Mercedes-Benz 2013 CLA, Owner'S Manual

Page: 310 / 352

Position number
B
identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X
Press together cover
:
of positive clamp
;
and slide it back.
X
Connect positive terminal
;
on your vehicle to positive terminal
=
of donor battery
B
using the jump lead. beginning with your own battery.
X
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal
?
of donor battery
B
to earth point
A
of your vehicle using
the jump lead, connecting the jump lead to donor battery
B
first.
X
Start the engine.
X
Before disconnecting the jump leads, let the engines run for several minutes.
X
First, remove the jump leads from earth point
A
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
:
of positive clamp
;
after removing the jump leads.
X Have the battery checked at a qualified specialist workshop.
i Jump-starting is not considered to be a normal operating condition.
i Jump-starting cables and further information regarding jump starting can be obtained at
any qualified specialist workshop.
Towing and tow-starting
Important safety notes
G
WARNING
Safety-relevant functions are restricted or not
available if:
R
the engine is not running.
R
the brake system or the power steering is
malfunctioning
R
the voltage supply or the vehicle's electrical
system is malfunctioning.
If your vehicle is towed, significantly greater
force may be required to steer the vehicle or
to brake. There is a risk of an accident.
In such circumstances, use a towing bar.
Make sure that the steering is moving freely
before towing.
G
WARNING
If the weight of the vehicle to be towed or tow-
started is greater than the permissible gross
weight of your vehicle:
R
the towing eye could detach itself
R
the vehicle/trailer combination could over-
turn.
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.
Information on your vehicle's gross vehicle
weight rating can be found on the vehicle
identification plate (
Y
page 336).
308
Towing and tow-starting
Breakdown assistance