Mercedes-Benz GLB 2023 Operator's Manual page 313

Towing with a raised axle: towing should be per-
formed by a towing company.
Towing the vehicle with both axles on the ground
Observe the notes on the permitted towing
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methods.
Make sure that the battery is connected and
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charged.
Observe the following points when the battery is
discharged:
the vehicle cannot be started.
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the electric parking brake cannot be released
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or applied
Vehicles with automatic transmission: the
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transmission cannot be shifted to position i
or j.
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Vehicles with automatic transmission: if the
transmission cannot be shifted to position i
or if the display does not show anything,
transport the vehicle ( page 312). A towing
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vehicle with lifting equipment is required for
vehicle transportation.
* NOTE Damage due to towing away at
excessively high speeds or over long dis-
tances
The drivetrain could be damaged when towing
at excessively high speeds or over long distan-
ces.
A towing speed of 30 mph (50 km/h)
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must not be exceeded.
A towing distance of 30 miles (50 km)
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must not be exceeded.
& WARNING Risk of accident when towing a
vehicle which is too heavy
If the vehicle to be tow-started or towed away
is heavier than the permissible gross mass of
your vehicle, the following situations can
occur:
The towing eye may become detached.
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The vehicle/trailer combination may
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swerve or rollover.
Before tow-starting or towing away,
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check if the vehicle to be tow-started or
Breakdown assistance 311
towed away exceeds the permissible
gross mass.
If a vehicle has to be tow-started or towed away,
its permissible gross mass must not exceed the
permissible gross mass of the towing vehicle.
Information on the permissible gross mass of
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the vehicle can be found on the vehicle identi-
fication plate ( page 352).
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Vehicles with automatic transmission: do not
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open the driver's door or front passenger
door; the transmission otherwise automati-
cally shifts to position j.
Install the towing eye ( page 313).
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Fasten the towing device.
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* NOTE Damage due to incorrect connec-
tion of the tow bar
Only connect the tow rope or tow bar to
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the towing eyes.
Deactivate the automatic locking mechanism .
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Do not activate the HOLD function.
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