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Old 05-30-2002, 12:38 PM
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pmizell pmizell is offline
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838

Yes, the coolant temp sensor is located on the head (two pole blue), second from the rear on your '91 300E. If you have a multimeter with a resistance function you can test it before replacing it. ($31)


'91 300E, 212K miles
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