Bi-Trust Engine Air Filter Set For Mercedes-Benz S550 (2012-2017) & SL550 (2013-2020) – Replaces 2780940004

Got a Mercedes-Benz S550, SL550, or even a Maybach S550?

This Bi-Trust air filter set is exactly what you need to keep that engine breathing clean.

It comes with two filters, one for each side, and they’re a direct replacement for the factory units.

The OEM number is 2780940004, and these fit models from 2012 up to 2020 depending on your ride.

They’re made in China from a PU and fiber mix, and installation is straightforward—just pop out the old ones and slide these in.

With a 1-year warranty and all the right specs (9.92 x 9.92 inches, 2.11 inches thick), these filters are a solid choice.

Cross-reference numbers include C3397, AF1564, and many more.

Give your Mercedes some fresh air with this affordable swap.