Thread: 99 e300 intake cleaning interval question
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Old 06-01-2007, 11:46 AM
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Parrot of Doom Parrot of Doom is offline
1997 W210 E300TD 243,000
  
Join Date: Mar 2006
Location: Manchester, UK
Posts: 983
'Hardly ever' is the answer. At 170,000 miles mine had never been cleaned and yet still had 100% power.
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