Mercedes-Benz B-Class hatchback 2022 Owner's Manual page 237

234 Driving and parking
The incline must not be greater than 30%.
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Activating/deactivating the HOLD function
& WARNING Risk of an accident due to the
HOLD function being active when you
leave the vehicle
If the vehicle is only braked with the HOLD
function it could, in the following situations,
roll away:
If there is a malfunction in the system or in
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the power supply.
If the HOLD function is deactivated by
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depressing the accelerator pedal or brake
pedal, e.g. by a vehicle occupant.
Always secure the vehicle against rolling
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away before you leave it.
Requirements:
The vehicle is stationary.
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The driver's door is closed or the seat belt on
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the driver's side is fastened.
The vehicle has been started or has been
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automatically switched off by the ECO start/
stop function.
The electric parking brake is released.
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Active Distance Assist DISTRONIC is deactiva-
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ted.
The transmission is in position h, k or i.
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(Vehicles with automatic transmission)
Activating the HOLD function
Depress the brake pedal, and after a short
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time quickly depress further until the ë
display appears in the Instrument Display.
Release the brake pedal.
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Deactivating the HOLD function
Depress the accelerator pedal to pull away.
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or
Depress the brake pedal until the ë display
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disappears from the Instrument Display.
The HOLD function is deactivated in the following
situations:
Active Distance Assist DISTRONIC is activa-
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ted.
The transmission is shifted to position j.
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(Vehicles with automatic transmission)
The vehicle is secured with the electric park-
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ing brake.
In the following situations, the vehicle is held by
transmission position j and/or by the electric
parking brake:
The seat belt is unfastened and the driver's
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door is opened.
The vehicle is switched off.
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There is a system malfunction.
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The power supply is insufficient.
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Vehicles with manual transmission
Brake immediately
The message may also appear
in the Instrument Display:
Immediately depress the brake pedal firmly
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until the warning message disappears.
The HOLD function is deactivated.