When I turn on the ignition I can hear something working under dash on the right side of the glovebox. It also get noisy sometimes.
At hi speeds above 100 km/h I can hear noise coming like the one that comes from the open windows from around right side of the glovebox area. Can this be a loose windshield problem.
What is my car's problem. Help please.

My car is 1989 230E W124.

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1989 230E, 8v, 166.000 km, updated to 94/95 trunk & hood
2002 Daewoo Nexia 50.000 km
Sold:
1987 VW Jetta GLE 16V, Recaro seats
1982 Volvo 240 DL (lovely car!)
and few more american cars.

Sounds like the aspirator motor for the heating system. It draws air over the inside temp sensor which is by the inside rear view mirror. It is connected by a hose that runs up the windshield pillar.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician

What might happen if the motor stops working? Is the noise at hi speeds connected to this problem?

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1989 230E, 8v, 166.000 km, updated to 94/95 trunk & hood
2002 Daewoo Nexia 50.000 km
Sold:
1987 VW Jetta GLE 16V, Recaro seats
1982 Volvo 240 DL (lovely car!)
and few more american cars.

At speeds over 100KMH the aspirator motor is really tough to hear. Its a small fan (like on a computer CPU. The "something working" and the wind noise hints at a recirculating flap problem or actuator for same.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)