Mercedes-Benz 300 SL, Operator'S Manual

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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
reversing the above installation
sequence exactly, starting with
the jumper cable connected to
a heavy metal bracket in the
disabled vehicle's engine
compartment. When removing each
clamp, make sure that it does not
touch any other metal while the
other end is still attached.
Important!
A discharged battery can freeze at
approx. -10°C (+ 14°F). In that case,
it must be thawed out before jumper
cables are used.
Jumper cable specifications:
• Minimum cable cross-section of 25
mm
2
or approx. 2 AWG
• Maximum length of 3.5 m (11.5ft).
Warning!
Never lean over batteries while
connecting or jump starting, you
might get injured.
Battery fluid contains sulfurie 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..