Mercedes-Benz 2006 CL 500 Operator's Manual page 396

Warning!
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
( page 281).
The battery is located on the right side of
the trunk under the battery cover
( page 391).
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake.
Shift gear selector lever to position P.
Open the trunk.
Remove battery cover.
Remove red cover from positive
terminal 1.
G
1 Positive terminal of discharged battery
2 Negative terminal of discharged bat-
tery
3 Positive terminal of charged battery
4 Negative terminal of charged battery
Connect positive terminals 1 and 3
of the batteries with the jumper cable.
Clamp cable to charged battery 3
first.
Practical hints
Jump starting
!
Never invert the terminal connections.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminals 2 and 4
of the batteries with the jumper cable.
Clamp cable to charged battery 4
first.
Start the engine of the disabled vehi-
cle.
Now you can again turn on the electrical
consumers. Do not turn on the lights under
any circumstances.
Remove the jumper cables first from
negative terminals 2 and 4 and then
from positive terminals 1 and 3.
You can now turn on the lights.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.
395