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Old 04-19-2003, 11:36 AM
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pmizell pmizell is offline
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
I have somewhat of a similar problem as pento

My 300E usually starts the first time when cold, will bumble and stumble for a moment then catch and rev up to about 1k during the cold start enrichment. Thing is, if I hit the pedal even the slightest bit during this time, the engine dies immediately. Strangely enough, this all goes away once engine moves past the 60c temp mark.

Fuel economy is horrible -- somewhere around 16-17 mpg and warm starts are a little more difficult (not too bad) usually taking around 5-7 seconds of cranking, where before it'd fire right up. I'll be doing some fuel testing this week when my gauge arrives but if anything immediately comes to mind to anyone please let me know.

'01 E430, Sport 72,000 mi
'98 C280, 126,500 mi
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