300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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Removing The Air Ducts And Mounting Hardware
11. Pull the left and right air ducts (6 and 7) off of the heater and air conditioner box.
12. Remove the cross member (10) and brace (11).
13. Remove the mount (13).
14. Remove the steering wheel lock:
a. Loosen the screw (a)
b. Turn the ignition key to position 1
c. Press in retainer (arrow)
d. Pull out the steering wheel lock
15. Remove the connector for the heater core temperature sensor (B10/1) and the lead for the evaporator temperature sensor (B10/6).
16. Remove the vacuum lines, 2-lead connector, and the switch-over valve (Y13/1).
17. Remove the left and right air ducts for the side nozzles.
18. Remove the 4 mount nuts (15), remove the outside temperature sensor (B10/5), and pull the heater and A/C box downward and out.
INSTALLATION:
