warning light MERCEDES-BENZ E-CLASS SALOON 2017 Repair Manual

Display messages
Possible causes/consequences and M
MSolutions
6 Front left malfunction Con-
sult workshop (exa mp le) *T
he cor responding restra int sy stem is malfunctioning . &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem malfunction:
R the6 restra int sy stem warning lamp does not light up when the ignition is switched on.
R the6 restra int sy stem warning lamp lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
6
Left windowbag malfunc-
tion Consult work-
shop (exa mp le) *T
he cor responding windowbag is malfunctioning . &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident
wi th high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop immediatel y.396
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Apply brake to select R *
Yo u ha veattem ptedto shift the transmission out of position hand into transmission position k. #
Depress the brake pedal. #
Switch the transmission toposition k.
j
Operation only possible in
transmission position N *
Yo u ha veattem ptedto swivel the ball neck and the transmission is not in position i. #
Switch the transmission toposition i.
j
Operation only possible in
transmission position P *
Yo u ha veattem ptedto swivel the ball neck and the transmission is in position k,iorh. #
Depress the brake pedal. #
Switch the transmission toposition j.
_
Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmissions: the electric steering lock was unable tounlo ck th esteering. #
Switch off the ignition. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on. Display messages and
warning/indicator lamps 429

Lights
Display messages
Possible causes/consequences and M
MSolutions
b Left dipped beam (exa mp le) *T
he cor responding light source is defective. #
Consult a qualified specialist workshop.
or #
Check whe ther you are permit tedto replace the light source yourself .
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 435

Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary .
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Switch on headlamps *Y
ou are driving without dipped-beam headlamps. #
Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. #
Consult a qualified specialist workshop. 436
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page132). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist available again display message appears.
Adaptive Highbeam Assist
Camera view restricted
See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy 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 ety sy stems will become availa‐
ble 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 windscreen. 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 behav‐
iour is non-critical. These warning and indicator
lamps indicate a malfunction only if they light up
or flash af terth e engine is star ted or during a
journe y. 438
Display messages and warning/indicator lamps

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting in the widescreen cock‐
pit If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the positions
of the indicator lamps on the instrument display
ch ange.
Wa rning and indicator lamps:
L Dipped beam (→
page127)
T St
anding lights (→ page127)
K Main beam (→
page129)
#! Tu
rn signal light (→ page129)
R Re
ar fog lights (→ page127) ü
Seat belt is not
fastened
(→ page 446)
J Brakes (red) (→
page 440)
J Brakes (yell
ow) (→ page 440)
! ABS malfunction (→
page 440)
à AIR
BODY CONTROL malfunction
(→ page 447)
à DY
NA MIC BODY CONTROL malfunc‐
tion (→ page447)
÷ ESP®
(→ page 440)
å ESP®
OFF (→ page 440)
! Electric pa
rking brake (→ page440)
Ð St
eering assis tance malfunction
(→ page 449)
# Electrical
fault (→ page 451)
6 Re
stra int sy stem (→ page440)
; Engine diagnostics (→
page 451)
8 Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 451)
? Coolant
too hot/cold (→ page 451)
· Dis
tance warning (→ page447) Displ
aymessa ges and warning/indicator lamps 439

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
÷ ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
ESP ®
is inter vening . #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving and driving sa fety sy stems may also be faulty. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 443

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp lights up af terth e engine is star ted.
In addition, an acoustic warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt .
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. 446
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
· Dis tance warning warning
lamp The
red dis tancewarning 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. #
Increase the dis tance.
Ac tive Brake Assi st .448
Displaymessa ges and warning/indicator lamps

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. 454
Display messages and warning/indicator lamps