MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit underbody catalytic converter (21-447) for the 2012-2016 Mercedes-Benz E350 3.5L. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth exhaust flow and a leak-resistant seal; installs with no cutting or welding and includes hardware. Federal/EPA compliant for OBDII Federally registered vehicles (not for CA).
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Hardware included |
| OEM Replacement | 204 490 83 20, 204 490 31 47 |
| Position | Underbody |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2014 | Mercedes-Benz | C300 | 4Matic |
| 2013-2014 | Mercedes-Benz | C300 | 4Matic Luxury |
| 2013-2014 | Mercedes-Benz | C300 | 4Matic Sport |
| 2012-2016 | Mercedes-Benz | E350 | 4Matic |
| 2012-2016 | Mercedes-Benz | E350 | Base |
| 2013-2015 | Mercedes-Benz | E400 | Hybrid |
| 2013-2015 | Mercedes-Benz | GLK350 | 4Matic |
| 2013-2015 | Mercedes-Benz | GLK350 | Base |
