Mercedes-Benz GLB Owner's Manual page 519

516 Breakdown assistance
Towing with a raised axle: towing should be
performed 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 ( page 514).
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Make sure that the battery is connected and
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charged.
Observe the following points when the battery is
discharged:
the engine 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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automatic transmission cannot be shifted to
position i or j.
% Vehicles with automatic transmission: if
the automatic transmission cannot be shif‐
ted to position i, or the multifunction dis‐
play in the instrument cluster does not show
anything, have the vehicle transported away
( page 517). A towing vehicle with lifting
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equipment is required for vehicle transporta‐
tion.
* NOTE Damage due to towing away at
excessively high speeds or over long dis‐
tances
The drivetrain could be damaged when tow‐
ing at excessively high speeds or over long
distances.
A towing speed of 50 km/h must not
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be exceeded.
A towing distance of 50 km must not be
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exceeded.
& WARNING Risk of accident when towing
a vehicle which is too heavy
If the vehicle being tow-started or towed
away is heavier than the permissible gross
mass, the following situations can occur:
the towing eye may become detached.
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the car/trailer combination may swerve
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or even overturn.
If another vehicle is tow-started or
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towed away, its weight must not exceed
the permissible gross mass of your own
vehicle.
If a vehicle must be tow-started or towed away,
its permissible gross weight must not exceed the
permissible gross weight of the towing vehicle.
Information on the permissible gross weight
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of the vehicle can be found on the vehicle
identification plate ( page 550).
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Vehicles with automatic transmission: do
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not open the driver's door or front passenger
door, otherwise the automatic transmission
automatically shifts to position j.
Fit the towing eye ( page 519).
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Fasten the tow bar.
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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.