2022 MERCEDES-BENZ A-CLASS SALOON Owners Manual

Display messages
Possible causes/consequences and P Solutions 
Refuel immediately.
Subseq
uently, there may be temporary restrictions in the availability of electric mode over a driving distance of
50 km.
If there is fuel in the vehicle, there is a fault with the combustion engine. 
Consult a q
ualiNed specialist workshop.
"Electric" drive program
currently unavailable * The charge level of the high-voltage battery is not
suPcient f
or the Electric drive program.
Charge the high-voltage battery ( page 190).
Reduced drive system per-
formance See Owner's
Manual * The drive system switches to emergency operation mode due to a malfunction. 
Drive on carefully. 
Consult a q
ualiNed specialist workshop.
Û
Battery overheated Stop,
everybody out! Outdoors if
possible * The high-voltage battery has overheated. There is a risk of
Nr
e.
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
If possible, stop the vehicle in the open air and ensure that all vehicle occupants get out.
% Supporting vehicle functions may activate automatically, e.g. the air-recirculation mode as part of climate control. 
Do not continue driving. 
If smoke is present, leave the danger zone and call the Nr
e service immediately.
Consult a q
ualiNed specialist workshop even if there are no external signs of a Nre.422
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Û
Malfunction * The drive system is malfunctioning. A warning tone will also sound. 
Consult a qualiNed specialist workshop.
* There is a serious malfunction if the display message and warning tone are repeated at short intervals. You must stop t
he vehicle immediately in accordance with the traPc conditions because the drive system is automatically deactiva-
ted. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
Switch oM t
he vehicle and consult a qualiNed specialist workshop.
Û
Malfunction Visit workshop * The drive system is malfunctioning. 
Consult a q
ualiNed specialist workshop.
Without changing gear,
consult workshop * The drive system cannot be restarted due to a malfunction.
If t
he transmission position is changed using the DIRECT SELECT lever, the drive system will be switched oM in park
position j or neutral i. 
Consult a q
ualiNed specialist workshop and do not change the transmission position.
Without starting engine
again, consult workshop * It is not possible to restart the drive system due to a malfunction. 
Do not switch oM t
he drive system; drive on to the nearest qualiNed specialist workshop. Display messages and warning/indicator lamps
423

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
6
Please wait Depressurising
tank *
Vehicles with petrol engines: t he pressure in the fuel tank is reduced before the fuel Nller Oap is opened. The pressure
reduction can take up to 15 minutes.
6 Tank is depressurised
Ready for refuelling *
Vehicles with petrol engines: t
he pressure in the fuel tank is released and the fuel Nller Oap opens.
6
Tank ventilation Malfunc-
tion Consult workshop *
Vehicles with petrol engines: Ther
e is a malfunction in the fuel system. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
425

Vehicle
Display messages
Possible causes/consequences and P Solutions
r
Vehicle is operational
Switch off ignition before
exiting * You are leaving the vehicle in a ready-to-drive state. 
Get out of the vehicle, secure it against rolling away and take the key with you. 
If you do not leave the vehicle, switch oM t he electrical consumers, e.g. the seat heating. Otherwise, the 12!

Display messages
Possible causes/consequences and P Solutions 
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball nec k. 
Consult a q
ualiNed specialist workshop.
* When the vehicle is stationary with a coupled trailer, the trailer hitch is not operational. 
Uncouple the coupled trailer and secure it against rolling away. 
If the ball neck has been folded in: unloc
k the ball neck ( page 268). 
Swivel the ball neck into the end position manually and let it engage. 
If the ball neck has been folded out: unloc
k the ball neck ( page 268). 
Swivel the ball neck beneath the bumper manually and let it engage.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked. 
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball nec
k. 
Consult a q
ualiNed specialist workshop.
Head-up display currently
unavailable See Owner's
Manual * The head-up display is temporarily unavailable. Possible causes:
= malfunctions in t

he power supply
= signal interference 
Stop in accordance with the tr
aPc conditions and switch the vehicle oM and on again. 
If the display message still appears, consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
427

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.