500SEL (126.037) V8-5.0L (117.963) (1984)
At function selection "b", "c" and "d", the air volume can be set as required.
During "AUTOM" operation in functions "b, c and d" the blower will start in 2nd blower stage after the system has been switched on, with a delay of
approx. 10 seconds and remains constant for approx. 10 seconds (on vehicles up to 12/80 approx. 30 seconds). If required, blower switches up to 5th
blower stage.