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Old 10-18-2000, 08:51 AM
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I went to the autostore and bought 6 of these for the 300 and they said this is what is recommended (Made in Germany) for around $1.50 each.

If this is not good, then what type of plugs are recommended?

'89 420 SEL
'90 300 SEL
'68 Olds 88 Convertible
'84 300 SD (sold it)
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Old 10-18-2000, 09:50 AM
yal's Avatar
yal yal is offline
Join Date: Oct 1999
Location: New York, Long Island
Posts: 2,705
Do a search we have talked about this a lot. Go copper for anything before 92-93. Why? Because the smaller spark just can not be handled by the 102 and 103 engines.

88 230E (W124)
smoke/red tailights
98 e420 sport replicas
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Old 10-18-2000, 11:21 AM
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Join Date: Jul 1999
Location: CT, USA
Posts: 2,699
There has also been talk of Platinum plugs degrading and leaving chunks of platinum floating around. My buddy sells Benzes and had a client who had to spring for a new motor....MBZ wouldn't pick up the tab because he'd installed Platinum plugs.

Just a word of caution...

All the best, Michael
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Old 11-26-2000, 09:25 PM
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Join Date: Oct 2000
Location: Orlando, FL, USA
Posts: 149
If platinum plugs are no good due to the size of the spark, are "spit Fire" or similar split electrode prugs better than regular copper plugs?

Just curious on peoples thoughts.



90' 300CE
80' 300D
80' 300SD
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