Thread: 1997 E300 OBDII Diagnostic Port Location
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  #4  
Old 05-23-2019, 12:49 AM
dieselworks dieselworks is offline
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Join Date: Jan 2013
Location: Pueblo, CO
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By the left knee under the dash. There's a cover over the port and could easily be overlooked.
I think the location is in owners manual. Try that.
Roddy

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