Mercedes-Benz 500 SEC Operator's Manual page 110

Important!
5. Start engine of the vehicle with
the charged battery and run at
high idle. Then start engine of
the disabled vehicle in the
usual manner.
6. After the engine has started,
remove jumper cables by
exactly reversing the above
installation sequence, starting
with the last connection made
first. When removing each
clamp, make sure that it does
not touch any other metal while
the other end is still attached.
Warning!
Never lean over batteries while
connecting or jump starting,
you might get injured.
Battery fluid contains sulfuric acid.
Do not allow this fluid to come in
contact with eyes, skin or clothing. In
case it does, immediately flush
affected area with water, and seek
medical help.
A battery will also produce hydrogen
gas, which is flammable and very
explosive. Keep flames or sparks
away from battery, avoid improper
connection of jumper cables,
smoking etc..
Important!
A discharged battery can freeze at
approx. + 14°F (-10°C). In that case, it
must be thawed out before jumper
cables are used.
Jumper cable specifications:
• Minimum cable cross-section of
2
25 mm or approx. 2 AWG
• Maximum length of 11.5 ft.
(3.5 m).
110