Page 268 of 401

Display
messages 265Display messages Possible cause/consequence Possible solution
HOLD cannot be activa-
ted See Owner's
Manual A condition for activating HOLD has not
been met. Check the conditions for activating HOLD
(Y
page 155).
X Close the bonnet.
X Close the driver's door.
X Start the engine.
X Release the parking brake.
X Switch off all consumers that are not required.
HOLD can be reactivated as soon as the on-
board voltage is sufficient. HOLD inoperative See
Owner's Manual A malfunction has occurred. X
Visit a qualified specialist workshop. Cruise control
and SPEEDTRONIC inoperative Speedtronic and cruise control or Dis-
tronic* are not operational. X
Visit a qualified specialist workshop. SRS Restraint system
malfunction Con-
sult workshop G
Risk of injury
The restraint systems are faulty. X
Visit a qualified specialist workshop immedi-
ately. Cruise control - - - A condition for activating cruise control
has not been met. X
Activate ESP ®
(Y page 60)
X If conditions permit, drive faster than
30 km/h and store the speed (Y page 143). Practical advi
ce
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 271 of 401

Display
messages 268 Display messages Possible cause/consequence Possible solution
@ STOP Car too low
G
Risk of accident
AIRMATIC Dual Control* is faulty. !
Avoid large steering angles, otherwise the
wing or the tyres could be damaged when you
drive on. Listen for scraping sounds.
X Do not exceed a maximum speed of 80 km/h.
X Pull over and select a higher vehicle level.
The vehicle may be raised, depending on the
type of fault.
X Visit a qualified specialist workshop immedi-
ately. @ Malfunction
The AIRMATIC Dual Control* function is
restricted. The vehicle's handling charac-
teristics may be affected. X
Do not exceed a maximum speed of 80 km/h.
X Visit a qualified specialist workshop. \ Trailer tow hitch
Check lock mecha-
nism
The trailer tow hitch* is not correctly
engaged. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Allow the ball coupling to engage in the end
position (Y page 239). 2 Brake wear The brake pads/linings have reached
their wear limit. X
Have the brake pads/linings replaced as soon
as possible at a qualified specialist workshop. Practical advi
ce
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 272 of 401

Display
messages 269Display messages Possible cause/consequence Possible solution
3 Brake immediately A malfunction occurred with HOLD acti-
vated.
or
Vehicles with manual transmission: with
HOLD activated, you have either:
R
opened the driver’s door and released
the seat belt or
R switched off the engine or
R opened the bonnet
The horn may also sound at regular inter-
vals. The horn becomes louder if you
attempt to lock the vehicle.
The engine cannot be started. X
Immediately depress the brake pedal firmly
until the warning message in the multi-function
display disappears.
X Prevent the vehicle from rolling away before
you leave it (Y page 113).
The engine can be started again. 3 EBV, ABS, ESP inop-
erative See Own-
er's Manual G
Risk of accident
EBV, ABS and ESP ®
are unavailable due to
a malfunction. BAS has also been deacti-
vated. PRE-SAFE ®
is therefore also not
operational.
The brake system is still available with
complete brake boosting effect. X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. Practical advi
ce
211_AKB; 2; 5, en-GB
mkalafa,
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Page 273 of 401
Display
messages 270 Display messages Possible cause/consequence Possible solution
3 Check brake fluid
level
G
Risk of accident
There is insufficient brake fluid in the
brake fluid reservoir. X
Pull over as soon as it is safe to do so.
X Do not continue driving under any circumstan-
ces.
X Consult the nearest qualified specialist work-
shop.
X Do not top up the brake fluid. This will not rec-
tify the malfunction. ! Release parking
brake You are driving with the parking brake
applied. X
Release the parking brake. ? Rear left backrest
not locked
or
Rear right back-
rest not locked The left or right rear seat backrest is not
engaged. X
Fully engage the rear seat backrest
(Y page 198). [ Clean fuel filter X
Visit a qualified specialist workshop. Practical advi
ce
211_AKB; 2; 5, en-GB
mkalafa,
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Page 275 of 401

