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Performance and OEM upgrades for Mercedes platforms — from daily drivers to full builds.

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  • Performance
    • M276 C43 / C450 / E43
    • M177 C63 / C63 S
    • M177 E63 / E63 S
    • AMG GT / GTS / GTR / GTC
    • M156 C63 / E63 / CLS63
    • M157 E63 S / CLS63
    • M113K E55 / CLS55 / S55
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    • M273 E550 / CLK550
    • M113 E500 / CLS500
    • M274 C300 / E300 / GLC300
  • Mercedes Ownership Essentials
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  • Contact Us For OEM Parts

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Performance Picks

Curated performance upgrades across Mercedes platforms.

  • Mercedes CLS550 and CLS400 W218 stainless steel braided brake line kit with fittings and washers

    2012-2018 Mercedes CLS550 / CLS400 W218 Stainless Steel Braided Brake Lines – Brake Line Upgrade Kit
    (1)

    2012-2018 Mercedes CLS550 / CLS400 W218 Stainless Steel Braided Brake Lines – Brake Line Upgrade Kit
    (1)

    Regular price $150.00 USD
    Regular price Sale price $150.00 USD
    Unit price /  per 
  • Mercedes-Benz AMG M278 engine with aluminum intake tubes installed – performance airflow upgrade for W212 W218 platforms

    M278 Aluminum Intake Tubes – W212 W218 E550 CLS550 Upgrade Kit

    M278 Aluminum Intake Tubes – W212 W218 E550 CLS550 Upgrade Kit

    Regular price $245.00 USD
    Regular price Sale price $245.00 USD
    Unit price /  per 
  • Close-up of T-304 stainless steel M156 long tube performance headers with midpipes, designed for Mercedes-Benz AMG vehicles, showcasing precision welds and direct-fit W204 chassis compatibility.

    M156 Long Tube Headers with Midpipes for C63 AMG E63 CLS63

    Sale

    M156 Long Tube Headers with Midpipes for C63 AMG E63 CLS63

    Regular price $1,750.00 USD
    Regular price $1,999.00 USD Sale price $1,750.00 USD
    Unit price /  per 
    Sale
  • M177 AMG OEM intake spacer kit with BMC high-flow panel filters and mounting hardware

    C63s C63 M177 OEM+ Cold Air Intake Spacer Upgrade Kit

    C63s C63 M177 OEM+ Cold Air Intake Spacer Upgrade Kit

    Regular price $349.00 USD
    Regular price Sale price $349.00 USD
    Unit price /  per 

Precision-Engineered Catless Downpipes

Performance and OEM upgrades for Mercedes platforms — from daily drivers to full builds.

  • Stainless steel downpipes set for Mercedes AMG C43 C450 and E43 with M276 engine

    2015–2023 Mercedes C43 AMG Catless Downpipes C450 / E43 / E450

    Sale

    2015–2023 Mercedes C43 AMG Catless Downpipes C450 / E43 / E450

    Regular price $549.00 USD
    Regular price $595.00 USD Sale price $549.00 USD
    Unit price /  per 
    Sale
  • Stainless steel downpipes set for Mercedes AMG C63 and C63S W205 with M177 engine

    2015–2021 Mercedes C63 AMG / C63 S W205 M177 Catless Downpipes

    Sale

    2015–2021 Mercedes C63 AMG / C63 S W205 M177 Catless Downpipes

    Regular price $595.00 USD
    Regular price $750.00 USD Sale price $595.00 USD
    Unit price /  per 
    Sale
  • Stainless steel catless downpipes for Mercedes E63 AMG E63S W213, performance exhaust upgrade by BenzUnited Parts

    2018–2022 Mercedes W213 E63 AMG / E63 S M177 Catless Downpipes

    Sale

    2018–2022 Mercedes W213 E63 AMG / E63 S M177 Catless Downpipes

    Regular price $695.00 USD
    Regular price $900.00 USD Sale price $695.00 USD
    Unit price /  per 
    Sale
  • Mercedes AMG GT M178 stainless steel downpipes set with flanges

    2016–2020 Mercedes AMG GT GTS GTR C190 R190 M178 Catless Downpipes

    Sale

    2016–2020 Mercedes AMG GT GTS GTR C190 R190 M178 Catless Downpipes

    Regular price $795.00 USD
    Regular price $895.00 USD Sale price $795.00 USD
    Unit price /  per 
    Sale

Mercedes Performance & Technical Guides

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  • Mercedes C63 AMG catless downpipes for M177 bi turbo V8

    W205 C63 & C63 S Stage 2 Guide: Catless Downpip...

    February 12, 2026

    This guide explains what Stage 2 is, what catless downpipes change in practice, and how the ECU is calibrated once exhaust restriction is reduced. For a complete breakdown of how...

    W205 C63 & C63 S Stage 2 Guide: Catless Downpip...

    February 12, 2026

    This guide explains what Stage 2 is, what catless downpipes change in practice, and how the ECU is calibrated once exhaust restriction is reduced. For a complete breakdown of how...

  • Improved Intake Airflow – Mercedes C63 AMG & C63 S (M177)

    Improved Intake Airflow – Mercedes C63 AMG & C6...

    February 11, 2026

    W205 C63 & C63 S Intake & Airflow Guide (M177) The W205 C63 / C63 S equipped with the M177 4.0L Bi-Turbo V8 responds well to intelligent airflow upgrades—but not...

    Improved Intake Airflow – Mercedes C63 AMG & C6...

    February 11, 2026

    W205 C63 & C63 S Intake & Airflow Guide (M177) The W205 C63 / C63 S equipped with the M177 4.0L Bi-Turbo V8 responds well to intelligent airflow upgrades—but not...

  • Front and auxiliary heat exchanger cooling bundle for Mercedes-AMG C63 C63 S W205 M177

    W205 C63 & C63 S Cooling & Heat Management Guid...

    February 11, 2026

    The W205 C63 / C63 S (M177 4.0L BiTurbo) makes power easily — but as boost goes up, heat becomes the limiter. If your car feels strong on the first...

    W205 C63 & C63 S Cooling & Heat Management Guid...

    February 11, 2026

    The W205 C63 / C63 S (M177 4.0L BiTurbo) makes power easily — but as boost goes up, heat becomes the limiter. If your car feels strong on the first...

  • Mercedes-AMG W205 C63 and C63 S M177 engine bay with performance upgrades including downpipes, intake system and turbo components

    W205 C63 & C63 S Performance Guide: Best Upgrad...

    February 11, 2026

      This guide focuses only on the W205 C63 / C63 S and breaks down the best upgrade path for real-world builds: what to do first, what actually matters, and how...

    W205 C63 & C63 S Performance Guide: Best Upgrad...

    February 11, 2026

      This guide focuses only on the W205 C63 / C63 S and breaks down the best upgrade path for real-world builds: what to do first, what actually matters, and how...

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BenzUnited Parts sources OEM and performance upgrades for Mercedes-Benz platforms — from daily drivers to full builds, with fast shipping and fitment support from people who know these cars inside and out.

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