blower speed relay / control unit / regulator for various Mercedes models including w123, w126, and r107.Tested and works!
Bosch part # 1147328026
230E 230TE 230CE
280E 280CE 280TE
380SE 380SEC 380SEL
500SEC 500SEL
560SEL 560SL
380SL
420SL 420SEL 420SEC
300SDL 350SDL
300SE 300SEL
240d 240TD
300D 300CD 300TD
300SD
MB3832 A122