Where is the evaporator and evaporator switch on a w202 and how do you change it? TIA. Michael

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Michael
Southern California/Santa Monica
1986 MB 190D 2.5, 5 Speed Black and Palomino "Mordechai"
1985 Porsche 928S (32V), 5 Speed
1980 Porsche 928 (16V), 5 Speed

Inside a box under the dash. Often a dash must be removed to change or access it.

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1990 300CE. Garage kept all its life. Looks & Runs Like New. Everything works. White w/Palomino int. Pioneer 12 CD player in the boot. 17" Enkei LX-F Chrome wheels w/Falken Azenis ST-115 225-45 tires. Tinted windows. Black sports grill w/Euro clear front lamps.

Thank you. I just purchased both the Refrigerant Pressure Switch and the Evaporator Switch from the Dealer. I am hoping just the pressure switch will get it all going.

I have a place out in the Mojave Michael

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Michael
Southern California/Santa Monica
1986 MB 190D 2.5, 5 Speed Black and Palomino "Mordechai"
1985 Porsche 928S (32V), 5 Speed
1980 Porsche 928 (16V), 5 Speed

If by "evaporator switch" you mean the temperature sensor, that's easy to change.

Changing the pressure sending unit requires that the system be reclaimed first and recharged after. If your dryer is original, you should put a new one in. If it's been replaced for other service in the past few years, you can probably get away with reusing it, if you're careful.