Mercedes-Benz C 250 Coupe, Operator'S Manual

Page: 290 / 336

X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X
Open the hood (
Y
page 264).
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 jumper cable, 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 jumper cable, connecting the jumper cable to donor battery
B
first.
X
Start the engine.
X
Allow the engine to run for a few minutes before disconnecting the jumper cable.
X
First, remove the jumper cable from earth point
A
and negative terminal
?
, then from
positive terminal
;
and positive terminal
=
, each time disconnecting from the contacts
on your own vehicle first.
X
After removing the jumper cable, close cover
:
on positive terminal
;
.
X
Have the battery checked at a qualified specialist workshop, e.g. an authorized Mercedes-
Benz Center. The jump-starting procedure is not a standard operating state; therefore, have
the battery checked.
Towing and tow-starting
Important safety notes
G
WARNING
If you tow the vehicle, you must use a rigid
towing bar if:
R
the engine is not running.
R
there is a brake system malfunction.
R
there is a malfunction in the power supply
or the vehicle's electrical system.
The power assistance for the steering and the
brake force booster do not work when the
288
Towing and tow-starting
Breakdown assistance