MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit underbody catalytic converter (21-448) for the 2012-2015 Mercedes-Benz C350 3.5L (also fits C300, E350, E400, GLE350 and GLK350 — see fitment). Spun-body mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes hardware. Interchanges with OE parts 2044903247 and 2044908420 among others. Federal/EPA compliant (not for CA), OBDII.
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Hardware included |
| OEM Replacement | 2044903247, 2044908420 |
| Position | Underbody |
| Emissions | Federal/EPA compliant (not for CA) |
| Part Number | 21-448 |
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 |
| 2012-2015 | Mercedes-Benz | C350 | 4Matic |
| 2012-2015 | Mercedes-Benz | C350 | Base |
| 2012-2014 | Mercedes-Benz | C350 | Sport |
| 2012-2016 | Mercedes-Benz | E350 | 4Matic |
| 2012-2016 | Mercedes-Benz | E350 | Base |
| 2013-2015 | Mercedes-Benz | E400 | Hybrid |
| 2016 | Mercedes-Benz | GLE350 | 4Matic |
| 2016 | Mercedes-Benz | GLE350 | Base |
| 2013-2015 | Mercedes-Benz | GLK350 | 4Matic |
| 2013-2015 | Mercedes-Benz | GLK350 | Base |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
