S 500 Sedan (140.051) V8-5.0L (119.980) (1996)
Expansion Block/Orifice Tube: Locations
As of 01/93 (VIN 128374)
The refrigerant injection valve (magnified) is located in the feed line to the refrigerant shutoff valve (Y67) at the front left in the wheel house below the
wheelhouse paneling.