jump start terminals MERCEDES-BENZ R350 2006 W251 Owner's Manual

497 Practical hints
Jump starting
The jump-start contacts are located in the
engine compartment.
1Negative (-) terminal
2Positive (+) terminal 
Make sure the two vehicles do not
touch.

Turn off all electrical consumers.

Apply parking brake.

Set automatic transmission to
positionP.

Open the hood (
page 345).

Open cover of positive terminal 2.
1Negative terminal of discharged
battery
2Positive terminal of discharged battery
3Negative terminal of charged battery
4Positive terminal of charged battery

Connect positive terminals2 and 4
with the jumper cable. Clamp cable to
charged battery 4 first.

Start engine of the vehicle with the
charged battery and run at idle speed.

Connect negative terminals1 and 3
of the batteries with the jumper cable.
Clamp cable to charged battery 3
first.

Start the engine of the disabled vehi-
cle.
Warning!
G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries.
!Never invert the terminal connections!

498 Practical hintsJump startingYou can now turn on the electrical con-
sumers. Do not turn on the lights under
any circumstances.
Remove the jumper cables first from
negative terminals1 and 3 and then
from the positive terminals2 and 4.
You can now turn on the lights.

Have the battery checked at the near-
est authorized Mercedes-Benz Light
Truck Center.!Do not tow-start the vehicle.