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Display
messages 214 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 and stop the vehicle safely, paying
attention to road and traffic conditions. Do not
continue driving under any circumstances.
X Consult a qualified specialist workshop.
X Do not top up the brake fluid. This will not rec-
tify the fault. ! Release parking
brake You are driving with the parking brake
applied. X
Release the parking brake. [ Clean fuel filter There is water in the fuel filter. The water
must be drained off
27
. X
Visit a qualified specialist workshop. D Coolant Stop car,
turn eng. off The coolant is too hot. X
Pull over and stop the vehicle safely and switch
off the engine, paying attention to road and
traffic conditions.
X Make sure, that the air supply to the radiator
is not blocked, e.g. by slush.
X Restart the engine only when the display mes-
sage disappears. Otherwise, there is a risk of
engine damage.
X Pay attention to the coolant temperature dis-
play.
X If the temperature increases again, visit a quali-
fied specialist workshop immediately. 27
Only for certain countries. Practical advi
ce
245_AKB; 2; 7, en-GB
wdomann,
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Page 218 of 305

Display
messages 215Display messages Possible cause/consequence Possible solution
The poly-V-belt may have torn. X
Pull over and stop the vehicle safely and switch
off the engine, paying attention to road and
traffic conditions.
X Check the poly-V-belt.
X If the poly-V-belt is torn: do not continue
driving. Consult a qualified specialist work-
shop.
X If the poly-V-belt is not damaged: do not
start the engine again until the display mes-
sage disappears. Otherwise, there is a risk of
engine damage. 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 175).
X If the coolant needs topping up more often than
usual, have the engine coolant system checked
at a qualified specialist workshop. 3 Power steer. mal-
function Consult
workshop G
Risk of accident
There is no power assistance for the steer-
ing. You will need to use more force to
steer.
The steering assistant STEER CONTROL is
also deactivated. X
Check whether you are able to apply the extra
force required.
X If you are able to steer safely: carefully drive
on to a qualified specialist workshop.
X If you are unable to steer safely : do not drive
on. Contact the nearest qualified specialist
workshop. Practical advi
ce
245_AKB; 2; 7, en-GB
wdomann,
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Page 219 of 305

Display
messages 216 Display messages Possible cause/consequence Possible solution
. Cornering light
left
or
Cornering light
right The left-hand or right-hand cornering
light* is faulty. X
Change the bulb (Y page 244). . Dipped-beam left
or
Dipped-beam right Vehicles with the light and visibility pack-
age*: the left-hand or right-hand dipped-
beam headlamp is faulty. X
Halogen headlamp: replace the bulbs
(Y page 244).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . Active light func-
tion currently
inoperative
The active light function* is faulty. X
Visit a qualified specialist workshop. . AUTO lights inop-
erative The light sensor is faulty. The constant
headlamp mode (daytime driving lights) is
switched on. X
Switch the lights to manual control in the on-
board computer (Y page 108).
X Switch the lights on and off using the light
switch. . Trailer turn sig-
nal left
or
Trailer turn sig-
nal right The left-hand or right-hand trailer turn sig-
nal lamp is faulty. X
Change the bulb. Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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Page 220 of 305

Display
messages 217Display messages Possible cause/consequence Possible solution
. Trailer tail lamp
left
or
Trailer tail lamp
right The left-hand or right-hand trailer tail light
is faulty. X
Change the bulb. . Turn signal rear
left
or
Turn signal rear
right The rear left-hand or rear right-hand turn
signal is faulty. X
Change the bulb (Y page 244). . Turn signal left
mirror
or
Turn signal right
mirror The turn signal in the left-hand or right-
hand exterior mirror is faulty. This display
message will only appear if all LEDs are
faulty. X
Visit a qualified specialist workshop. . Turn signal front
left
or
Turn signal front
right The front left-hand or front right-hand turn
signal is faulty. X
Change the bulb (Y page 244). . Brake lamp left
or
Brake lamp right Vehicles with light and visibility pack-
age*: the left-hand or right-hand brake
lamp is faulty. X
Change the bulb (Y page 244). Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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Page 221 of 305

