Page 699 of 757
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00B6 Fu elreser ve wa rning lamp
lights up The
yellow fuel reser vewarning lamp lights up while the engine is running.
*T he fuel supply has dropped into there ser verange. #
Refuel. Brakes
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0024 The electric parking brake
applied (red) indicator lamp
0024 The electric parking brake
(yellow) indicator lamp The
red elect ric pa rking brake indicator lamp flashes or is lit.
The yellow elect ric pa rking brake indicator lamp is also lit in theeve nt of a malfunction.
* #
Notethe messages on the multifunction displa y.696
Display messages and warning/indicator lamps
Page 700 of 757

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
004D Brake sy stem warning lamp
(yellow) The
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. #
Consult a qualified specialist workshop.
004D Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the engine is running.
*Possible causes: R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! Display messages and
warning/indicator lamps 697
Page 701 of 757
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. 698
Display messages and warning/indicator lamps
Page 703 of 757

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop. Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0025 ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
*ABS is malfunctioning. If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels may lock when braking.
The steering capability and braking characteristics are thus se verely impaired. Br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. 700
Display messages and warning/indicator lamps
Page 704 of 757

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
00E5 ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
*O ne or more wheels has reached its grip limit (/ page214). #
Adapt your driving style to suit thero ad and weather conditions.
00E5 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 may also be malfunctioning. &
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. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 701
Page 705 of 757
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00BB ESP ®
OFF warning lamp The
yellow ESP ®
OFF warning lamp is lit while the engine is running.
* ESP ®
is deacti vated. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
If ESP ®
is deactivated, ESP ®
cannot car ryout vehicle stabilisation. The availability of fur ther driving saf ety sys‐
te ms is also limi ted. #
Drive on carefull y. #
Only deactivate ESP ®
for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 214). 702
Displaymessa ges and warning/indicator lamps
Page 706 of 757

Ty
re pressure moni tor Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 Ty re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minute and then remains lit.
*The tyre pressu remonitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
0077 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. Display messages and
warning/indicator lamps 703
Page 707 of 757
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
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. 704
Display messages and warning/indicator lamps