BenzUnited Parts
2014–2016 Mercedes E63 AMG W212 / CLS63 C218 M157 RWD Catless Downpipes
2014–2016 Mercedes E63 AMG W212 / CLS63 C218 M157 RWD Catless Downpipes
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Off-road and race use only. Not legal for street use or emissions-controlled vehicles. Intended for closed-course competition or off-road applications where permitted by law.
High-flow performance downpipes for Mercedes E63 AMG (W212) and CLS63 AMG (W218), 2012–2017. Designed to improve exhaust flow, reduce backpressure, and deliver a deeper AMG exhaust character with OEM-style fitment and drivability.
Hear It & See the Upside
- Strong performance potential: significant gains with ECU calibration (results vary)
- Sharper response: reduced exhaust restriction supports quicker turbo spool
- Refined AMG tone: deeper under load without excessive harshness
- Built correctly: TIG-welded 304 stainless steel, direct bolt-on design
Technical Specs
- Material: High-grade 304 stainless steel
- Diameter: 3-inch piping
- Welds: Back-purged TIG welding
- Finish: Brushed or polished (batch dependent)
- Weight savings: approximately 10–15 lbs vs OEM (varies by configuration)
- Install time: typically 2–3 hours (professional installation recommended)
Compatibility
| Year | Model | Engine |
|---|---|---|
| 2012–2017 | Mercedes E63 AMG (W212) | M157 V8 BiTurbo |
| 2012–2017 | Mercedes CLS63 AMG (W218) | M157 V8 BiTurbo |
Frequently Asked Questions
Will these downpipes work on the stock tune?
The vehicle may operate without calibration, but ECU tuning is recommended for best drivability and performance optimization.
Will installing these trigger a check engine light?
Check engine lights may occur when running catless downpipes without ECU calibration.
Are these street legal?
No — these components are intended for off-road or closed-course competition use only.
Why Buy from BenzUnited
We focus on Mercedes-Benz performance platforms, supporting AMG and non-AMG applications with platform-aware engineering.
Each set is quality-checked for fitment and designed for OEM-style installation points.
Fast U.S. shipping with tracking and enthusiast-level support from people who know the M157 platform.
Built for owners prioritizing fitment precision, sound quality, and long-term reliability.
