Do a search on this topic...someone else mentions the part being available. I wasn't aware of this until AFTER I replaced both assemblies a year apart!

And yeah, the complete window assembly (motor and regulator) went for $140 when I purchased it...the most recent swap out was in 2001...doubtful of a 100% markup in a few short years...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car