The fans are bolted to the condenser coils from the sides. To get them off you have to remove the condenser. To do that the radiator has to come out.

My late W126 has a pressure, not temp switch for the aux fans.

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.