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X
Lift up panel B.
X
Slide cover A of positive terminal : in the direction of the arrow.
X
Connect positive terminal : on your vehicle to positive terminal ; of donor battery C using the
jumper cable, Always begin with positive terminal : on your own vehicle first.
X
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal = of donor battery C to ground point ? of your vehicle using the
jumper cable. beginning with donor battery C first.
X
Start the engine.
X
Before disconnecting the jumper cables, let the engine run for several minutes.
X
First, remove the jumper cables from ground point ? and negative terminal =, then from pos-
itive clamp : and positive terminal ;. Begin each time at the contacts on your own vehicle first.
X
Close cover A of positive terminal : after removing jumper cables.
X
Fold panel B shut.
X
Have the battery checked at a qualified specialist workshop.
Jump-starting is not considered to be a normal operating condition.
i
Jumper cables and further information regarding jump-starting can be obtained at any qualified
specialist workshop.
Towing and tow-starting
Important safety notes
G
WARNING
Functions relevant to safety are restricted or
no longer available if:
R
the engine is not running.
R
the brake system or the power steering is
malfunctioning.
R
there is a malfunction in the voltage supply
or the vehicle's electrical system.
If your vehicle is being towed, much more
force may be necessary to steer or brake.
There is a risk of an accident.
In such cases, use a tow bar. Before towing,
make sure that the steering moves freely.
G
WARNING
You can no longer steer the vehicle if the
steering wheel lock has been engaged. There
is a risk of an accident.
Always switch off the ignition when towing the
vehicle with a tow cable or a tow bar.
G
WARNING
When towing or tow-starting another vehicle
and its weight is greater than the permissible
gross weight of your vehicle, the:
R
the towing eye could detach itself
R
the vehicle/trailer combination could roll-
over.
There is a risk of an accident.
When towing or tow-starting another vehicle,
its weight should not be greater than the per-
missible gross weight of your vehicle.
Details on the permissible gross vehicle weight
of your vehicle can be found on the vehicle iden-
tification plate (Y page 357).
!
When Active Brake Assist, Active Distance
Assist DISTRONIC or the HOLD function is
activated, the vehicle brakes automatically in
certain situations.
To avoid damage to the vehicle, deactivate
these systems in the following or similar sit-
uations:
R
when towing the vehicle
R
in the car wash
!
Make sure that the electric parking brake is
released. If the electric parking brake is faulty,
visit a qualified specialist workshop.
324
Towing and tow-starting
Breakdown assistance
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