Mercedes-Benz 350 SDL TURBO 1991 Owner's Manual page 24

^ N orm al setting - Cooling
^ E conom y setting - V entilation
Norm al setting - Heating
E conom y setting - Heating
22
F un ctio n Setting
^ N orm al setting
The system a u to m a tica lly cools o r heats de pe nd ing on
the outside te m p e ra tu re and the selected interior te m ­
perature.
• In the cooling m ode, air is directed o n ly to the
ad ju sta b le air outlets (7), (8) and (9).
• In the heating m ode, w arm air is prim arily directed to
the fo o t area and ad d itio n a lly to the d u cts in the front
doors.
In the heating m ode, air w ill also be pe rio dica lly
em itted from the ad ju sta ble air ou tlets (7).
Enough air is supplied to the w indsh ie ld and to the
side w indo w s to keep the glass free of fog in norm al
w e a th e r conditions.
A t low ou tside tem p e ra tu re s, fan operation does not
start until the en gine co o la n t has w a rm ed up.
' ^ j EC (E C O N O M Y ) = E conom ical setting
T he fun ction of th is setting co rre sp o n d s to the "N o rm al"
setting, how ever, be cau se the air con ditioning c om p res­
so r w ill not e n ga ge (fuel savings), it is not po ssib le to air
con dition in this setting.