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Old 08-20-2003, 09:38 AM
ctaylor738 ctaylor738 is offline
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Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,316
I suspect a worn-out airflow meter. It is a little black box on the front of the air intake. Remove the air cleaner. Pull the connector off a bit so that you can get a problem on the middle pin. Measure the voltage between it and ground with the engine idling. You should see a stable .7 volts.

If you do a search, you will find an excellent post by sbourg on the subject. I also did one on its replacement on my 300E.
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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