Mercedes-Benz Metris Operator's Manual page 195

Open seat base (example: right-hand front seat)
Remove screws 5 from holder 6.
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Remove holder 6.
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Remove vent hose 4 from the top of the bat-
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tery.
Pull the battery out of the seat base until the
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negative terminal clamp can be released and
removed.
Disconnect the negative terminal clamp from
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negative terminal 3.
Remove the negative terminal clamp in such a
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way that the battery terminal clamp no longer
touches negative terminal 3.
Example: starter battery
Remove the battery from the seat base and
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place it on the door sill as shown. If necessary,
hold the battery by handles 9.
Remove the clamp cover of positive terminal
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8.
Remove positive terminal clamp
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tive terminal 7.
Remove positive clamp 8
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no longer touches positive terminal 7.
Li the battery out of the door sill by handles
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9.
Connecting and installing t Connecting and inst
& W W ARNING
If there is a short circuit or sparks are created,
there is a danger of hydrogen gas igniting when
you charge the battery.
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* N N O O TE TE Damage to the on-board electronics
Incorrectly connecting the battery can damage
the on-board electronics.
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The following description on connecting and instal-
ling the battery uses the example of the starter
battery in the seat base of the right-hand front
seat.
The auxiliary battery is connected and installed in
the same way as the starter battery. The auxiliary
battery is located in the seat base of the le -hand
front seat.
8 from posi-
in such a way that it
Example: starter battery
Breakdown assistance 193
alling the st he start arter batt
ARNING Risk of explosion due to the
ignition of hydrogen gas
Make sure that the POSITIVE terminal of
a connected battery does not come into
contact with vehicle parts.
Never place metal objects or tools on a
battery.
When connecting and disconnecting the
battery, always observe the sequence of
battery terminals described.
During starting assistance, always take
care to connect only battery terminals of
identical polarity.
During starting assistance, observe the
sequence described for connecting and
disconnecting the jumper cables.
Do not connect or disconnect the battery
terminals with the engine running.
due to interchanging the battery clamps
Always connect the battery as described
in the following sequence. Never reverse
the terminal clamps.
193
er battery ery