I got the above code on my scanner. It says Coolant temp range performance? What do I replace? Is it the one on the thermostat housing? My 124 has had several temp sensors. By the way, the AC does not work either.

Please help!!

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Regards

Mino Erhan Dallas, TX
'97 SL500 40th A.E.
'97 S320
'01 ML320
'85 Peugeot 505 SW
'07 BMW R1200RT
'74 Suzuki GT750