I have a 1998 C230 and I have a bad code 7 Refrigerant Pressure on the climate control and I'd like to check the sensor. Where is it, and how could I
check it and/or bypass it?

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5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)

dont think you'd be able to bypass it.. AC wont work or you could fry out your compressor, Generally the pressure sensors on mercedes are on the Dryer but I dont know if they held to that tradition or not.

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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed

Mine is on the drier (old W126), but this is not something that should be bypassed. It is like a "safety" on a commercial A/C system and is crucial to system operation.

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Simon Shearer

1986 420SEL

2000 Porsche 911 Millenium Edition Carrera 4
2010 Lexus RX 350
2002 Kia Rio
2002 Hyundai Accent

W202 AC pressure sensor
MB# 1408300072


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Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
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1985 300SD
1983 300D
2003 Volvo V70

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Love that picture.

I talked with an AC guy and he said short term bypassing it should be ok. This would be just a test to isolate to the problem.