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Performance upgrades and OEM solutions for Mercedes

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    • M113 E500 / CLS500
    • M113K E55 / CLS55 / S55
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    • M157 E63 S / CLS63 / S63
    • M177 C63 / C63 S
    • M177 E63 / E63 S
    • M178 AMG GT / GTS / GTR
    • M270 CLA250 / GLA250
    • M271 C250 / SLK250
    • M273 E550 / CLK550
    • M274 C300 / E300
    • M276 C43 / E43 / E450
    • M278 E550 / CL550 / S550
  • Mercedes Ownership Essentials
    • Gas Caps
    • Dipsticks
    • Interior Button Repair Kits
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  • Performance
    • M113 E500 / CLS500
    • M113K E55 / CLS55 / S55
    • M156 C63 / E63 / CLS63
    • M157 E63 S / CLS63 / S63
    • M177 C63 / C63 S
    • M177 E63 / E63 S
    • M178 AMG GT / GTS / GTR
    • M270 CLA250 / GLA250
    • M271 C250 / SLK250
    • M273 E550 / CLK550
    • M274 C300 / E300
    • M276 C43 / E43 / E450
    • M278 E550 / CL550 / S550
  • Mercedes Ownership Essentials
    • Gas Caps
    • Dipsticks
    • Interior Button Repair Kits
    • Touch-Up Paint
    • Carbon Style Trim
  • OEM Parts

Country/region

  • Canada USD $
  • United States USD $
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Precision-Engineered Catless Downpipes

Reduce Restriction, Increase Horsepower, Improve Response.

  • Stainless steel catless downpipes for Mercedes E63 AMG E63S W213, performance exhaust upgrade by BenzUnited Parts

    Catless Downpipes for W213 Mercedes E63 AMG / E63 S M177 2017–2020

    Sale

    Catless Downpipes for W213 Mercedes E63 AMG / E63 S M177 2017–2020

    Regular price $649.00 USD
    Regular price $850.00 USD Sale price $649.00 USD
    Unit price /  per 
    Sale
  • Catless stainless steel downpipes for Mercedes-Benz S63 AMG W222 with M157 engine

    Catless Downpipes for Mercedes W222 C217 S550 - M278 4.7L V8 BiTurbo (2011–2017)

    Catless Downpipes for Mercedes W222 C217 S550 - M278 4.7L V8 BiTurbo (2011–2017)

    Regular price $849.00 USD
    Regular price Sale price $849.00 USD
    Unit price /  per 
  • 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

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

    Sale

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

    Regular price $595.00 USD
    Regular price $799.00 USD Sale price $595.00 USD
    Unit price /  per 
    Sale
  • Catless stainless steel downpipe for Mercedes-AMG CLA45 and GLA45 with M133 engine

    M133 Catless Downpipe for Mercedes CLA45 / GLA45 AMG (2014–2019)

    Sale

    M133 Catless Downpipe for Mercedes CLA45 / GLA45 AMG (2014–2019)

    Regular price $495.00 USD
    Regular price $699.00 USD Sale price $495.00 USD
    Unit price /  per 
    Sale

Performance Picks

Name the platform, we've got it.

  • Mercedes-Benz M113K ECU Tuning for E55, CLS55, SL55, S55, and G55 AMG

    M113K ECU Tuning – E55 AMG CLS55 SL55 S55 V8 Kompressor Upgrade

    M113K ECU Tuning – E55 AMG CLS55 SL55 S55 V8 Kompressor Upgrade

    Regular price $849.00 USD
    Regular price Sale price $849.00 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
  • M157 K&N Performance Air Filters + Airbox Spacer Kit

    M157 K&N Performance Air Filters + Airbox Spacer Kit

    M157 K&N Performance Air Filters + Airbox Spacer Kit

    Regular price $185.00 USD
    Regular price Sale price $185.00 USD
    Unit price /  per 
  • Mercedes W205 C63 C63S auxiliary heat exchanger with premium carbon fiber air baffle and mounting bracket

    Auxiliary Heat Exchanger + Carbon Fiber Air Baffle for Mercedes C63 AMG / C63 S (W205 · M177)

    Sale

    Auxiliary Heat Exchanger + Carbon Fiber Air Baffle for Mercedes C63 AMG / C63 S (W205 · M177)

    Regular price $549.00 USD
    Regular price $600.00 USD Sale price $549.00 USD
    Unit price /  per 
    Sale

Mercedes Performance & Technical Guides

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  • 7-piece stainless steel carbon fiber style interior trim bundle for Mercedes E-Class Coupe (C207) and Cabriolet (A207) 2010-2017

    Mercedes E-Class Coupe & Cabriolet Carbon Fiber...

    June 17, 2026

    Instantly upgrade the interior of your 2010–2017 Mercedes E-Class Coupe or Convertible with premium carbon style trim bundle. Precise fitment, easy installation, and a refined OEM+ AMG Sport look. Perfectly...

    Mercedes E-Class Coupe & Cabriolet Carbon Fiber...

    June 17, 2026

    Instantly upgrade the interior of your 2010–2017 Mercedes E-Class Coupe or Convertible with premium carbon style trim bundle. Precise fitment, easy installation, and a refined OEM+ AMG Sport look. Perfectly...

  • Mercedes Parktronic Constantly Beeping or Sensors Not Working? The Complete Fix Guide (A0009055504 Replacement)

    Mercedes Parktronic Constantly Beeping or Senso...

    June 17, 2026

    That constant beeping while reversing or the annoying “Parking sensors not available” message on your Mercedes can ruin your day. You’re not alone — this is one of the most...

    Mercedes Parktronic Constantly Beeping or Senso...

    June 17, 2026

    That constant beeping while reversing or the annoying “Parking sensors not available” message on your Mercedes can ruin your day. You’re not alone — this is one of the most...

  • Mercedes Check Engine Light EVAP Leak or Loose Gas Cap Warning? Fix It Cheap & Fast

    Mercedes Check Engine Light EVAP Leak or Loose ...

    April 4, 2026

    Nothing is more annoying than seeing the check engine light pop on — especially when it comes with a “loose gas cap” message or an EVAP code (P0455, P0456, or...

    Mercedes Check Engine Light EVAP Leak or Loose ...

    April 4, 2026

    Nothing is more annoying than seeing the check engine light pop on — especially when it comes with a “loose gas cap” message or an EVAP code (P0455, P0456, or...

  • Mercedes Interior Button Repair Kits – Steering Wheel, Window & Console

    Mercedes Interior Button Repair Kits – Steering...

    February 21, 2026

    Mercedes Interior Button Repair Kits – Steering Wheel, Window & Console Mercedes Interior Button Repair Solutions Faded, sticky, or peeling interior buttons are a common Mercedes issue. From steering wheel...

    1 comment

    Mercedes Interior Button Repair Kits – Steering...

    February 21, 2026

    Mercedes Interior Button Repair Kits – Steering Wheel, Window & Console Mercedes Interior Button Repair Solutions Faded, sticky, or peeling interior buttons are a common Mercedes issue. From steering wheel...

    1 comment
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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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