Towing And Tow-Starting; Important Safety Notes - Mercedes-Benz CLA Operator's Manual

Position number B identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
Press together cover : of positive clamp ; and slide it back.
X
Connect positive terminal ; on your vehicle to positive terminal = of donor battery B
X
using the jumper cable, beginning with your own battery.
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal ? of donor battery B to ground point A of your vehicle using
X
the jumper cable, connecting the jumper cable to battery of other vehicle B first.
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 A and negative terminal ?, then from
X
positive clamp ; and positive terminal =. Begin each time at the contacts on your own
vehicle first.
Close cover : of positive terminal ; after removing the jumper cables.
X
Have the battery checked at a qualified specialist workshop.
X
i
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:
the engine is not running.
R
the brake system or the power steering is
R
malfunctioning.
there is a malfunction in the voltage supply
R
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.
Towing and tow-starting
G WARNING
If the weight of the vehicle to be towed or tow-
started is greater than the permissible gross
weight of your vehicle:
the towing eye could detach itself
R
the vehicle/trailer combination could roll-
R
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.
Information on your vehicle's gross vehicle
weight rating can be found on the vehicle
identification plate (
Y
page 346).
Z
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