Page 244 of 377
Display
messages 24
1 Display messages Possible cause/consequence Possible solution
ESP inoperative ESP currently
unavail. See Own
-
er's Manual ESP
®
, BAS, PRE–SAFE ®
*, hill start assist
and ESP ®
trailer stabilisation are unavail -
able due to undervoltage. It is possible
that the battery is not being charged. The
v warning lamp also lights up in th e
instrument cluster. The brake system con -
tinues to function normally, but without
the functions listed above . X
Drive on carefully.
X Visit a qualified specialist workshop. ESP inoperative ESP currently
unavail. See Own-
er's Manual If this display message appears and the
v
warning lamp flashes at the same
time, this means that ETS has been deac-
tivated to prevent the brakes on the driv e
wheels from overheating . ETS switches on again as soon as the brakes have
cooled down. The display message disappears
and the
vwarning lamp goes out. Trailer hitch
Check loc
k
mech. The trailer tow hitch* is not correctly
engaged. A warning tone also sounds. 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 220). Practical advice
* optional
204_AKB; 2; 3, en-GB
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Display
messages 24
2 Display messages Possible cause/consequence Possible solution
Check brake
fluid level
G
Risk of accident
There is insufficient brake fluid in the
brake fluid reservoir. In addition, the
3 warning lamp in the instrument clus-
ter lights up and a warning tone sounds. 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. P
Shift to
P P
Shift to
P You have switched off the engine with the
KEYLESS GO* button and opened the driv-
er's door.
You have attempted to lock the vehicle. X
Move the selector lever to P.
The engine can be started again. To start
engine, shift
to either P or
N To start engine,
shift to either
P
or N You have attempted to start the engin
e
while the selector lever is not in position
P or N. X
Move the selector lever to Por N. Clean the fuel
filter X
Visit a qualified specialist workshop. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Display
messages 24
3 Display messages Possible cause/consequence Possible solution
Top up coolan
t The coolant level is too low. X
Top up the coolant, observing the warning
notes (Y page 209).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual .Switch off
lights or
remove key The light switch has been set to the
*
position or the daytime driving lights
are switched on and you have not
removed the key. The parking lamps
remain switched on. In addition, a warning
tone sounds. X
Remove the key from the ignition lock.
or
X Set the light switch to the Mposition . Check tyres Tyre pressure
Check tyres The tyre pressure loss warning system has
detected a significant pressure loss.
A
warning tone also sounds. X
Stop the vehicle without making any sudden
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Check the tyre pressure and correct it if nec-
essary (Y page 213).
X Repair or change the faulty wheel as necessar y
( Y page 313).
X Then restart the tyre pressure loss warning
system once the tyre pressure is correc t
( Y page 214). Practical advice
204_AKB; 2; 3, en-GB
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Page 251 of 377
Display
messages 24
8 Display messages Possible cause/consequence Possible solution
- ABS and ESP cur-
rently unavailable
See Owner's Manual
G
Risk of accident
ABS, ESP ®
, BAS, PRE–SAFE ®
*, hill start
assist and ESP ®
trailer stabilisation ar e
temporarily unavailable. It is possible tha t
the self diagnosis is not yet complete. Th e
v warning lamp also lights up in th e
instrument cluster.
The brake system continues to function
normally, but without the functions listed
above. X
Drive a short distance with gentle bends at a
speed above 20 km/h.
The display message disappears when ABS,
ESP ®
, BAS, PRE–SAFE ®
*, hill start assist and
ESP ®
trailer stabilisation are available again. - ABS and ESP cur-
rently unavailable
See Owner's Manual
G
Risk of accident
ABS, ESP ®
, BAS, PRE–SAFE ®
*, hill start
assist and ESP ®
trailer stabilisation ar e
unavailable due to undervoltage. The
v warning lamp also lights up in th e
instrument cluster.
The brake system continues to function
normally, but without the functions listed
above. X
Drive on carefully.
X Visit a qualified specialist workshop. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Page 252 of 377
Display
messages 24
9 Display messages Possible cause/consequence Possible solution
- ABS and ESP inoper-
ative See Owner's
Manual
G
Risk of accident
ABS, ESP ®
, BAS, PRE–SAFE ®
*, hill start
assist and ESP ®
trailer stabilisation ar e
unavailable due to a malfunction. The
v warning lamp also lights up in th e
instrument cluster.
The brake system continues to function
normally, but without the functions listed
above. X
Drive on carefully.
X Visit a qualified specialist workshop. \ Trailer tow hitch
Check lock mecha-
nism
The trailer tow hitch* is not correctly
engaged. A warning tone also sounds. 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 220). # The battery is not being charged. Possible
causes:
R
faulty alternator
R torn poly-V-bel t
R malfunction in the electronics X
Stop immediately and safely when traffic con-
ditions allow and check the poly-V-belt.
X If it has torn: do not drive on. Contact th e
nearest qualified specialist workshop .
X If it is not damaged :have the vehicle checked
as soon as possible at a qualified specialist
workshop. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Display
messages 25
0 Display messages Possible cause/consequence Possible solution
2 4-button multi-function
steering wheel:
Brake wear
12-button luxury multi-
function steering
wheel:
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 .3 Check brake fluid
level
G
Risk of accident
There is insufficient brake fluid in the
brake fluid reservoir. In addition, the
3 warning lamp lights up in the instru-
ment cluster. 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. Î 4-button multi-function
steering wheel:
Release park.
brake
12-button luxury multi-
function steering
wheel:
Release parkin
g
brake You are driving with the parking brake on.
A warning tone also sounds. X
Release the parking brake. Practical advice
204_AKB; 2; 3, en-GB
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0
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Display
messages 25
1 Display messages Possible cause/consequence Possible solution
3 EBV, ABS, ESP inop-
erative See Own-
er's Manual
G
Risk of accident
EBV, ABS, ESP ®
, BAS, PRE–SAFE ®
*, hill
start assist and ESP ®
trailer stabilisatio n
are unavailable due to a malfunction. In
addition, the vwarning lamp in th e
instrument cluster lights up and a warnin g
tone sounds.
The brake system continues to functio n
normally, but without the functions listed
above . X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. ñ Clean the fuel fil-
ter X
Visit a qualified specialist workshop. D 4-button multi-function
steering wheel:
Stop vehicl
e
Engine off
12-button luxury multi-
function steering
wheel:
Coolant Stop vehi-
cle Switch engine
off The coolant is too hot. In addition, the
D
warning lamp in the instrument clus-
ter lights up and a warning tone sounds. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Wait until the display message disappears
before restarting the engine. There is other-
wise a risk of engine damage.
X Observe the coolant temperature gauge.
X If the temperature increases again, visit a quali-
fied specialist workshop immediately. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Display
messages 26
6 Display messages Possible cause/consequence Possible solution
. 4-button multi-function
steering wheel:
Left-hand tail
lamp
or
Right-hand tail
lamp
12-button luxury multi-
function steering
wheel:
Left-hand tail
lamp
or
Right-hand tail
lamp The left-hand or right-hand tail lamp is
faulty. X
Replace the bulb as soon as possibl e
( Y page 305). . 4-button multi-function
steering wheel:
Switch off lights
12-button luxury multi-
function steering
wheel:
Switch off lights You did not switch off the lights whe
n
leaving the vehicle. A warning tone also
sounds. X
Turn the light switch to M. Practical advice
204_AKB; 2; 3, en-GB
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