Mercedes Left Side Mirror Wiring Harness – 15-Pin Heated & Foldable – Fits W117 W156 W212 – OEM 20444159

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Description

Okay, so if you've got a Mercedes and your driver's side mirror isn't folding, the blinker's dead, or the heating's not working – it's almost always that wiring harness.

Mercedes W212 Engine Wiring Harness Cable Loom A6511500186

This 15-pin harness is a direct OEM-style replacement for the W117 (CLA), W156 (GLA), and W212 (E-Class) models.

ORIGINAL MERCEDES W176 W117 Exterior Mirror Wiring Harness Cable Loom 2044.4145 $110.56 - CA

It's the left side, so driver's side for most markets.
This thing packs all the functions – heated mirror, folding mechanism, puddle light, and the turn signal blinker all in one plug.

Original Mercedes W117 W156 W212 Kabelbaum 20 Pin Außenspiegel Seitenspiegel EC

No cutting or splicing – just unplug the old brittle one and plug this in.

Mercedes Wiring Harness for Auto-Dimming Interior Mirror

It's a genuine Mercedes part, so the fit and quality is exactly what you'd expect from the factory.
Part number is 20444159, and it's brand new – not some used junk with broken clips.

Exterior Mirror Wiring Harness - Right - Cayenne | 2015-2018 | Sierra

The pins are all intact and the wire insulation is flexible, so it won't crack in cold weather.
Installation is a bit of a door panel pull, but once you're in there, it's a 5-minute swap.

0025458226 - Left exterior mirror wiring connector | 1693

Fixes all those annoying mirror gremlins that make your car feel older than it is.

Orig Mercedes W117 W176 Exterior Mirror Wiring El Anklappbar

If your mirror's acting up on the left side, this is your fix – no question.
Make sure you've got the 15-pin version – count before ordering, 'cause there are different pin counts for different options.

Mercedes W117 W156 W176 W204 W207 W212 Real Carbon Fiber Side Mirror Cover 1161880862