Both front power seats on my 1987 190E just stopped working. All seat functions stopped (forward, back, headrest and recline) at the same time for both seats.

What can I check, I don't see a fuse that's marked for the seats.

Most likely the power seat relay.. In the relay compartment in front of the fuse box....IF you pull a relay there is a 'letter" marking that location.

The seat relay is at position C.

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M.B.DOC
Thanks for your reply, I'll locate relay C this weekend and see if it's seated properly. Is there any way to check the relay or do I just buy/replace it?

Also is this an expensive relay?

chances are there is a similar relay in the box you can swap it with to test it out first.

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