Genuine Mercedes 4-Pin Relay 0025421119 – E Class, S Class, M Class, R Class – Hella 4RA007813-00

Used but solid.

Tested, working, sold by part number.

This is the genuine Mercedes 0025421119 relay—also crosses to Hella 4RA007813-00 / 4RA007813.

4-pin, 12V, rated 20A.

Fits a ton: E, S, M, R Class models.

Stock ref R415.

Clean pins, clicks strong.

Not new, but not junk either.

If you’re tracking down electrical gremlins or just need a known-good spare, this is it.

OE only, no aftermarket knockoff.

Read the part number twice.

Then buy once.