rkshop. Displ
aymessages and warning/indicator lamps
537 537

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ossible causes/consequences and uences andM
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é
ATTENTION ASSIST: Take a
break! *A
TTENTION ASSIST has de tected fatigue or an increasing lack of concentration on the part of the driver
(/ page 274). #
If necessar y,take a break.
P
ATTENTION ASSIST Micro-
sleep Take a break! *A
TTENTION ASSIST has de tected indicators of microsleep (/ page 274).
A wa rning tone will also sound. #
It is recommended that youta ke a break immediatel y. #
Press the leT-hand Touch Control and ackno wledge the display message.
È - - - km/h *T
he limi ter can temp orarily not be engaged. Once the cause of the problem is no longer present, the system will be
av ailable again.
È
passive *I
fyo u depress the accelerator pedal be yond the point of resis tance (kickdown), the limiter will be switched topassive
mode (/ page 275). 538 538
Display messages and
warning/indicator lamps

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es Possible causes/conseq
ossible causes/consequences and uences andM
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Limiter inoperative *The limi ter is malfunctioning. #
Consult a quali/ed specialist workshop.
ç
- - - km/h *A
ctive Dis tance Assist DISTRONIC cannot be activated as not all activation conditions are ful/lled. #
Comply with the activation conditions of Active Distance Assist DISTRONIC (/ page 279).
ç suspended *I
fyo u depress the accelerator pedal be yond the setting of Active Distance Assist DISTRONIC, the system will switch to
passive mode (/ page 276).
ç Off *A
ctive Dis tance Assist DISTRONIC was deacti vated. If a warning tone also sounds, Active Distance Assist DISTRONIC
has deactivated automatically (/ page 279).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assist DISTRONIC is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 276).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on Displ
aymessages and warning/indicator lamps
539 539

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or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Distance Assist inop-
erative *A
ctive Dis tance Assist DISTRONIC is malfunctioning.
Other driving systems and driving sa fety systems may also be 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.
Active Distance Assist
available again *A
ctive Dis tance Assist DISTRONIC is ope rational again. #
Switch on Active Distance Assist DISTRONIC (/ page 279).
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached the maximum permissible stored speed for winter tyres. It is not possible toexceed this speed.
ð
Maximum speed exceeded *Y
ou ha veexceeded the maximum permissible speed (for cer tain countries only). #
Drive more slo wly.540 540
Display message
s andwarning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 284).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available. #
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.
Ø *A
ctive Steering Assist has reached the system limits (/ page 284).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth e steering and drive on in accordance with the tra1c conditions.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emer gency stops. #
Take ove rth e steering and stop in accordance with the tra1c conditions. #
Switch theve hicle o. and switch it back on
Ac tive Steering Assist is available once more. Displ
aymessages and warning/indicator lamps
541 541