MERCEDES-BENZ S CLASS 2023 Owners Manual

Display messagesPossible causes/consequences and P SolutionsHigh-Voltage Battery Fault
No Start in Approx. XXX mi
Service Required (red dis-
play message)*A malfunction has occurred in the high-voltage battery.
It will no longer be possible to start the electric drive system a"ser the distance displayed has been covered.
It is still possible to start the combustion engine.Have the necessary maintenance work on the high-voltage battery carried out immediately at a quali"Ned specialist
workshop.Hight-Voltage Battery Fault
Do Not Restart Service
Required*A malfunction has occurred in the high-voltage battery.
It will no longer be possible to restart the drive system once it has been switched o"M.Do not switch o"M the drive system; drive on to the nearest quali"Ned specialist workshop.

VehicleDisplay messagesPossible causes/consequences and P Solutions*The driver\bs display is inoperative due to a failed so"sware update.
The display message will be shown every time the engine is started.&WARNING Risk of accident if the driver display fails
If the driver display has failed or is malfunctioning, function restrictions in systems relevant to safety cannot be
detected.
The operating safety of your vehicle may be impaired.
Drive on carefully.Have the vehicle checked immediately at a quali"Ned specialist workshop.If the operating safety of your vehicle is impaired, park the vehicle immediately and safely. Contact a quali"Ned special-
ist workshop.
Plug-in hybrid:
&WARNING Risk of accident due to failure of the driver display
In the event that the driver display fails or malfunctions, you will not recognize function restrictions a"Mecting sys-
tems relevant to safety. This may impair operating safety.
Park the vehicle safely as soon as possible and notify a quali"Ned specialist workshop.510Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P SolutionsIf the driver\bs display fails, you may not recognize function restrictions a"Mecting systems relevant to safety or the
speed display, for example. The operating safety of the vehicle may be impaired (  page 360).Have the vehicle checked by a quali"Ned specialist workshop immediately.
r
Vehicle Ready to Drive
Switch the Ignition Off
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 o"M the 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).Head-up Display Currently
Unavailable See Operator's
Manual*The head-up display is temporarily unavailable. Possible causes:
= Malfunctions in the power supply
= Signal interferenceStop in accordance with the tra"Pc conditions and switch the vehicle o"M and on again.If the display message still appears, consult a quali"Ned specialist workshop.Head-up Display Inopera-
tive*The head-up display has an internal error.Consult a quali"Ned specialist workshop.Display messages and warning/indicator lamps511

Display messagesPossible causes/consequences and P SolutionsHead-up Display Bright-
ness Currently Reduced
See Operator's Manual*The brightness of the head-up display is reduced. Possible causes:
= Dirt on the windshield in the camera\bs "Neld of vision
= Faulty exterior brightness signalsSwitch on the windshield wipers.Clean the windshield if necessary.Switch the vehicle o"M and switch it back onIf the display message still appears, consult a quali"Ned specialist workshop.
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Steering Malfunction Drive
Carefully Service Required
*A power steering malfunction has occurred. Steering characteristics may be impaired as a result.Drive on carefully.Consult a quali"Ned specialist workshop.
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Steering Malfunction
Increased Physical Effort
See Operator'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 quali"Ned specialist workshop immediately.512Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P Solutions
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Steering Malfunction Stop
Immediately See Opera-
tor's Manual
*The steering is malfunctioning. Steering capability is signi"Ncantly impaired.&WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle\bs operating safety is jeopardized.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tra"Pc conditions. Do
not continue driving under any circumstances.Consult a quali"Ned specialist workshop.
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Rear Axle Steering Cur-
rently Malfunctioning
*The rear axle steering is temporarily unavailable. The turning radius may become wider.Stop the vehicle in accordance with the tra"Pc conditions and restart the vehicle.
If the display message does not disappear:
Drive on carefully.Consult a quali"Ned specialist workshop.
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Rear Axle Steering Malfunc-
tion Service Required
*The rear axle steering is malfunctioning.
The rear 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 quali"Ned specialist workshop immediately.Display messages and warning/indicator lamps513

Display messagesPossible causes/consequences and P Solutions
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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 considerably when you drive in a straight line.
Depending on the steering wheel\bs tilted position, the steering wheel will also vibrate and a continuous warning tone will sound.&WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle\bs operating safety is jeopardized.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tra"Pc conditions. Do
not continue driving under any circumstances.Consult a quali"Ned specialist workshop.When stopping, bear the enlarged vehicle width in mind.Snow Chain Mode Maxi-
mum Speed Exceeded*The maximum permissible speed for snow chain mode has been exceeded.Drive more slowly.Ambient Lighting Warning
Support Inoperative*The ambient lighting may not provide full visual warning support.Lock the vehicle and unlock it again a"ser a few minutes.If the display message appears regularly, contact a quali"Ned specialist workshop.514Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P Solutions
Q
*At least one door is open.Close all doors.

Display messagesPossible causes/consequences and P Solutions

Display messagesPossible causes/consequences and P Solutions

Display messagesPossible causes/consequences and P SolutionsWindshield Wiper Malfunc-
tion*The windshield wiper is malfunctioning.Restart the vehicle.
If the display message still appears:
Consult a quali"Ned specialist workshop.EngineDisplay messagesPossible causes/consequences and P SolutionsTo Switch Off Vehicle
Press and Hold Start/Stop
Button for at Least 3 Sec-
onds or Press 3 Times*You have pressed the start/stop button while the vehicle is in motion.Information about switching o"M the vehicle while driving (  page 203).