Mercedes-Benz GLB 2023 Operator's Manual page 383

Display messages Possible causes/consequences and
Service Required Do Not * The transmission is malfunctioning. It is no longer possible to change the transmission position.
Shift Gears Visit Dealer
Reversing Not Possible * The transmission is malfunctioning. It is not possible to select transmission position k.
Service Required
Transmission Malfunction
* The transmission is malfunctioning. The transmission shifts to neutral i automatically.
Stop
Transmission Malfunction * The transmission is malfunctioning. The cause could be an overheated clutch or blocked gears.
Solutions
M
If transmission position h is selected, consult a qualified specialist workshop and do not change the transmission
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position.
For all other transmission positions, park the vehicle safely.
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Consult a qualified specialist workshop or breakdown service.
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Consult a qualified specialist workshop.
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Stop the vehicle immediately in accordance with the traffic conditions.
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Depress the brake pedal.
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Engage park position j.
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Consult a qualified specialist workshop.
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Let the transmission cool down.
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If the display message still appears following a restart, consult a qualified specialist workshop.
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Display messages and warning/indicator lamps 381