MERCEDES-BENZ A-CLASS SALOON 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Head-up display inoperative * The head-up display has an internal error. 
Consult a qualiNed specialist workshop.
Ù
Steering malfunction
Increased physical effort
See Owner's Manual * The power steering assistance is malfunctioning. &
WARNING Risk of an accident due t
o altered steering characteristics
If the power assistance of the steering fails partially or completely, you will need to use more force to steer. 
If safe steering is possible, drive on carefully. 
Visit or consult a q
ualiNed specialist workshop immediately. Ù
Steering malfunction Stop
immediately See Owner's
Manual * The steering is malfunctioning. Steering capability is
signiNcantl
y impaired. &
WARNING Risk of accident if s
teering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised. 
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tr
aPc conditions. Do
not continue driving under any circumstances. 
Consult a q
ualiNed specialist workshop.428
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Ù
Steering malfunction See
Owner's Manual * The electric steering lock is malfunctioning. The steering may be locked by the electric steering lock. &
WARNING Risk of accident if s teering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised. 
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tr
aPc conditions. Do
not continue driving under any circumstances. 
Consult a q
ualiNed specialist workshop. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Consult a q
ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions
Q * At least one door is open. 
Close all doors.
M * The bonnet is open. &
WARNING Risk of accident due t o driving with the bonnet unlocked
The bonnet may open and block your view. 
Never release the bonnet when driving. 
Before every trip, ensure that the engine bonnet is locked. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
Close the bonnet.
N * The boot lid is open. &
DANGER Risk of e
xhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the vehicle
int
erior if the boot lid is open when the engine is running, especially if the vehicle is in motion. 
Always switch oM t
he engine before opening the boot lid. 
Never drive with the boot lid open. 430
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Close the boot lid.
Anti-theft alarm system
Malfunction * The anti-thes alarm system is malfunctioning. 
Consult a q
ualiNed specialist workshop.

Engine
Display messages
Possible causes/consequences and P Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. * You have pressed the start/stop button while the vehicle is in motion. 
Information about switching oM t he vehicle while driving ( page 161).
Cannot start engine See
Owner's Manual * The vehicle cannot be started. 
Switch the vehicle oM and switc
h it back on 
If the display message still appears, consult a q
ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Transmission
Display messages
Possible causes/consequences and P Solutions
Only select Park (P) when
vehicle is stationary * It is possible to select the park position
j onl y if the vehicle is stationary. 
Depress the brake pedal to stop. 
Shis t
he transmission to park position j when the vehicle is stationary.
Apply brake to deselect
Park (P) position * You have attempted to
shis t
he transmission out of park position j and into another transmission position. 
Depress the brake pedal. 
Select transmission position h, k or neutr
al i.
To shift out of P or N,
depress brake and start
engine * You have attempted to
shis t
he transmission out of park position j or neutral i and into another transmission posi-
tion. 
Depress the brake pedal. 
Start the vehicle. 
Change the transmission position.
Apply brake to select D or R * You have attempted to select transmission position h or k. 
Depress the brake pedal. 
Select transmission position h or k.
Apply brake to select R * You have attempted to select transmission position k. 
Depress the brake pedal. Display messages and warning/indicator lamps
435

Display messages
Possible causes/consequences and P Solutions 
Select transmission position k.
Risk of vehicle rolling
Driver door open and trans-
mission not in P * The driver's door is not fully closed and transmission position
h, k or neutr al i is selected.
The vehicle may roll away. 
Select park position j when switc
hing oM the vehicle.
N permanently active Risk
of vehicle rolling * While the vehicle is rolling or while you are driving, neutral
i has been eng
aged.
Depress the brake pedal to stop. 
Shis t
he transmission to park position j when the vehicle is stationary. 
To continue driving, select transmission position h or k.
Without changing gear,
consult workshop * The transmission is malfunctioning. It is no longer possible to change the transmission position. 
If transmission position h is select
ed, consult a qualiNed specialist workshop and do not change the transmission
position. 
For all other transmission positions, park the vehicle safely. 
Consult a q
ualiNed specialist workshop.
Reversing not poss. Con-
sult workshop * The transmission is malfunctioning. It is not possible to select transmission position
k.
Consult a q
ualiNed specialist workshop.
Transmission Malfunction
Stop * The transmission is malfunctioning. The transmission
shiss t
o neutral i automatically.
Stop the vehicle immediately in accordance with the tr
aPc conditions. 436
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Depress the brake pedal. 
Engage park position j. 
Consult a qualiNed specialist workshop.
Transmission Malfunction * The transmission is malfunctioning. The cause could be an overheated clutch or blocked gears. 
Let the transmission cool down. 
If the display message still appears following a restart, consult a q
ualiNed specialist workshop.