For posterity sake here's some MB PN#s for ASR associated items:

Idle Switch (MB PN# 140.545.01.14)
Neutral Safey Switch (MB PN# 000.545.62.06)
Throttle Actuator/Slide: 2-versions
000.141.79.25 upto engine:
970 12/52 034113
970 12/52 017117
974 12/52 007765
975 12/52 010028

000.141.94.25 from engine:
970 12/52 034114
971 12/52 017118
974 12/52 007766
975 12/52 010029

Engine Harness for FI & Cam-position:
Upto MY 1992: 124.543.95.26
From MY 1993: 124.440.20.06

:-) neil
1988 360TE AMG
1993 500E