Mercedes E63 / CLS63 AMG Catless Exhaust Downpipes W212 W218 M157

🚨 PREORDER OPEN — SHIPS 10/15/2025

Preorder Price: $649 (MSRP $750). Limited stock, lock yours in now.

M157 Downpipes for Mercedes E63 (W212) / CLS63 (W218), 2012–2018. Improves flow, cuts backpressure, and unlocks a deeper AMG tone with OEM-like fitment. Expect up to +100 HP / +140 lb-ft with ECU tuning.

🔊 Hear It & See the Upside

• Real gains: +100 HP / +140 lb-ft with tune
• Sharper response: reduced backpressure & quicker spool
• AMG tone: deeper, more aggressive note
• Built right: TIG-welded 304 stainless-steel, direct bolt-on

🔧 Technical Specs

• Material: high-grade stainless steel
• Diameter: 3-inch piping
• Welds: TIG-welded
• Finish: brushed/polished (batch dependent)
• Weight savings: ~10–15 lbs vs OEM
• Install time: ~2–3 hours (professional installation recommended)

📌 Compatibility

❓ Frequently Asked Questions

Will these downpipes work on the stock tune?
Yes, they will run on a stock ECU, but pairing with tuning maximizes power and keeps CEL in check.

Will installing these trigger a check engine light?
Catless downpipes may trigger a CEL. This is resolved with O₂ spacers or an ECU tune.

When will preorders ship?
Preorders are guaranteed to ship starting October 15, 2025. Limited quantities available.

🏆 Why Buy from BenzUnited

At BenzUnited, we focus exclusively on Mercedes performance platforms, giving you expert guidance and confidence in every upgrade.

Our TIG-welded stainless downpipes come logo-branded for authenticity, ensuring durability and professional presentation under the hood.

Every set is quality-checked for fitment and backed by our dedicated support team to make installation straightforward.

We include free U.S. shipping with tracking so you know exactly when your parts will arrive.

Reserve Today — $649 (MSRP $750) | Ships 10/15/2025