Page 489 of 589

Display messages
Possible causes/consequences and M
MSolutions #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
6
Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page31). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
Check brake pads See
Owner's Manual *T
he brake pads ha vereached thewe ar limit. &
WARNING Risk of accident due torestricted braking po wer
When the brake pads ha vereached their wear limit, the braking po wer may be restricted. #
Drive on carefully. #
Have the brake sy stem checked immediately at a qualified specialist workshop. 486
Display messages and warning/indicator lamps
Page 490 of 589
Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. Driving sy
stems Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
In order toadjust theve hicle le vel,yo u must not drive at speeds greater than 60 km/h. #
In order toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 30 km/h. Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 487
Page 491 of 589

Display messages
Possible causes/consequences and M
MSolutions
É Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle is raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop. Active Steering Assist cur-
rently unavailable See Own-
er's Manual
*A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (→ page 208). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision. #
Check the tyre pressure if necessar y.
À ATTENTION ASSIST: Take a
break! *A
TTENTION ASSIST has de tected fatigue or an increasing la ckof concentration on the part of the driver
(→ page 235). #
If necessar y,take a break.
Traffic Sign Assist inopera-
tive *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop. 488
Display messages and warning/indicator lamps
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Display messages
Possible causes/consequences and M
MSolutions
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (→ page242).
Ve hicles with Active Steering Assis t:the camera view may be limited bythe windscreen. #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
If th e display message does not disappear on vehicles with Active Steering Assis t: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean the windscreen. *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 (→ page214). Displ
aymessa ges and warning/indicator lamps 489
Page 493 of 589

Display messages
Possible causes/consequences and M
MSolutions
É Vehicle rising *Y
our vehicle is adjusting tothe le velyo u ha veselected.
Traffic Sign Assist Camera
view restricted See Own-
er's Manual *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
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 the windscreen.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop. Fault Drive at max. 80
km/h
*T
he AIR BODY CONTROL function is restricted. The vehicle's handling characteristics may be af fected. #
Drive in a manner appropria teforth e cur rent le vel, but do not exceed 80 km/h. #
Consult a qualified specialist workshop.
DY NA MIC BODY CONT ROL is malfunctioning. The vehicle's handling characteristics may be af fected. 490
Display messages and warning/indicator lamps
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Display messages
Possible causes/consequences and M
MSolutions #
Do not drive at speeds greater than 80 km/h. #
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.
É Stop vehicle Vehicle too
low *Y
ou ha vepulled away despite theve hicle le vel being too lo w. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions.
The vehicle is raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
If th e display message does not disappear and a warning tone also sounds, AIR BODY CONTROL is malfunctioning: #
Do not drive fasterthan 80 km/h and consult a qualified specialist workshop immediatel y.
* NO
TEThe tyres of the front axle or the front wings could be damaged bylarge steering mo vements #
Avoid large steering mo vements while driving and lis tenfo r scraping sounds. #
Ifyo u hear sc raping sounds, pull over and stop theve hicle safely, paying attention toroad and traf fic con‐
ditions, and set a higher vehicle le vel if possible. #
Set a higher vehicle le vel (→ page 217).
Depending on the malfunction, theve hicle is raised. Display messages and
warning/indicator lamps 491
Page 495 of 589
Display messages
Possible causes/consequences and M
MSolutions
¢ Lowering *T
hevehicle le vel may be lo weredfo rth efo llowing reasons:
R you ha veselected a dif fere nt drive program.
R you ha veexc eeded a critical speed.
R you ha vechanged theve hicle le velby pressing a button.
À ATTENTION ASSIST inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop.
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 204).
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 204). 492
Displaymessa ges and warning/indicator lamps
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Display messages
Possible causes/consequences and M
MSolutions
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 (→ page212).
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 202). #
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.
Active Distance Assist
available again *A
ctive Dis tance Assi stDISTRONIC is operational again and can be acti vated (→ page 204).
¯ - - -km/h *C
ruise control cannot be activated as not all activation conditions are fulfilled. #
Obser vethe activation conditions for cruise control (→ page 200).
Cruise control off *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (→ page198). Displ
aymessa ges and warning/indicator lamps 493