Page 462 of 557

Display messages
Possible causes/consequences and M
MSolutions
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page 232). #
Drive on.
When the causes no longer appl y,the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. #
If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem borders ha vebeen reached (→ page 232). #
Drive on.
When the causes no longer appl y,the sy stem will be available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
Blind Spot Assist inopera-
tive *B
lind Spot 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. Display messages and
warning/indicator lamps 459
Page 463 of 557

Display messages
Possible causes/consequences and M
MSolutions
Example:Parking Pilot Park-
ing cancelled *T
he parking assis tance sy stems of Parking Pilot wereinter rupte d.You ha veopened the driver's door or touched the
st eering wheel, forex ample. #
Steer and brake manuall y.
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 .
Distance Pilot available
again *D
ista nce Pilot DISTRONIC is operational again and can be acti vated (→ page 196).
Distance Pilot currently
unavailable See Owner's
Manual *D
ista nce Pilot DISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem borders (→ page193). #
Drive on.
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again.
Distance Pilot inoperative *D
ista nce Pilot DISTRONIC is malfunctioning.
Other driving and driving sa fety sy stems may also be faulty. #
Consult a qualified specialist workshop. 460
Display messages and warning/indicator lamps
Page 464 of 557

Display messages
Possible causes/consequences and M
MSolutions
Steering Pilot currently
unavailable See Owner's
Manual *S
teering Pilot is temp orarily una vailable.
The ambient conditions are outside the sy stem borders (→ page 200). #
Drive on.
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision.
Steering Pilot inoperative *S
teering Pilot is malfunctioning. Dis tance Pilot DISTRONIC remains available. #
Consult a qualified specialist workshop.
Limiter passive *I
fyo u depress the accelera tor pedal be yond the pressure point (kickdown), the limiter is switched topassive mode
(→ page 191).
¯ - - - mph*C
ruise control cannot be activated as not all activation conditions are fulfilled. #
Obser vethe activation conditions for cruise control .
Cruise control off *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (→ page190).
Cruise control and Limiter
inoperative *C
ruise control and the limiter are malfunctioning. #
Consult a qualified specialist workshop.
Limiter inoperative *T
he limiter is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 461
Page 465 of 557

Display messages
Possible causes/consequences and M
MSolutions
È - - - mph*T
he limiter cannot be activated as not all activation conditions ha vebeen fulfilled. #
Obser vethe activation conditions of the limiter .
Speed limit (winter tyres)
XXX mph *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 (only for cer tain countries). #
Drive more slowl y.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
When the causes no longer appl y,the sy stem will be available again.
Traffic Sign Assist inopera-
tive *T
raffic Sign 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 confirm the display message. 462
Display messages and warning/indicator lamps
Page 466 of 557

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 confirm the display message.
Cruise control inoperative *C
ruise control is malfunctioning. #
Consult a qualified specialist workshop.
Parking Pilot Manoeuvring
assistance limited See
Owner's Manual *P
arking Pilot and Parking Assist PARKTRONIC are temp orarily una vailable. The ambient conditions are outside the
sy stem borders (→ page217). Be wareofthe entire vehicle sur roundings. #
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again.
Parking Pilot and
PARKTRONIC inoperative
See Owner's Manual *P
arking Pilot and Parking Assist PARKTRONIC are malfunctioning. #
Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine. #
Ifth e display message continues tobe displa yed, consult a qualified specialist workshop. Display messages and
warning/indicator lamps 463
Page 467 of 557
Engine
Display messages
Possible causes/consequences and M
MSolutions
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 .
? *T
hefan mo tor is faulty. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. 464
Displaymessa ges and warning/indicator lamps
Page 468 of 557
Display messages
Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 465
Page 469 of 557
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.
# 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. 466
Display messages and warning/indicator lamps