Another pic with more engine components annotated.

W124 location of coolant temp. sensor.

Please feel free to add your inputs to the unnamed components. Thanks!

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1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE

Hey! I'm trying to replace my aux fan switch and I can't find it... google is no help and sadly this was the only picture with mention of showing a location but unfortunately it comes up with "403: forbidden" when I try and look 😭 Can someone please help me out?