MERCEDES-BENZ C-CLASS ESTATE 2021 Owners Manual

LightsDisplay messagesPossible causes/consequences and 0050 Solutions
:
Left dipped beam (example)
*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 the light are faulty.
:
Malfunction See Owner's
Manual
*The exterior lighting is malfunctioning.Consult a qualiNed specialist workshop.*Vehicles with a trailer hitch: a fuse may have blown.Stop the vehicle in accordance with the traPc conditions.Check the fuses and replace them if necessary (  page 346).
:
Automatic driving lights
inoperative
*The light sensor for automatic driving lights is malfunctioning.Consult a qualiNed specialist workshop.Display messages and warning/indicator lamps469

Display messagesPossible causes/consequences and 0050 Solutions
:
Switch on headlamps
*You are driving without low-beam headlamps.Turn the light switch to the 0058 or 0058 position.
:
Switch off lights
*You are leaving the vehicle and the lights are still switched on.Turn the light switch to the 0058 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 qualiNed specialist workshop.Check dipped-beam set-
ting (left/right-side traffic)*The type of traPc has been selected manually.Check the setting and change it manually if necessary (  page 136).Dipped-beam setting (left/
right-side traffic) Manual
adjustment only*The automatic headlamp conversion for les-hand/right-hand traPc has malfunctioned.Change the headlamps over manually (  page 136).470Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and 0050 SolutionsAdaptive Highbeam Assist
currently unavailable See
Owner's Manual*Adaptive Highbeam Assist is temporarily unavailable.
The system limits have been reached (  page 133).
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 onOperate 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 traPc conditions and restart the vehicle.If the display message does not disappear: consult a qualiNed 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 system limits have been reached (  page 134).
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 onOperate the high beam manually until Adaptive High Beam Assist Plus is available again.Display messages and warning/indicator lamps471

Display messagesPossible causes/consequences and 0050 SolutionsAdaptive Highbeam Assist
Plus inoperative*Adaptive Highbeam Assist Plus is malfunctioning.Drive on
or
Stop the vehicle in accordance with the traPc conditions and restart the vehicle.If the display message does not disappear: consult a qualiNed specialist workshop.Until then, operate the high beam manually.Hazard warning lamp sys-
tem Malfunction*The hazard warning lamp switch is malfunctioning.Consult a qualiNed specialist workshop.Climate controlDisplay messagesPossible causes/consequences and 0050 Solutions
003B
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
switch on the stationary heater, waiting several minutes between each attempt.If the stationary heater does not switch on, consult a qualiNed specialist workshop.%The stationary heater cannot be activated if the outside temperature is above 15°C.472Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and 0050 Solutions
003B
inoperative Battery low
*The on-board electrical system voltage is too low.
The stationary heater has switched itself oM.Drive an extended distance until the battery has reached a suPcient charge level again.
003B
Inoperative Refuel vehicle
*There is too little fuel in the fuel tank. The stationary heater cannot be switched on.Refuel the vehicle.VehicleDisplay messagesPossible causes/consequences and 0050 Solutions*The driver display is inoperative due to a failed sosware update.
The display message is shown every time the engine is started.&WARNING Risk of accident due to a driver display malfunction
If the driver display has failed or malfunctioned, the function restrictions applying to safety relevant systems are
not visible.
The operating safety of your vehicle may be impaired.
Display messages and warning/indicator lamps473

Display messagesPossible causes/consequences and 0050 SolutionsDrive on carefully.Have the vehicle checked immediately at a qualiNed specialist workshop.If the operating safety of your vehicle is impaired, park the vehicle immediately and safely. Contact a qualiNed special-
ist workshop.
If the driver display fails, you may not recognise function restrictions aMecting systems relevant to safety or the speed
display, for example. The operating safety of the vehicle may be impaired (  page 277).
Have the vehicle checked by a qualiNed specialist workshop immediately.
0072
Vehicle is operational
Switch off vehicle before
exiting
*You are leaving the vehicle in a ready-to-drive state.When you leave the vehicle, switch oM the ignition, secure the vehicle against rolling away and take the key with
you.If you do not leave the vehicle, switch oM the electrical consumers, e.g. the seat heating. Otherwise, the 12!äV bat-
tery may discharge and starting the engine may be possible only with the help of a second battery (jump start).
ï
Check trailer hitch lock
*The trailer hitch is not operational during a journey with a trailer.&WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
Stop the vehicle immediately in accordance with the traPc conditions. Do not continue driving.474Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and 0050 SolutionsUncouple the trailer and secure it against rolling away.Initiate a new swivel movement and do not re-couple the trailer until the warning/indicator lamp goes out.Initiate a new swivel movement (  page 256).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 neck.Consult a qualiNed specialist workshop.*The trailer hitch will not be operational when the vehicle is stationary.Uncouple the coupled trailer and secure it against rolling away.If the ball neck has been folded in: unlock the ball neck ( page 256).Swivel the ball neck into the end position manually and let it engage.If the ball neck has been folded out: unlock the ball neck ( page 256).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 neck.Display messages and warning/indicator lamps475

Display messagesPossible causes/consequences and 0050 SolutionsConsult a qualiNed specialist workshop.Head-up display currently
unavailable See Owner's
Manual*The head-up display is temporarily unavailable. Possible causes:
= malfunctions in the power supply
= signal interferenceStop the vehicle in accordance with the traPc conditions and switch the ignition oM and on again.If the display message still appears, consult a qualiNed specialist workshop.Head-up display inoperative*The head-up display has an internal error.Consult a qualiNed specialist workshop.Head-up display Brightness
currently reduced See Own-
er's Manual*The brightness of the head-up display is reduced. Possible causes:
= Dirt on the windscreen in the camera's Neld of vision
= Faulty exterior brightness signalsSwitch on the windscreen wipers.Clean the windscreen if necessary.Switch the ignition oM and switch it back on.If the display message still appears, consult a qualiNed specialist workshop.476Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and 0050 Solutions
Ù
Steering malfunction Drive
carefully Visit workshop
*A power steering malfunction has occurred. Steering characteristics may be impaired as a result.Drive on carefully.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 to 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 qualiNed specialist workshop immediately.
Ù
Steering malfunction Stop
immediately See Owner's
Manual
*The steering is malfunctioning. Steering capability is signiNcantly impaired.&WARNING Risk of accident if steering 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 traPc conditions. Do
not continue driving under any circumstances.Consult a qualiNed specialist workshop.Display messages and warning/indicator lamps477

Display messagesPossible causes/consequences and 0050 Solutions
Ù
Rear axle steering cur-
rently malfunctioning
*The rear axle steering is temporarily unavailable. The turning circle may become wider.Stop the vehicle in accordance with the traPc conditions and restart the vehicle.
If the display message does not disappear:
Drive on carefully.Consult a qualiNed specialist workshop.
Ù
Rear axle steering Malfunc-
tion Visit workshop
*The rear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may be tilted when you drive in a straight line.Adapt your speed and drive on carefully.Consult a qualiNed specialist workshop immediately.
Ù
Rear axle steering Malfunc-
tion Stop immediately
*The rear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may be tilted when you drive in a straight line.&WARNING Risk of accident if steering 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 traPc conditions. Do
not continue driving under any circumstances.478Display messages and warning/indicator lamps