X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X
Open the bonnet (
Y
page 318).
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
Allow the engine to run for a few minutes before disconnecting the jump lead.
X
First, remove the jump lead 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 jump lead, close cover
:
on positive terminal
;
.
X
Have the battery checked at a qualified specialist workshop, e.g. a Mercedes-Benz Service
Centre. The jump-starting procedure is not a standard operating state; therefore, have the
battery checked.
Towing and tow-starting
Important safety notes
Observe the legal requirements for the rele-
vant countries when towing.
G
WARNING
If you tow the vehicle, you must use a rigid
towing bar if:
Towing and tow-starting
349
Breakd
own
assis
ta
nce
Z
