MERCEDES-BENZ C-CLASS ESTATE 2022 Owners Manual

Page 501 of 601

Display messages
Possible causes/consequences and P Solutions
Auxiliary battery malfunc-
tion (r
ed display message) * There is a malfunction in the auxiliary battery. 
Consult a q
ualiNed specialist workshop. 
Until then, always select park position j manuall
y before you switch oM the vehicle. 
Before leaving the vehicle, apply the electric parking brake. Brakes
Display messages
Possible causes/consequences and P Solutions
$
Parking brake See Owner's
Manual * The yellow
$ indicat
or lamp is lit. The electric parking brake is malfunctioning.
To apply: 
Switch the vehicle oM and switc
h it back on 
Apply the electric parking brake manually (  pag
e 233).
If it is not possible to apply the electric parking brake: 
Consult a q
ualiNed specialist workshop. 
Where necessary, also secure the parked vehicle against rolling away.
* The yellow $ indicat
or lamp and the red $ indicator lamp are lit. The electric parking brake is malfunctioning.
To release: 
Switch the vehicle oM and switc
h it back on498
Display messages and warning/indicator lamps

Page 502 of 601

Display messages
Possible causes/consequences and P Solutions 
Release the electric parking brake manually ( pag e 233).
or 
Release the electric parking brake automatically (  pag
e 232).
If it is still not possible to release the electric parking brake: 
Do not continue driving. Consult a q
ualiNed specialist workshop.
* The yellow $ indicat
or lamp is lit and the red $ indicator lamp is Oashing. The electric parking brake is malfunc-
tioning.
The electric parking brake could not be applied or released. 
Switch the vehicle oM and switc
h it back on
To apply: 
Release and then apply the electric parking brake manually (  pag
e 233).
To release: 
Apply and then release the electric parking brake manually.
If it is not possible to apply the electric parking brake or the red $ indicat
or lamp continues to Oash: 
Do not continue driving. Consult a q
ualiNed specialist workshop. 
Where necessary, also secure the parked vehicle against rolling away. Display messages and warning/indicator lamps
499

Page 503 of 601

Display messages
Possible causes/consequences and P Solutions
* The yellow $ indicat or lamp is lit and the red $ indicator lamp Oashes for approximately ten seconds aser the
electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is mal-
functioning.
If the state of charge is too low: 
Charge the 12 V battery.
To apply: 
Apply the electric parking brake manually.
If it is not possible to apply the electric parking brake: 
Consult a q
ualiNed specialist workshop. 
Where necessary, also secure the parked vehicle against rolling away.
To release: 
If the conditions for automatic release are fulNlled and t
he electric parking brake is not released automatically,
release the electric parking brake manually (  page 233).
If it is still not possible to release the electric parking brake: 
Do not continue driving. Consult a q
ualiNed specialist workshop. 500
Display messages and warning/indicator lamps

Page 504 of 601

Display messages
Possible causes/consequences and P Solutions
$
Release parking brake * The red $ indicat
or lamp is Oashing.
The electric parking brake is applied while you are driving:
= A condition for automatic release of the electric parking brake has not been fulNlled ( page 232).
= You are performing emergency braking using the electric parking brake (  page 233).
Check the conditions for automatic release of the electric parking brake. 
Release the electric parking brake manually.
$
Parking brake Switch on
vehicle to release * The red $ indicat

or lamp is lit.
You have attempted to release the electric parking brake with the vehicle switched oM.
Switch on the vehicle.
M Brake immediately * A malfunction has occurred while the HOLD function was activated.
A hor
n may also sound at regular intervals.
You cannot start the vehicle system. 
Immediately depress the brake pedal Nr
mly until the display message disappears.
You cannot start the vehicle system again. Display messages and warning/indicator lamps
501

Page 505 of 601

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

Page 506 of 601

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

Page 507 of 601

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

Page 508 of 601

Display messages
Possible causes/consequences and P Solutions

Page 509 of 601

Display messages
Possible causes/consequences and P Solutions

Page 510 of 601

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

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