Just wondering what this part is on my W124 1989 230E 8v.
It is located behind the brake booster.

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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.

It is a blower resister. Most 124 cars use electronic current controls. it's possible that you car might not. If not it would be the reduced speed resistor for the auxilary fan (in front of the radiator).

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

It is definately the blower resistor. Both my 4-cylinder 124s without aircon have it. Not many have the electronic climate control in UK, not even sure if it was available on 4-cyl models.

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Mick J
'08 Chrysler 300CRD (MB OM 642 engine)
'95 E220 estate
'89 230TE (R.I.P.)

my 190E has this, and it has a/c, how does this function exactly?

xp

think of it as a rheostat for the blower motor.