MERCEDES-BENZ CLS COUPE 2022 Owners Manual

Key
Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
Place the key in the
marked space See Owner's
Manual * Key detection is malfunctioning. 
Change the location of the key in the vehicle. 
Place the key in the slot for starting the engine with the key (  pag e 154).Lights
Display messages
Possible causes/consequences and P Solutions
:
Left dipped beam (e

xample)* The corresponding light source is defective. 
Drive on carefully. 
Consult a qualiNed specialist workshop immediately.
% LED light sources: the display message for the corresponding light appears only when all the light-emitting diodes
in t

he light are faulty.
: Malfunction See Owner's
Manual * The exterior lighting is malfunctioning. 
Consult a q
ualiNed 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 336).380
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
:
Automatic driving lights
inoperative * The light sensor for automatic driving lights is malfunctioning. 
Consult a qualiNed specialist workshop.
:
Active Light System inoper-
ative * The active headlamps are malfunctioning. 
Consult a q
ualiNed specialist workshop.
:
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. Display messages and warning/indicator lamps
381

Display messages
Possible causes/consequences and P Solutions
:
Intelligent Light System
inoperative * The Intelligent Light System is malfunctioning. The lighting system continues to function properly without the functions
of t he Intelligent Light System. 
Consult a q
ualiNed specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual * Adaptive Highbeam Assist is temporarily unavailable.
The sy
stem limits have been reached (  page 131).
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. 382
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
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 132).
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.
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 lamps mal-
functioning * The hazard warning lamp switch is malfunctioning. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
383

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.
;
inoperative Battery 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.
;
inoperative Refuel vehicle * There is too little fuel in the fuel tank. The stationary heater cannot be switched on. 
Refuel the vehicle. 384
Display messages and warning/indicator lamps

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 V
battery may discharge and starting the engine may be possible only with the help of a second battery (jump start).
ï
Operation only possible in
transmission position P * The ball neck will not swivel because transmission position
h, k or neutr
al i is selected.
Depress the brake pedal. 
Engage park position j.
ï Trailer coupling extending

Display messages
Possible causes/consequences and P Solutions
ï
Check trailer hitch
lock (whit
e display message) * The trailer hitch is not operational during a journey with a trailer. &
WARNING Risk of an accident if t he ball neck is not locked
The trailer may become detached. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Uncouple the trailer and secure it against rolling away. 
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 
Initiate a new swivel movement (  pag
e 240). 
When the display message disappears, couple up the trailer and drive on.
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.
* 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 retracted: initiat
e a new swivel movement ( page 240).
The ball neck will engage vertically in the locked position and then engage beneath the bumper. 386
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
If the ball neck has been extended: initiat e a new swivel movement ( page 240).
The ball neck will engage beneath the bumper.
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.
Head-up display inoperative * The head-up display has an internal error. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
387