
1
å ESP®
OFF →
304
2 ÷ ESP®
→
304
3 · Distance warning →
308
4 Ð Powe r steering →
309
5 #! Turn signal lights →
108
6 ! Parking brake (yellow) →
304
7 ! ABS →
304
8 ; Engine diagnostics →
309
9 % Preglow
A ! Parking brake (red) →
304
B J Brakes (red) →
304
C ? Coolant →
309
D J Brakes (yellow) inopera-
tive E
6 Restraint system →
304
F ü Seat belt →
307
G K High beam →
108
H L Low beam →
107
I 6 Reser vefuel →
309
J T Standing lights and
licence plate and instrument
lighting →
107
K R Rear fog light →
107
N Inoperative
L h Tyre pressure monitoring
system →
311
Cor responding messages may
also be shown on the inst ru-
ment cluster displa y.→
281 At
a glance – Indicator and warning lamps
7 7 

Safe
Safe
ty syst
ty syst ems
ems Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
!
÷ inoperative See Owner's
Manual *
ABS, BAS, Hill Start Assist and ESP ®
as well as its driving saf ety sys-
te ms are una vailable due toa malfunction.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normall y,but without the
functions listed ab ove. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunction-
ing
The wheels may block during braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking distance may increase. In addition, other driving
saf ety systems are swit ched o.. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a quali/ed spe-
cialist workshop. !
÷
currently unavailable
See Owner's Manual *
ABS, BAS, Hill Start Assist and ESP ®
as well as its driving saf ety sys-
te ms are temp orarily una vailable.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The on-board electrical system voltage may be insu1cient, forex am-
ple.
The brake system continues tofunction normall y,but without the
functions listed ab ove. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunction-
ing
The wheels may block during braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking distance may increase. In addition, other driving
saf ety systems are swit ched o.. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a quali/ed spe-
cialist workshop. #
Drive on carefully and, on a suitable st retch of road, make some
slight steering mo vements at a speed abo ve20 km/h. #
Check whe ther the display message has disappeared and ESP ®
is
operational.
If th e display message continues tobe shown: #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y. 282
282
Display message
s andwarning and indicator lamps 

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Stop theve hicle as soon as possible, paying attention to
ro ad and tra1c conditions. Do not continue driving. #
Consult a quali/ed specialist workshop. #
Do not top up the brake 0uid. T
!
÷
inoperative See Owner's
Manual *E
BD is una vailable due toa malfunction. This means that ABS, BAS,
Hi llSt art Assist and ESP ®
as well as its driving saf ety systems, for
ex ample, are also una vailable.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normally, but wi thout the
functions listed ab ove. &
W WARNI NG
ARNI NGRisk of skidding if EBD, ABS and ESP ®
are mal-
functioning
The wheels may block during braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking distance may increase. In addition, other driving
saf ety systems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed
specialist workshop. ÷
inoperative See Owner's
Manual *
ESP ®
,BAS and Hill Start Assist are una vailable due toa malfunction.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normall y,but without the
functions listed ab ove. The wheels could therefore lock up at an ear ly
stage in theev ent of maximum full-s top braking, forex ample.
This will se verely impair steerability and braking. Braking distance may
increase in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisa-
tion. In addition, other driving saf ety systems are swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. ÷
currently unavailable
See Owner's Manual *
ESP ®
,BAS and Hill Start Assist are una vailable due toa malfunction.
Self-diagnosis is not yet comple te,fo rex ample.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normall y,but without the
functions listed ab ove. The wheels could therefore lock up at an ear ly
stage in theev ent of maximum full-s top braking, forex ample. 286 286
Display messages and
warning and indicator lamps 

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Remo ve yo urfoot from the accelerator pedal. The limiter will be
re activated and will limit your speed.
Cruise control - - - km/h *An activation condition for cruise control has not been met.
Fo rex ample, you are aiming tostore a speed below 30 km/h. #
If conditions pe rmit, drive at a speed greater than 30 km/h and
store the speed. #
Obser vethe activation conditions for cruise control
(/ page 158).
Cruise control and Lim-
iter inoperative *A
warning tone also sounds. Cruise control and the limiter are mal-
functioning. #
Consult a quali/ed specialist workshop.
Blind Spot Assist not
available when towing a
trailer See Owner's Man-
ual *B
lind Spot Assist is switched o. during trailer operation. #
Ackno wledge the display message with thea steering wheel
button.
Blind Spot Assist inoper-
ative *B
lind Spot Assist is malfunctioning. #
Consult a quali/ed specialist workshop.
Blind Spot Assist cur-
rently unavailable See
Owner's Manual *B
lind Spot Assist is temp orarily non-operational.
The following causes are possible:
R The function is impaired due toheavy rain or sno w.
R The radar sensor system is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting sta-
tions or other sources of radiation.
R The system is outside the operating temp erature range.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Lane Keeping Assist will be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Switch o. theve hicle. #
Restart theve hicle.
à --- km/h *D
SR has been switched on but is not active as you are driving at a
speed greater than 18 km/h. If you drive at a speed below 18 km/h,
DSR will automatically brake again tothe set speed.
Ã
Off *D
SRwas deacti vated.
If it was not deacti vatedby the driver, e.g. due toa malfunction of the
ESP ®
, a warning tone also sounds. 292 292
Display messa
ges and warning and indicator lamps 

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
& inoperative See Owner's
Man. *T
he hot-water auxiliary heater (stationary heater) is malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine
has cooled down, make up tofour attem ptsto switch on the hot-
wa ter auxiliary heater (stationary heater), waiting se veral minutes
between each attem pt (/ page 131).
If th e hot-water auxiliary heater (stationary heater) does not switch
on: #
Consult a quali/ed specialist workshop. Lights Lights
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
b Left dipped beam (exa m-
ple) *T
he cor responding light source is defecti ve.
Ha ve defective LED lights replaced at a quali/ed specialist workshop. #
Obser vethe no tes on changing a bulb (/ page 113). #
Replace the defective bulb at the front (/ page 114) or rear
(/ page 115).
% Vehicles with LED lights on the trailer: if the cur rent falls below
th e minimum of 50 mA, a display message may appear even
th ough the trailer lights are working proper ly.
Adaptive Main-beam
Assist inoperative *A
daptive Highbeam Assist is malfunctioning. #
Switch high beam on/o. manuall y. #
Consult a quali/ed specialist workshop.
Adaptive Main-beam
Assist currently unavaila-
ble See Owner's Manual *A
daptive Highbeam Assist is deactivated and temp orarily inoperative.
The following causes are possible:
R The windscreen is dirty in the camera's /eld of vision.
R Visibility is impaired due toheavy rain, snow or fog. #
Clean the windscreen.
When the system de tects that the camera is fully operational, the
display will show the message Adaptive Main-beam Assist availa-
ble again
Ad aptive Highbeam Assist is operational again.
Active Light System inop-
erative *T
he active light function is faulty. #
Consult a quali/ed specialist workshop.
b AUTO lights inoperative *T
he light sensor is faulty. The automatic driving lights are malfunction-
ing. #
Switch the light functions on/o. manually (/ page 107). #
Consult a quali/ed specialist workshop.
Intell. Light System inop-
erative *T
he Intelli gent Light System is malfunctioning. The lighting system
re mains available without the Intelligent Light System functions. #
Consult a quali/ed specialist workshop. Display messages and
warning and indicator lamps
303 303