2022 MERCEDES-BENZ C-CLASS ESTATE Owners Manual

Display messages
Possible causes/consequences and P Solutions
M
Malfunction See Owner's
Manual * The brake force boosting function is impaired.
Hill S tart Assist may be impaired. &
WARNING Risk of an accident due t
o a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired. 
Drive on carefully. 
Have the brake system checked immediately at a q
ualiNed specialist workshop. M
Malfunction Stop vehicle * The brake force boosting function is impaired and the braking characteristics may be
aMect
ed.&
WARNING Risk of accident and injur
y if brake force boosting is malfunctioning
If brake force boosting is malfunctioning, increased brake pedal force may be necessary for braking. The braking
c
haracteristics may be impaired. The braking distance can increase in emergency braking situations. 
Stop in a safe location immediately. Do not continue driving! 
Consult a q
ualiNed specialist workshop.M
Check brake fluid level * There is
insuPcient br
ake Ouid in the brake Ouid reservoir. &
WARNING Risk of an accident due t
o low brake Ouid level
If the brake Ouid le
vel is too low, the braking eMect and the braking characteristics may be impaired. 502
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Stop the vehicle as soon as possible, paying attention to road and tr aPc conditions. Do not continue driving. 
Consult a q
ualiNed specialist workshop. 
Do not top up the brake Ouid.Check brake pads See
Owner's Manual
* The brakepads have reached the wear limit. 
Consult a q
ualiNed specialist workshop. Driving systems
Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
é
ATTENTION ASSIST: Take a
break! * ATTENTION ASSIST has detected fatigue or an increasing lack of concentration on the part of the driver
( pag e 243). 
If necessary, take a break.
J
- - -
km/h * Cruise control cannot be activated as not all activation conditions are
fulNlled.
Observe the activation conditions for cruise control (  pag e 246).
Cruise control inoperative * Cruise control is malfunctioning. 
Consult a q
ualiNed specialist workshop.
Cruise control and Limiter
inoperative * Cruise control and the limiter are malfunctioning. 
Consult a q
ualiNed specialist workshop.
Cruise control off * Cruise control has been deactivated.
If t
here is an additional warning tone, cruise control has been deactivated automatically (  page 244).504
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
Active Distance Assist
available again * Active Distance Assist DISTRONIC is operational again. 
Switch on Active Distance Assist DISTRONIC ( pag e 250).
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual * Speed Limit Assist is temporarily unavailable. 
Drive on
Once t

he cause of the problem is no longer present, the system will be available again.
Speed Limit Assist inopera-
tive * Speed Limit Assist is malfunctioning. 
Drive on
or 
Stop the vehicle in accordance with the tr
aPc conditions and restart the vehicle. 
If the display message does not disappear: consult a q ualiNed specialist workshop.
Speed limit (winter tyres)
XXX km/h * You have reached the maximum permissible stored speed for winter tyres. It is not possible to exceed this speed.
ð
Maximum speed exceeded * You have exceeded the maximum permissible speed (for certain countries only). 
Drive more slowly. Display messages and warning/indicator lamps
507

Display messages
Possible causes/consequences and P Solutions
î
inoperative * The Downhill Speed Regulation is malfunctioning. 
Consult a qualiNed specialist workshop.
î
Not in curr. drive prog. * The Downhill Speed Regulation is not available in the currently selected drive program. 
Change the drive program.
î
Max. speed
40 km/h * The maximum speed of 40 km/h for the Downhill Speed Regulation has been exceeded. 
Drive more slowly.
Active Steering Assist cur-
rently unavailable See Own-
er's Manual * Active Steering Assist is temporarily unavailable.
The ambient conditions ar
e outside the system limits (  page 257).
As soon as the ambient conditions are within the system limits, the system will become available again. 
Drive on 
Check the tyre pressure if necessary. 508
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Active Steering Assist inop-
erative * Active Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available. 
Drive on
or 
Stop the vehicle in accordance with the tr aPc conditions and restart the vehicle. 
If the display message does not disappear: consult a q ualiNed specialist workshop.
Ø * Active Steering Assist has reached the system limits ( pag

e 257).
You have not steered independently for a considerable period of time. 
Take over the steering and drive on in accordance with the tr
aPc conditions.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops * Active Steering Assist is temporarily unavailable due to multiple emergency stops. 
Take over the steering and stop in accordance with the tr
aPc conditions.
Switch the vehicle oM and switc
h it back on
Active Steering Assist is available once more.
Ø
Beginning emergency stop * Your hands are not on the steering wheel. Active Steering Assist will initiate an emergency stop ( pag

e 257).
Put your hands on the steering wheel.
Information on cancelling an emergency stop ( pag
e 259). Display messages and warning/indicator lamps
509