Page 380 of 481
Display messages
Possible causes/consequences and M MSolutions
: Active Light System inoper-
ative *T
he active headlamp s are malfunctioning. #
Consult a qualified specialist workshop.
: Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
:
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
: Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is malfunctioning. The lighting sy stem continues tofunction proper lywithout the func‐
tions of the Intelligent Light Sy stem. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 377
Page 429 of 481

Instrument display (standard)
Wi
descreen cock pit instrument displ ay Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Indicator and warning lamps:
6 Re
stra int sy stem (/ page 427)
ü Seat belt (/
page 427)
ï Trailer hit ch (/page 428)
Ù Powe rst eering (/ page 428)
ÿ Coolanttemp erature (/ page 430)
; Engine diagnostics (/
page 430)
% Ve
hicles with a diesel engine: pre‐
gl ow
# Electrical
fault (/ page 430)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 430)
! Elect
ric pa rking brake (red)
(/ page 433)
! Electric parking brake (yellow)
(/
page 433)
J Brakes (yellow) (/
page 433)
J Brakes (red) (/
page 433) L
Distance warning (/ page 435)
! ABS (/
page 436)
÷ ESP®
(/ page 436)
å ESP®
OFF (/ page 436)
h Ty
re pressure monitoring sy stem
(/ page 438)
T St
anding lights (/ page127)
L Low beam (/
page127)
K High beam (/
page129)
#! Tu
rn signal lights (/ page129)
R Re
ar fog light (/ page127) 426
Displaymessa ges and warning/indicator lamps
Page 431 of 481

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
ü Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once the engine has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page 42).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
Ù Po we rst eering warning
lamp (red) *T
he red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer assi stance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Notethe messages on the multifunction displa y.428
Display messages and warning/indicator lamps
Page 435 of 481
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
# Elect rical fault warning
lamp *T
hered elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the multifunction displa y.
8
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser ve wa rning lamp lights up while the engine is running.
The fuel supp lyhas dropped into there ser verange. #
Refuel. 432
Displaymessa ges and warning/indicator lamps
Page 436 of 481
Brakes
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
! Elect ric pa rking brake indi‐
cator lamp (red)
!
The elect ric pa rking brake
(yellow) indicator lamp *T
he red elect ric pa rking brake indicator lamp flashes or is lit.
The yellow elect ric pa rking brake indicator lamp also lights up in theev ent of a malfunction. #
Notethe messages on the multifunction displa y.
J
Brake sy stem warning lamp
(yellow) *T
he yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and drive on carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, obse rve it. Display messages and
warning/indicator lamps 433
Page 438 of 481
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
L Wa rning lamp for dis tance
wa rning function *T
he 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.
Fu nction of Active Brake Assi st (/ page 206). Display messages and
warning/indicator lamps 435
Page 440 of 481

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
÷ ESP ®
wa rning lamp lights
up *
The yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
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. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires. Display messages and
warning/indicator lamps 437
Page 442 of 481
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up *T
he 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
R The tyres can burs t.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering 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 in accordance with the tra ffic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 439