BenzUnited Parts
Mid-Length Performance Headers for Mercedes M113K V8
Mid-Length Performance Headers for Mercedes M113K V8
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Unlock serious performance from your Mercedes V8 with these mid-length, high-flow performance headers for M113 and M113K engines. TIG-welded from stainless steel, these headers reduce backpressure, improve throttle response and help maintain strong boost while delivering the deep, aggressive exhaust note these AMG engines are known for.
Key Features
- High-Flow Design: reduces backpressure and improves exhaust flow on M113 and M113K V8 engines.
- Signature Sound: produces a deep, raw AMG growl under load.
- Includes Mid-Pipes: comes with mid-pipes (welding required for installation).
- Premium Construction: TIG-welded stainless steel for strength and long-term durability.
- Global Fitment: designed to work on both LHD and RHD vehicles.
Vehicle Compatibility
| Model | Engine | Years |
|---|---|---|
| E55 AMG (W211) | M113K 5.4L supercharged V8 | 2003–2006 |
| CLS55 AMG (W219) | M113K 5.4L supercharged V8 | 2005–2006 |
| SL55 AMG (R230) | M113K 5.4L supercharged V8 | 2003–2008 |
| CL55 AMG (W215) | M113K 5.4L supercharged V8 | 2003–2006 |
| S55 AMG (W220) | M113K 5.4L supercharged V8 | 2003–2006 |
You will likely need: O2 sensor extension harness
Headers relocate the rear (post-cat) oxygen sensors away from the factory harness. Our 24″ O2 sensor extension harness covers the gap with no cutting or splicing. Mercedes V8s need two. Far cheaper to add now than to put the car back on the lift.
Why Upgrade?
These mid-length headers are designed to improve exhaust flow on the M113 and M113K platform. The result is sharper throttle response, better exhaust scavenging under load and a more aggressive exhaust note.
Off road use only. Not legal for use on emissions-controlled vehicles or public roads.
Professional installation required. Ships within 1–2 business days.