Display
messages 218 Display messages Possible cause/consequence Possible solution
. 3rd brake lamp Vehicles with the lights and visibility pack-
age*: the third brake lamp is faulty. The
display message will only appear if all
LEDs are faulty. X
Visit a qualified specialist workshop. . Main-beam left
or
Main-beam right Vehicles with light and visibility pack-
age*: the left-hand or right-hand high
beam is faulty. X
Halogen headlamp: replace the bulbs
(Y page 244).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . Licence plate lamp Vehicles with the lights and visibility pack-
age*: the left-hand or right-hand licence
plate lamp is faulty. X
Visit a qualified specialist workshop. . Switch off lights The light is switched on when you leave
the vehicle. X
Turn the light switch to MorU.
or
X If the rear foglamp is switched on: press the
light switch in to the stop. . Foglamp left
or
Foglamp right Vehicles with the lights and visibility pack-
age*: the left-hand or right-hand fog-
lamp* is faulty. X
Visit a qualified specialist workshop. . Rear foglamp Vehicles with the lights and visibility pack-
age*: the rear foglamp is faulty. X
Visit a qualified specialist workshop. Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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Page 222 of 305

Display
messages 219Display messages Possible cause/consequence Possible solution
. Parking lamp front
left
or
Parking lamp front
right Vehicles with the lights and visibility pack-
age*: the front left-hand or front right-
hand parking lamp is faulty. X
Change the bulb (Y page 244). . Reversing lamp
left
or
Reversing lamp
right Vehicles with lights and visibility pack-
age*: the left-hand or right-hand reversing
light is faulty. X
Visit a qualified specialist workshop. . Tail lamp left
or
Tail lamp right Vehicles with lights and visibility pack-
age*: the left-hand or right-hand tail lamp
is faulty. X
Change the bulb (Y page 244). N Add 1.0 litreof
engine oil when
next refuelling Vehicles with a diesel engine: the oil level
is too low. X
Check the oil level (Y page 172).
X If necessary, top up the motor oil.
X Have the engine checked for leaks if the engine
oil needs topping up more often than usual. N Engine oil pres-
sure Stop car, turn
eng. off Vehicles with a petrol engine: the engine
oil pressure is too low. There is a risk of
engine damage. X
Stop in accordance with traffic conditions.
X Switch off the engine.
X Check the oil level (Y page 172).
X If necessary, top up the motor oil. Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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Page 223 of 305

Display
messages 220 Display messages Possible cause/consequence Possible solution
N Eng. oil level
Check level Vehicles with a petrol engine: the oil level
is too low. X
Check the oil level (Y page 172).
X If necessary, top up the motor oil.
X Have the engine checked for leaks if the engine
oil needs topping up more often than usual. N Eng. oil level Stop
car, turn eng. off Vehicles with a diesel engine: the oil level
is too low. There is a risk of engine dam-
age. X
Stop in accordance with traffic conditions.
X Switch off the engine.
X Top up the engine oil and check the level
(Y page 172). N Engine oil level
Reduce oil level Vehicles with a diesel engine: you have
added too much engine oil. There is a risk
of damage to the engine or to the catalytic
converter. X
Siphon off excess engine oil until it is at the
specified level. Observe the legal require-
ments. N Cannot measure oil
level Vehicles with a diesel engine: the meas-
uring system is faulty. X
Visit a qualified specialist workshop. I Key does not belong
to vehicle You have put the wrong key in the ignition
lock. X
Use the correct key. I Remove key The key is in the ignition lock. X
Remove the key. I Replace key The key needs to be replaced. X
Visit a qualified specialist workshop. Ñ SPEEDTRONIC inop-
erative
Speedtronic* and cruise control* are
faulty. X
Visit a qualified specialist workshop. Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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Display
messages 221Display messages Possible cause/consequence Possible solution
¿ There is only a small amount of fuel in the
fuel tank. X
Refuel at the nearest filling station. 4 Reserve fuel level The fuel level has fallen below the reserve
range. X
Refuel at the nearest filling station. t Enter PIN You have not yet logged on to your mobile
phone*. X
Enter the PIN for the SIM card. t Bluetooth ready The Bluetooth connection between your
mobile phone and the audio system* or
COMAND APS* is not activated. X
If desired, activate the Bluetooth connection
between the mobile phone and the audio sys-
tem* or COMAND APS* (see separate operat-
ing instructions). t No telephone Your mobile phone is not inserted in the
bracket*. X
Insert the mobile phone into the
bracket* ( Ypage 163). W Top up washer fluid
Vehicles with bi-xenon headlamps*: The
washer fluid level in the washer fluid res-
ervoir has dropped below the minimum. X
Top up the windscreen washer fluid
(Y page 175). Practical advi
ce
* optional
245_AKB; 2; 7, en-GB
wdomann,
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