these threads may have the data you need.

'99 e300d - air conditioning not working
http://www.peachparts.com/shopforum/showthread.php?p=1826273

S320 AC problems
http://www.peachparts.com/shopforum/showthread.php?p=2217807

AC - Climate Control Unit - Version Coding - How to? (W202 C280 1997)
http://www.peachparts.com/shopforum/showthread.php?p=1563496

1997 W210 E320 Cliamte "P values"
http://www.peachparts.com/shopforum/showthread.php?p=1194196

c280 1997 Climate Control - classic cold + hot blow
http://www.peachparts.com/shopforum/showthread.php?p=1554056





Have a great day.

__________________
ASE Master Mechanic
https://whunter.carrd.co/

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.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

https://www.boldegoist.com/