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Old 11-27-2000, 01:15 PM
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Join Date: Nov 2000
Location: Alameda, CA
Posts: 45
I have premieum fuel and no appearant problems with the car. Any ideas?

Joel P. Davis
1992 500SEL 105K
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Old 11-27-2000, 01:31 PM
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Join Date: Jul 1999
Location: CT, USA
Posts: 2,699
If your car is pinging, get it to a tech immediately! Your car is equipped with knock sensors, so long before you would ever actually hear a ping the timing would be so retarded that it'd never present itself.

Knocking is typically a result of carbon buildup, which the M119 is prone to if not driven aggressively regularly. I just went thru all this with my 500E, but never once did I hear an audible ping/knock/predetonation.

Good luck!

All the best, Michael
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