Display
messages 272 Display messages Possible cause/consequence Possible solution
B Top up coolant See
Owner's Manual The coolant level is too low. X
Top up the coolant, observing the warning
notes before doing so (Y page 225).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual. . Left-hand corner-
ing light
or
Right-hand corner-
ing light The left-hand and/or right-hand cornering
lamp* is faulty. X
Visit a qualified specialist workshop. . Dipped beam, left
or
Dipped beam, right The right-hand or left-hand dipped-beam
headlamp is faulty. X
Halogen headlamp: replace the bulb
(Y page 311).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . Left-hand trailer
turn signal
or
Right-hand trailer
turn signal The left-hand or right-hand trailer turn sig-
nal is faulty. X
Replace the bulb. . Trailer brake lamp The trailer brake lamp is faulty. X
Replace the bulb. Practical advi
ce
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 277 of 401

Display
messages 274 Display messages Possible cause/consequence Possible solution
. Front left turn
signal Back-up
bulb on
or
Front right turn
signal Back-up
bulb on The front left-hand or right-hand turn sig-
nal is faulty. X
Replace the bulb (Y page 311). . 3rd brake lamp The third brake lamp is faulty. This display
message will only appear if all LEDs have
failed. X
Visit a qualified specialist workshop. . Left brake-/tail
lamp Back-up bulb
on
or
Right brake-/tail
lamp Back-up bulb
on The left-hand or right-hand rear brake
lamp is faulty. This display message will
only appear if all LEDs have failed.* X
Visit a qualified specialist workshop. . Main beam, left
or
Main beam, right The left-hand or right-hand main-beam
headlamp is faulty. X
Replace the bulb (Y page 311). . Intell. Light Sys-
tem inoperative
The Intelligent Light System* is faulty. The
lights remain available without the Intelli-
gent Light System*. X
Visit a qualified specialist workshop. Practical advi
ce
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 288 of 401

Troubleshooting
285Indicator and warning lamps in the instrument cluster
Problem Possible cause/consequence Suggested solutions
-
The yellow ABS warning
lamp comes on while the
engine is running. G
Risk of accident
ABS is unavailable due to a mal-
function. Therefore, Brake Assist,
ESP ®
, EBV and PRE-SAFE ®
are,
for example, also deactivated.
The brake system continues to
function normally, but without
electronic support. The wheels
could therefore lock if you brake
hard, for example. X
Drive on carefully.
X Observe the additional messages in the multi-function display
(Y page 257).
X Visit a qualified specialist workshop as soon as possible. v
The yellow ESP ®
warning
lamp is lit while the engine
is running. G
Risk of accident
ESP ®
is deactivated. ESP ®
will
not stabilise the vehicle if it starts
to skid or if a wheel starts to spin. X
Reactivate ESP ®
(Y page 60).
Exceptions: ( Ypage 60).
X Adapt your driving style to suit the road and weather conditions. v
The yellow ESP ®
warning
lamp is lit while the engine
is running. G
Risk of accident
ESP ®
is unavailable due to a mal-
function. ESP ®
will not stabilise
the vehicle if it starts to skid or if
a wheel starts to spin. X
Observe the additional messages in the multi-function display
(Y page 258).
X Drive on carefully.
X Visit a qualified specialist workshop. Practical advice
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
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Page 289 of 401

Troubleshooting
286 Problem Possible cause/consequence Suggested solutions
v
The yellow ESP ®
warning
lamp flashes while the
vehicle is in motion. G
Risk of accident
ESP ®
or traction control has
intervened because at least one
wheel has started to spin.
Cruise control or Distronic* is
deactivated. X
Only depress the accelerator pedal as far as necessary when pull-
ing away.
X Release the accelerator pedal while you are driving.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
. Exceptions: (Y page 60). 3
The red brake system
warning lamp comes on
while you are driving. You
will also hear a warning
tone. You are driving with the parking
brake applied. X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 3
The red brake system
warning lamp comes on
while the engine is run-
ning. You will also hear a
warning tone. G
Risk of accident
There is insufficient brake fluid in
the fluid reservoir. X
Do not continue driving under any circumstances.
X Consult a qualified specialist workshop immediately.
X Observe the additional messages in the multi-function display
(Y page 257).
X Under no circumstances should you top up the brake fluid. This will
not rectify the fault. l
The red distance warning
lamp* lights up while the
vehicle is in motion. G
Risk of accident
The distance to the vehicle in
front is too short for the speed
selected. X
Increase the distance. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa
,V ersion: 2.9.4
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