How to check if the Heater Motor (blower?) is Ok?
I can not turn on a fan from a climate control unit.

Have you check the fuse (outside the fuse box) 30amp strip fuse

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MB STARS Master Guild Technician,17 years MB tech
14 years independent shop owner

disconnect connection at fan motor and check to see if you have power. if you do, fan has probably gone south. You can rebuild but a pain to do so.

The fuse is fine.
Where should I "disconnect connection at fan motor and check to see if you have power"? How can I reach it? From under a hood or from inside?
Please, give some details. Tnx.

mine is located under the dash, passengers footwell, electrical conection is obvious.
Yours may run first to a fan or temp regulator box, in either case varrious points can be tested. If yours is different from above set up locate fan housing and look for connection there.
good luck

Check the blower fuse first -- it's in a little black snap-top box on the left shock tower, an aluminum strip with two phillips screws holding it down. Probably cracked across from flexing with heat, costs about forty cents.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!

Do I need to remove the dash to reach those wires?

Does anyone knows for sure where 260E has the blower(fan) wires and how to reach them? Can I see them if I remove a climate control unit? Does those wires have a color code?

Tnx.