Thread: 1997 s320 cranks, won't start. Fuel pump relay?
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Old 09-26-2017, 07:10 AM
Ferdman Ferdman is offline
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Join Date: Aug 2002
Location: Southeastern PA
Posts: 3,077
Lee, glad to hear you resolved the starting problem with your 1997 S320. The Owner's Manual provides instructions to replace the round battery in the key. I replaced the battery in both keys for our 1998 E320 for the first time in the past 6 months.
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