Mercedes-Benz CL-Class 2008 COMAND Manual - Manual (Page 710)

709
Practical hints
Jump starting
̈ Remove red cover from positive
terminal
4.
̈ Connect positive terminal 3 of the
charged battery with positive
terminal
4 of the discharged battery
with the jumper cable. Clamp cable to
charged battery
3 first.
̈ Connect negative terminal 2 of
charged battery to jumper cables and
attach other end of the jumper cable
with the negative clamp
1 to a suit-
able ground point on the vehicle.
̈ Get into vehicle and start engine within
30 seconds.
If the starting attempt does not suc-
ceed:
̈ Turn the SmartKey in starter switch
to position 0.
̈ Take out the SmartKey.
̈ Turn off engine of donor vehicle, re-
start it and let it run at idle speed
for several minutes.
̈ Disconnect the jumper cable during
this time.
̈ Reconnect jumper cable as de-
scribed before.
̈ Restart engine.
̈ While the engine is running, switch off
several electrical consumers such as
the blower.
̈ Disconnect jumper cables first nega-
tive clamp
1 from ground point and
negative terminal 2, then from posi-
tive terminals 4 and 3.
̈ Have the battery checked at the near-
est authorized Mercedes-Benz Center. ! Never invert the terminal connections.