MERCEDES-BENZ A-CLASS HATCHBACK 2022 Owners Manual

Page 451 of 537

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 221).
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 on 
Release the electric parking brake manually ( pag
e 221).
or 
Release the electric parking brake automatically (  pag
e 220).
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. 448
Display messages and warning/indicator lamps

Page 452 of 537

Display messages
Possible causes/consequences and P Solutions
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 221).
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.
* 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: 
Switch oM t
he vehicle.
The electric parking brake will be applied automatically. Display messages and warning/indicator lamps
449

Page 453 of 537

Display messages
Possible causes/consequences and P Solutions
If you do not want the electric parking brake to be applied, e.g. at an automatic car wash or when the vehicle is being
t owed, leave the vehicle switched on. This does not include having the vehicle towed with the rear axle raised.
If the electric parking brake is not applied automatically: 
Switch the vehicle oM and switc
h it back on 
Release and then apply the electric parking brake manually (  pag
e 221).
If it is still 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 221).
If it is still not possible to release the electric parking brake: 
Do not continue driving. Consult a q
ualiNed specialist workshop.
$
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 220).
= You are performing emergency braking using the electric parking brake (  page 221).450
Display messages and warning/indicator lamps

Page 454 of 537

Display messages
Possible causes/consequences and P Solutions 
Check the conditions for automatic release of the electric parking brake. 
Release the electric parking brake manually.
$
Turn on the ignition to
release the parking brake * 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.
Risk of vehicle rolling away
Parking brake not applied
See Owner's Manual *
Vehicles with manual transmission: t
he electric parking brake has not been applied and you open the driver's door. 
Apply the electric parking brake.
M
Brake immediately *
Vehicles with manual transmission: a malfunction has occur
red while the HOLD function was activated.
A horn may also sound at regular intervals. If you attempt to lock the vehicle, the horn will become louder.
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
451

Page 455 of 537

Display messages
Possible causes/consequences and P Solutions
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. 
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 456 of 537

Display messages
Possible causes/consequences and P Solutions
é
ATTENTION ASSIST inoper-
ative * ATTENTION ASSIST is malfunctioning. 
Consult a qualiNed specialist workshop.
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 230). 
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 233).
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. Display messages and warning/indicator lamps
453

Page 457 of 537

Display messages
Possible causes/consequences and P Solutions
Cruise control off * Cruise control has been deactivated.
If t here is an additional warning tone, cruise control has been deactivated automatically (  page 232).

Page 458 of 537

Display messages
Possible causes/consequences and P Solutions

Page 459 of 537

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 237).
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.
ð Maximum speed exceeded * You have exceeded the maximum permissible speed (for certain countries only). 
Drive more slowly.
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.456
Display messages and warning/indicator lamps

Page 460 of 537

Display messages
Possible causes/consequences and P Solutions
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 241).
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.
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.
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.
Beginning emergency stop * Your hands are not on the steering wheel. An emergency stop is being initiated (  pag
e 243).
Put your hands back on the steering wheel.
You can cancel the deceleration at any time by performing one of the following actions: = S

teering Display messages and warning/indicator lamps
457

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