• Ceramic coated downpipes with premium flex sections on both ends for Mercedes C43 AMG, C450 AMG, E43 AMG, E400, E450 M276 3.0T – full product pair view
  • Close-up of ceramic coated downpipe with premium flex section for Mercedes C43 AMG M276 3.0T engine
  • Pair of ceramic coated downpipes with white protective covers for Mercedes C43 AMG C450 E43 M276 3.0T
  • Single ceramic coated downpipe with flex section for Mercedes E400 E450 W213 M276 engine
  • Detailed view of premium flex section and bend on ceramic coated downpipe for Mercedes C43 AMG
  • Close-up of product label on ceramic coated downpipes for Mercedes C43 AMG M276 3.0T
  • Premium flex section detail on ceramic coated downpipes for Mercedes C450 AMG and E43 AMG
  • Mercedes C43 AMG with M276 3.0L V6 Bi-Turbo ECU tune showcasing real-world performance
  • Mercedes M276 3.0L V6 Bi-Turbo engine bay with custom ECU tuning for C43 AMG, C450, E43, and GLC43
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BenzUnited Parts

Ceramic Coated M276 Downpipes – Mercedes C43 • E43 • C400 • E450

Ceramic Coated M276 Downpipes – Mercedes C43 • E43 • C400 • E450

$595.00 USD
$799.00 USD $595.00 USD
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Premium heat-shielded, high-flow catless downpipes with flex sections on both ends for the Mercedes M276 3.0T BiTurbo (W205 & W213).

Upgrade your Mercedes M276 3.0T BiTurbo with our latest ceramic coated downpipes featuring premium flex sections on both ends. Designed for maximum durability, faster turbo spool, reduced engine bay heat, and improved throttle response on C43 AMG, C450 AMG, E43 AMG, E400, and E450 models.

Key Benefits

  • Flex Sections on Both Ends — Absorb engine vibration and thermal expansion, dramatically reducing the chance of cracks or leaks while making installation easier and more reliable.
  • High-Temperature Ceramic Coating — Keeps heat inside the pipes for quicker turbo spool while significantly lowering radiant heat to protect sensors, wiring, and other components.
  • High-Flow Performance Design — Reduces backpressure at the turbo outlets for faster boost response and sharper throttle feel.
  • Refined AMG Exhaust Sound — Deeper, more aggressive tone under load with minimal drone at cruising speeds.
  • True Bolt-On Fitment — Direct replacement. No cutting or modifications required.

Vehicle Compatibility

Model Years Chassis
C43 AMG 2017–2021 W205
C450 AMG 2015–2016 W205
E43 AMG 2017–2020 W213
E400 / E450 2017–2020 W213

Direct bolt-on fitment. Professional installation recommended.

Installation & Recommended Upgrades

Simple bolt-on replacement to factory turbo outlets and mid-pipes. Average install time: 1.5–2.5 hours.

For maximum performance and to avoid check engine lights, we strongly recommend pairing these downpipes with custom ECU tuning.

Mercedes-Benz M276 3.0L V6 Bi-Turbo ECU tune showing 485 horsepower and 530 lb-ft of torque on a tuned C43 AMG with upgraded performance calibration

Shop M276 ECU Tuning Options →

Frequently Asked Questions

  • Will these throw a check engine light? Possibly without tuning. Most owners add ECU calibration to eliminate codes and fully optimize performance.
  • Why flex sections on both ends? They absorb engine movement and heat expansion, greatly improving long-term reliability and preventing cracks.
  • Is the ceramic coating worth it? Yes — it retains heat for faster spool while dramatically reducing under-hood temperatures.
  • Are these street legal? No. Intended for off-road, track, and competition use only.
  • Will they work with aftermarket exhausts? Yes — designed to work with both factory and aftermarket mid-pipes.
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Exact item shown • Proudly tested on multiple M276 vehicles • Buyer responsible for final fitment verification
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