MERCEDES-BENZ C-CLASS SALOON 2022 Owners Manual

Page 481 of 585

Display messages
Possible causes/consequences and P Solutions 
Never drive with the boot lid open. 
Close the boot lid.
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.
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.

Page 482 of 585

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 174).
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.

Page 483 of 585

Display messages
Possible causes/consequences and P Solutions

Page 484 of 585

Display messages
Possible causes/consequences and P Solutions 
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.

Page 485 of 585

Display messages
Possible causes/consequences and P Solutions 
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. 482
Display messages and warning/indicator lamps

Page 486 of 585

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
483

Page 487 of 585

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.484
Display messages and warning/indicator lamps

Page 488 of 585

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
485

Page 489 of 585

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 224).
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 on486
Display messages and warning/indicator lamps

Page 490 of 585

Display messages
Possible causes/consequences and P Solutions 
Release the electric parking brake manually ( pag e 224).
or 
Release the electric parking brake automatically (  pag
e 224).
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 224).
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
487

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