Thread: 420 SEL idle surge
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Old 06-16-2008, 11:07 AM
david s poole david s poole is offline
david s poole
  
Join Date: Mar 2005
Location: dallas
Posts: 1,822
try using super unleaded [which i think is specified for that engine]
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David S Poole
European Performance
Dallas, TX
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"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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