Mercedes-Benz G-Class Owner's Manual page 167

X
Switch on the battery main switch
( Y page 87).
X
12 V on-board electrical system: start
the engine.
X
24 V on-board electrical system: start
the engine using the emergency start
facility ( Y page 163).
X
First disconnect the jump lead from the
negative terminals and then from the posi-
tive terminals. Begin with your vehicle's
battery each time.
X
Have the 12 V batteries or 24 V batteries
checked at a qualified specialist workshop.
Jump-starting using a jump-starting
socket
i To start the vehicle using jump-starting
socket ;, both vehicles must be equipped
with a jump-starting socket. A special jump
lead with plug connectors is required.
X
Start the engine of the donor vehicle and
run it at idling speed.
X
Turn cover : anti-clockwise and swing it
to the side.
X
Connect the jump-starting sockets of both
vehicles with special jump lead =. Con-
nect the donor vehicle first.
X
Switch on the battery main switch
( Y page 87).
The jump-starting socket is deactivated. You
must activate it before use.
X
To activate the jump-starting socket:
press the upper section of switch :.
The indicator lamp in switch : lights up.
X
Start the engine using the emergency start
facility ( Y page 163).
X
Detach special jump lead = from the
jump-starting sockets of both vehicles. Dis-
connect your own vehicle first.
X
Have the 24 V batteries checked at a quali-
fied specialist workshop.
Jump-starting
Z
165