Mercedes-Benz S-Class 2020 Owner's Manual page 389

386 Breakdown assistance
Towing the vehicle with both axles on the
ground
Observe the notes on the permitted towing
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methods ( page 385).
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Make sure that the battery is connected and
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charged.
When the battery is discharged, the following
actions cannot be performed:
the engine cannot be started
R
the electric parking brake cannot be released
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or applied
the automatic transmission cannot be shifted
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to position i or j
% If the automatic transmission cannot be shif‐
ted to position i or the driver's display in
the instrument cluster does not show any‐
thing, have the vehicle transported away
( page 387). 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 another vehicle is tow-started or towed
away, its weight must not exceed the permis‐
sible gross mass of your own vehicle, other‐
wise the following could occur:
the towing eye may become detached.
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the vehicle/trailer combination may
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swerve 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 weight 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 iden‐
tification plate ( page 489).
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Do not open the driver's door or front
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passenger door, otherwise the automatic
transmission automatically shifts to position
j.
Fit the towing eye ( page 388).
/
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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.
% Vehicles with tow bar: you can also attach
the tow bar to the trailer hitch.