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  • Performance
    • M274 C300 / E300
    • M276 C43 / E43 / E450
    • M177 C63 / C63 S
    • M177 E63 / E63 S
    • AMG GT / GTS / GTR
    • M113 E500 / CLS500
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    • M157 E63 S / CLS63 / S63
    • M278 E550 / CL550 / S550
  • Mercedes Ownership Essentials
    • Gas Caps
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    • Interior Button Repair Kits
    • Touch-Up Paint
    • Carbon Style Trim
  • OEM Parts

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  • X-Pipe vs H-Pipe for Mercedes: Performance, Sound, Scavenging & Placement

    X-Pipe vs H-Pipe for Mercedes: Performance, Sou...

    August 17, 2025
    Blog

    X-Pipe vs H-Pipe for Mercedes: Performance, Sou...

    August 17, 2025
    Blog
  • E85 Flex-Fuel Conversion Kit

    E85 Flex-Fuel Conversion Kit

    E85 Flex-Fuel Conversion Kit

    Regular price From $950.00 USD
    Regular price Sale price From $950.00 USD
    Unit price /  per 
  • Billet aluminum throttle body adapter plate for Mercedes M156 converting 74mm to 82mm throttle bodies

    M156 Throttle Body Adapter Plate – 74mm to 82mm Billet Upgrade for AMG

    Sale

    M156 Throttle Body Adapter Plate – 74mm to 82mm Billet Upgrade for AMG

    Regular price $825.00 USD
    Regular price $1,100.00 USD Sale price $825.00 USD
    Unit price /  per 
    Sale
  • Set of 2 K&N Air Filters 33-2181 – Fits Mercedes M113 5.0 V8 E500 S500 CL500

    Set of 2 K&N Air Filters 33-2181 – Fits Mercedes M113 5.0 V8 E500 S500 CL500

    Set of 2 K&N Air Filters 33-2181 – Fits Mercedes M113 5.0 V8 E500 S500 CL500

    Regular price $119.95 USD
    Regular price Sale price $119.95 USD
    Unit price /  per 
  • Mercedes-AMG M112K supercharged V6 engine bay – C32 / SLK32 ECU tuning platform

    Mercedes C32 AMG SLK32 Performance ECU Tuning – M112K

    Mercedes C32 AMG SLK32 Performance ECU Tuning – M112K

    Regular price $700.00 USD
    Regular price Sale price $700.00 USD
    Unit price /  per 
  • Mercedes-AMG M156 6.2L naturally aspirated V8 engine bay used for ECU tuning and performance calibration

    Mercedes M156 ECU Tune (6.2L V8) – C63 AMG / E63 / CLS63

    Mercedes M156 ECU Tune (6.2L V8) – C63 AMG / E63 / CLS63

    Regular price $1,500.00 USD
    Regular price $1,500.00 USD Sale price $1,500.00 USD
    Unit price /  per 
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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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