2022 MERCEDES-BENZ C-CLASS SALOON Owners Manual

Display messages
Possible causes/consequences and P Solutions
PRE-SAFE inoperative See
Owner's Manual *
The PRE!

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
:
Malfunction See Owner's
Manual * The exterior lighting is malfunctioning. 
Consult a qualiNed specialist workshop.
* Vehicles with a trailer hitch: a fuse ma
y have blown. 
Stop the vehicle in accordance with the tr
aPc conditions. 
Check the fuses and replace them if necessary (  pag
e 409).
:
Automatic driving lights
inoperative * The light sensor for automatic driving lights is malfunctioning. 
Consult a q
ualiNed specialist workshop.
:
Active Light System inoper-
ative * The active headlamps are malfunctioning. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
457

Display messages
Possible causes/consequences and P Solutions
:
Switch on headlamps * You are driving without low-beam headlamps. 
Turn the light switch to the L or X position.
:
Switch off lights * You are leaving the vehicle and the lights are still switched on. 
Turn the light switch to the X position.
DIGITAL LIGHT Functions
limited * The DIGITAL LIGHT system is malfunctioning. The lighting system will continue to work even without the functions of
the DIGITAL LIGHT system. 
Consult a q
ualiNed specialist workshop.
Check low beam setting
(left/right-side traffic) * The type of tr

aPc has been selected manually. 
Check the setting and change it manually if necessary (  pag
e 146).
Low beam setting (left/
right-side traffic) Manual
adjustment only * The automatic headlamp conversion for
les-hand/r
ight-hand traPc has malfunctioned. 
Change the headlamps over manually (  pag
e 146).458
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual * Adaptive Highbeam Assist is temporarily unavailable.
The sy stem limits have been reached (  page 143).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist available again display message will appear. 
Drive on 
Operate the high beam manually until Adaptive High Beam Assist is available again.
Adaptive Highbeam Assist
inoperative * Adaptive Highbeam 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. 
Until then, operate the high beam manually.
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual * Adaptive Highbeam Assist Plus is temporarily unavailable.
The sy
stem limits have been reached (  page 144).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist Plus available again display message will appear. 
Drive on 
Operate the high beam manually until Adaptive High Beam Assist Plus is available again. Display messages and warning/indicator lamps
459

Display messages
Possible causes/consequences and P Solutions
Adaptive Highbeam Assist
Plus inoperative * Adaptive Highbeam Assist Plus 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. 
Until then, operate the high beam manually.
Hazard warning lamp sys-
tem Malfunction * The hazard warning lamp switch is malfunctioning. 
Consult a q
ualiNed specialist workshop.Climate control
Display messages
Possible causes/consequences and P Solutions
;
inoperative See Owner's
Man. * The stationary heater is temporarily malfunctioning. 
When the vehicle is stationary on a level surface and the engine has cooled down, make up to four attempts to
switc

h on the stationary heater, waiting several minutes between each attempt. 
If the stationary heater does not switch on, consult a q
ualiNed specialist workshop.
% The stationary heater cannot be activated if the outside temperature is above 15°C. 460
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
;
Currently unavailable Bat-
tery low * The on-board electrical system voltage is too low.
The s tationary heater has switched itself oM. 
Drive an extended distance until the battery has reached a suPcient c
harge level again.
;
Currently unavailable Refuel * There is too little fuel in the fuel tank. The stationary heater cannot be switched on. 
Refuel the vehicle.
;
Currently unavailable High-
voltage battery charging
incomplete. * The high-voltage battery is charging. Pre-entry climate control cannot be switched on. 
Wait until the charging process has achieved a minimum charge. Display messages and warning/indicator lamps
461