Mercedes-Benz GLB Owner's Manual page 596

Display messages
Possible causes/consequences and
Switch the ignition off.
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The electric parking brake will be applied automatically.
If the electric parking brake is not to be applied, e.g. at an automatic car wash or when the vehicle is being towed,
leave the ignition switched on. This does not include having the vehicle towed with the rear axle raised.
If the electric parking brake is not applied automatically:
Switch the ignition off and switch it back on.
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Release and then apply the electric parking brake manually (
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If it is still not possible to apply the electric parking brake:
Consult a qualified specialist workshop.
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Where necessary, also secure the parked vehicle against rolling away.
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To release:
If the conditions for automatic release are fulfilled and the electric parking brake is not released automatically,
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release the electric parking brake manually (
If it is still not possible to release the electric parking brake:
Do not continue driving. Consult a qualified specialist workshop.
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Display messages and warning/indicator lamps 593
M M Solutions
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page 223).
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page 223).