Mercedes-Benz G-Class Operator's Manual page 247

Apply the parking brake.
X
Shift the automatic transmission to position P.
X
Make sure that the ignition is switched off. All indicator lamps in the instrument cluster must be
X
off.
Switch off all electrical consumers, e.g. rear window defroster, lighting, etc.
X
Open the hood.
X
Position number B identifies the charged battery of the other vehicle or an equivalent jump-starting
device.
The jump-starting connection point consists of contacts ; and =.
Lift up 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
X
jumper cable. Always begin with positive terminal ; on your own vehicle first.
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal A of donor battery B to ground point = of your vehicle using the
X
jumper cable, connecting the jumper cable to donor battery 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 = and negative terminal A, then from pos-
X
itive 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
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.
Jump-starting
Z
245