Mercedes-Benz 2013 C-Class Coupe, Owner'S Manual

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Only use jump leads that have a sufficient cross-section and insulated terminal clamps.
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If the battery is fully discharged, leave the battery that is being used to jump-start connected
for a few minutes before attempting to start. This charges the empty battery a little.
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Make sure that the two vehicles do not touch.
Make sure that:
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the jump leads are not damaged.
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bare parts of the terminal clamp do not come into contact with other metal parts while the
jump leads are connected to the battery.
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the jump leads cannot come into contact with parts such as the V-belt pulley or the fan.
These parts move when the engine is started and while it is running.
X
Firmly depress the parking brake.
X
M anual transmission: depress the clutch pedal fully and shift to neutral.
X
Automatic transmission: move the selector lever to P.
X
Switch off all electrical consumers, e.g. rear window heating, lighting etc.
X
Open the bonnet.
Position number
B
identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X
Slide cover
:
of positive terminal
;
in the direction of the arrow.
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.
Jump-starting
339
Breakdown assistance
Z