Page 529 of 621

Display messages
Possible causes/consequences and M
MSolutions *A
ctive Steering Assist has reached its sy stem limits. #
Take ove rth esteering and drive on in accordance with the traf fic conditions.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
ë
Off *T
he HOLD function is deactivated because theve hicle is skidding or a condition for activation is not met. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function (/ page217).
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
À *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop. 526
Display messages and warning/indicator lamps
Page 530 of 621

Display messages
Possible causes/consequences and M
MSolutions
ATTENTION ASSIST inoper-
ative
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop.
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual *S
peed Limit Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. Currently unavailable
Radar sensors dirty
*T
heradar sensor sy stem is malfunctioning. Possible causes:
R dirt on the sensors
R heavy rain or snow
R extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean all senso rs (/ page442). #
Restart the engine. Display messages and
warning/indicator lamps 527
Page 531 of 621

Display messages
Possible causes/consequences and M
MSolutions
ç Off *A
ctive Dis tance Assi stDISTRONIC was deactivated. If a warning tone also sounds, theAc tive Dis tance Assi st
DISTRONIC has deacti vated automatically (/ page 207).
ç - - -km/h *A
ctive Dis tance Assi stDISTRONIC cannot be acti vated as not all activation conditions ha vebeen fulfilled. #
Comply with the activation conditions of Active Dis tance Assi stDISTRONIC (/ page 207).
ç
suspended *I
fyo u activate the accelera tor pedal be yond theAc tive Dis tance Assi stDISTRONIC setting, the sy stem will be put
into passive mode (/ page215).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assi stDISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page 205). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Distance Assist inop-
erative *A
ctive Dis tance Assi stDISTRONIC is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Consult a qualified specialist workshop. 528
Display messages and warning/indicator lamps
Page 532 of 621

Display messages
Possible causes/consequences and M
MSolutions
Active Distance Assist
available again *A
ctive Dis tance Assi stDISTRONIC is operational again and can be acti vated (/ page 207).
¯
- - - km/h *C
ruise control cannot be activated as not all activation conditions are fulfilled. #
Obser vethe activation conditions for cruise control (/ page 203).
Cruise control off *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (/ page 201).
Cruise control inoperative *C
ruise control is malfunctioning. #
Consult a qualified specialist workshop.
Cruise control and Limiter
inoperative *C
ruise control and the limiter are malfunctioning. #
Consult a qualified specialist workshop.
È - - - km/h *T
he limiter cannot be activated as not all activation conditions ha vebeen fulfilled. #
Obser vethe activation conditions of the limiter (/ page 203).
Limiter inoperative *T
he limiter is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 529
Page 533 of 621

Display messages
Possible causes/consequences and M
MSolutions
Limiter passive *I
fyo u depress the accelera tor pedal be yond the pressure point (kickdown), the limiter is switched topassive mode
(/ page 203).
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached thestored maximum speed for winter tyres. It is not possible toexc eed this speed.
ð Maximum speed exceeded *T
he maximum permissible speed has been exceeded (for cer tain countries only). #
Drive more slowl y. *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
R mist on the windscreen in front of the camera
% Mist de tected on the windscreen is automatically remo ved using a built-in heater within appr ox.12 minutes.
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 530
Display messages and warning/indicator lamps
Page 534 of 621
Display messages
Possible causes/consequences and M
MSolutions
Currently unavailable Cam-
era view restricted #
Clean the windscreen if necessar y.
Speed Limit Assist inopera-
tive *S
peed Limit Assist is malfunctioning. #
Consult a qualified specialist workshop. Engine
Display messages
Possible causes/consequences and M
MSolutions
# See Owner's Manual *T
he battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Consult a qualified specialist workshop.
! *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 531
Page 535 of 621
Display messages
Possible causes/consequences and M
MSolutions
Clean the fuel filter
#
Stop vehicle Leave engine
running *T
he battery charge leve l is too lo w. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 435).
¸
Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
# *T
he engine is off and the battery charge leve l is too lo w. #
Switch off electrical consumers that are not required. 532
Display messages and warning/indicator lamps
Page 536 of 621

Display messages
Possible causes/consequences and M
MSolutions
12 V battery See Owner's
Manual #
Lea vethe engine running for a few minutes, or drive for a longer dis tance.
The battery will charge.
If th e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. #
Consult a qualified specialist workshop.
# Stop vehicle See Owner's
Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Switch off the engine. #
Consult a qualified specialist workshop.
Drive system Malfunction
Stop Switch engine off *T
he drive sy stem is malfunctioning. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Consult a qualified specialist workshop.
Drive system Malfunction
Visit workshop *T
he drive sy stem is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 533