Mercedes-Benz 300 CD 1978 Owner's Manual page 32

A u to m a tic C lim ate C ontrol
1 Tem perature selector wheel
2 "O FF" button
3 "A U TO -LO " button
4 "A U T O -H I" button
5 "BI-LEVEL" button
30
6 "D EF" button
7 Refrigerant compressor sw itch
8 Swivelling outlets fo r cooled air
Sw ivelling outlets fo r side
ventilation
Turn right = open
Turn left = closed