Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 528

526 Display messages and warning/indicator lamps
Display messages
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Rear axle steering Malfunc-
tion Visit workshop
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Rear axle steering Malfunc-
tion Stop immediately
Possible causes/consequences and
* 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.
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Consult a qualified specialist workshop immediately.
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* The rear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may tilt considerably when you drive in a straight line.
Depending on the steering wheel's tilting 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's operating safety is jeopardised.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do
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not continue driving under any circumstances.
Consult a qualified specialist workshop.
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When stopping, bear the enlarged vehicle width in mind.
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Solutions
M
P223 0288 02