MERCEDES-BENZ C-CLASS ESTATE 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Ù
Rear axle steering Malfunc-
tion Visit workshop * The rear axle steering is malfunctioning.
The r ear axle has no steering capability.
The steering wheel may be at an angle when you drive in a straight line. 
Adapt your speed and drive on carefully. 
Consult a q
ualiNed specialist workshop immediately.
Ù
Rear axle steering Malfunc-
tion Stop immediately * The rear axle steering is malfunctioning.
The r
ear axle has no steering capability.
The steering wheel may be tilted when you drive in a straight line. &
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.Active bonnet malfunction
See Owner's Manual
* The active bonnet (pedestrian protection) is malfunctioning or inoperative
aser ha
ving already been triggered.
Consult a q
ualiNed specialist workshop.
Ambient light warning sup-
port inoperative * The ambient lighting may not provide full visual warning support. 
Lock the vehicle and unlock it again aser a f
ew minutes.488
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
If the display message appears regularly, contact a q ualiNed specialist workshop.
Q * At least one door is open. 
Close all doors.
f * 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.
e * The tailgate is open. &
DANGER Risk of poisoning fr
om exhaust gases
Combustion engines emit poisonous exhaust gases, such as carbon monoxide. Exhaust gases can enter the vehi-
cle int
erior if the tailgate is open when the engine is running, especially if the vehicle is in motion. 
Always switch oM t
he engine before opening the tailgate. Display messages and warning/indicator lamps
489

Display messages
Possible causes/consequences and P Solutions 
Never drive with the tailgate open. 
Close the tailgate.
Function blocked as centre
backrest is folded down * You cannot electrically unlock the
les seat bac krest. 
Fold the centre seat backrest back until it engages.
Function blocked due to
partitioning net * 
Remove the combined luggage cover and net ( pag
e 128).
o
Rear left seat backrest not
locked (Ex

ample) * The seat backrest of the corresponding seat is not engaged. 
Fold the seat backrest back until it engages.

Display messages
Possible causes/consequences and P Solutions
If the display message still appears: 
Consult a qualiNed specialist workshop. Engine
Display messages
Possible causes/consequences and P Solutions
To switch off the vehicle,
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 180).
Cannot start vehicle 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 
Have the engine cooling system checked at a q ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions
Reserve fuel level * The fuel supply has dropped into the reserve range. 
Refuel.
: Clean the fuel filter *
Vehicles with diesel engines: t he fuel Nlter is dirty or the water in the fuel Nlter needs to be drained. 
Consult a q
ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions
Apply brake to deselect 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.
Apply brake and start vehi-
cle to shift out of P or N * 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 engage 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 engage R * You have attempted to select transmission position k.
Depress the brake pedal. 
Select transmission position k.
Apply parking brake to
park Visit workshop * A malfunction has occurred in the emergency power supply to park position
j.
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. 494
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Risk of vehicle rolling away
Driver's door open 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.
Risk of vehicle rolling away
Apply parking brake to park * The transmission is malfunctioning. Park position
j canno
t be selected.
Park the vehicle safely. 
Use the electric parking brake to secure the vehicle against rolling away. 
On gradients, turn the front wheels so that the vehicle will roll towards the kerb if it starts moving.
Risk of vehicle rolling away
N activated manually No
automatic switch to P * While the vehicle was at a standstill or driving at very low speed, neutral
i w
as engaged with the engine running or
the vehicle switched on.
* NOTE Damag
e to the vehicle due to rolling away When the vehicle is switched
oM or t
he driver's door is opened, automatic engagement of park position j is deac-
tivated.
The vehicle may roll away. 
Be ready to brake. 
Do not leave the vehicle unattended. 
Depress the brake pedal until the vehicle comes to a standstill. 
Engage park position j when t
he vehicle is stationary with the brake pedal depressed. Display messages and warning/indicator lamps
495

Display messages
Possible causes/consequences and P Solutions 
To continue driving with the brake pedal depressed, select transmission position h or k.
N automatically activated
Please engage transmis-
sion position again * Neutral
i w as automatically engaged when the vehicle was rolling or being driven.
% When you open the driver's door in neutral i, par
k position j will be engaged automatically. 
Engage park position j when t
he vehicle is stationary with the brake pedal depressed. 
To continue driving with the brake pedal depressed, select transmission position h or k.
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. 
Depress the brake pedal. 
Engage park position j. 
Consult a q
ualiNed specialist workshop.
Consult workshop without
changing the transmission
position * 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.496
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Drive malfunction Stop
Restart vehicle * The transmission is malfunctioning. 
Stop the vehicle immediately in accordance with the tr aPc conditions. 
Restart the vehicle.
If the display message still appears: 
Consult a q
ualiNed specialist workshop.
Drive malfunction Stop
Consult workshop * The transmission is malfunctioning. 
Stop the vehicle immediately in a safe location and do not continue driving. 
Consult a q
ualiNed specialist workshop.
Drive overheated. Drive on
with care * The transmission is overheating. When the display message is active, start-up and driving characteristics may be tem-
por
arily impaired. 
Drive at low engine speed. 
Avoid sporty driving. 
Before pulling away on uphill gradients, let the transmission cool down until the display message disappears.
Auxiliary battery malfunc-
tion (whit

e 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. Display messages and warning/indicator lamps
497