2018 MERCEDES-BENZ S-CLASS SEDAN warning light

Displaymessages
Possible causes/consequences and MSolutions
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he camera view is restricted. Possible causes are:
RDirt on the windshield in the camera's field of vision
RHeavy rain, snow or fog
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Clean the windshield.
Wa rning and indicator lamps
Overview of warning and indicator lamps
Some sy stems per form a self-test when the igni‐
tion is switched on. Some warning and indicator
lamps may briefly light up or flash. This behavior
is non-critical. These warning and indicator
lamps only indicate a malfunction if they light up
or flash af terth e engine is star ted or during a
journe y.
Displaymessage s andwarning/indicator lamps 501

Instrument Display intheWi descreen Co ck‐
pit
Prog ressive setting (Widescreen Cockpit)
Ifyo u select the progressive display setting in
ve hicles with a Widescreen Cockpit, the position
of the indicator lamps in the Instrument Display
ch anges.
Wa rning and indicator lamps:
L Low beam (
→page
143)
T Pa
rking lights (
→page 143)
K High beam
(
→page14 4)
#! Tu
rn signal light (
→page 144)
R Re
ar fog light (
→page 143)
ü Seat belt is not
fastened
(
→page 510)
$ US
A: brakes (red) (
→page 503)
J Canada: brakes (red) (
→page 503)
! ABS malfunction (
→page 503)
÷ ESP
®(→page 503)
å ESP
®OFF (→page 503)
F USA: electric parking brake applied
(red) (
→page 503) !
Canada: electric parking brake
applied (red) (
→page 503)
! Electric parking brake (yellow
)
(
→page 503)
Ð St
eering assis tance malfunction
(
→pa ge 512)
# Electrical malfunction (
→page
513)
6 Re
stra int sy stem (
→page 503)
; Check Engine (
→page
513)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (
→page 513)
? Coolan
tto o hot/cold (
→page 513)
· Dis
tance warning (
→page 511)
h Ti
re pressure monitoring sy stem
(
→page 517)
50 2
Displ aymessage s andwarning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
÷
ESP®warning lamp lights
up The
yellow ESP
®wa rning lamp is lit while the engine is running.
ESP
®is malfunctioning.
Other driving and driving safe ty systems may also be malfunctioning.
&
WARNING Risk of skidding if ESP®is malfunctioning
If ESP
®is malfunctioning, ESP®cannot car ryout vehicle stabilization. In addition, other driving saf etysy stems are
switched off.
#Drive on carefull y.
#Have ESP®checked at a qualified specialist workshop.
#Drive on carefully.
#Obser vethe messages in the multifunction displa y.
#Consult aqualified specialist workshop.
506
Display messages and warning/indicator lamps

Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp
lights up Af
terst arting the engine, there d seat belt warning lamp lights up for 6 seconds.
In addition, an acou stic wa rning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts.#Fa sten your seat belt.
If yo u ha veplaced objects on the front passenger seat, thewa rning lamp may remain lit.
7
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion.#Fa sten your seat belt.
There are objects on the front passenger seat.
#Re mo vethe objects from the front passenger seat.
51 0
Displ aymessage s andwarning/indicator lamps

Drivingsy stems
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
à
Air suspensionwarning
lamp The
yellow AIR BODY CONTROL warning lamp is lit.
AIR BODY CONTROL is faulty.#Obser vethe messages in the multifunction displa y.
·
Distance warning lamp The
red dis tance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed.#Be prepared tobrake immediatel y.
#Increasethe dis tance.
Ac tive Brake Assi st.
Displ aymessage s andwarning/indicator lamps 51
1

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurr ed inthe engine, theex haust sy stem or the fuel sy stem.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow engine diagnosis warning lamp lights up.
#Ha ve theve hicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp The
red electri cal malfunction warning lamp is lit.
There is a malfunction in the electrics.#Obser vethe messages in the multifunction displa y.
8
Fuelreser vewarning lamp The
yellow fuel reser ve wa rning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking.#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
Display messages and warning/indicator lamps 51
3

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
Display messages and warning/indicator lamps 51
7

Rear (luxury head restra int) ................ .104
Re ar (setting the last position) ............ .103
Head-up Display ...................................... 253
Ad justing brightness (on-board com‐
pu ter) .................................................. 253
Ad justing display elements (on-board
compu ter) ............................................ 253
Fu nction .............................................. 254
Menu (on-board compu ter) .................. 253
Setting the position (on-board com‐
puter) .................................................. 253
Switching on/off ................................. 255
Using the memory function .................. 113
Headlamp flashing .................................. 144
Headliner (care) ....................................... 390
Headphones (Rear Seat Entertain‐
ment Sy stem)
Ac tivating/deactivating .......................3 65
Ad justing thevo lume .......................... .365
Overview ............................................. 364
Re placing batteries ............................ .365
Selecting a rear passenger compart‐
ment display ........................................ 365 High beam
Swit ching on/off ................................ .144
High-beam headlamps Adaptive Highbeam Assist .................. .146
Hill start assist ........................................ 210
HOLD function ......................................... 210
Fu nction/no tes ............ ........................
210
Sw

itching on/off ................................. 210
Hood Function (active hood) ......................... 378
Opening/closing ..................................3 78
Re setting (active hood) ........................ 378
Hotspot Setting up (Wi-Fi) ................................. 281
Hydropneumatic suspension see MAGIC BODY CONTROL
I
Identification plate Engine .................................................4 45
Re frigerant .......................................... 453
Ve hicle ................................................ 445 Ignition
Swit ching on (s tart/s top button) ........ .165
Ignition key
see SmartK ey
Immobilizer ................................................ 86
Indicator lamp see Warning/indicator lamps
Individual drive prog ram
Confi guring .......................................... 173
Selecting .............................................. 173
Instrument clus ter
see Instrument display
see Warning/indicator lamps
Instrument display .................................. 244
Ad justing the lighting ........................... 247
Fu nction/no tes ................................... 244
Overview ............................................. 244
Wa rning and indicator lamps (o verview) .. 8
Wa rning/indicator lamps .................... .501
Instrument lighting .................................247
Intelligent Light Sy stem
Cornering light function ...................... .146
Inter changing wheels .............................4 35
Index535