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    • M274 C300 / E300
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  • Shorty Headers for Mercedes-Benz C32 AMG M112K Supercharged V6

    Shorty Headers for Mercedes W203 C320 C240 – M112

    Sale

    Shorty Headers for Mercedes W203 C320 C240 – M112

    Regular price $549.95 USD
    Regular price $599.95 USD Sale price $549.95 USD
    Unit price /  per 
    Sale
  • Shorty Headers for Mercedes-Benz C32 AMG M112K Supercharged V6

    Shorty Headers for Mercedes C32 AMG – M112K

    Sale

    Shorty Headers for Mercedes C32 AMG – M112K

    Regular price $595.00 USD
    Regular price $599.95 USD Sale price $595.00 USD
    Unit price /  per 
    Sale
  • M113 shorty headers for Mercedes E500 and CLS500 naturally aspirated V8

    M113 Shorty Headers – Mercedes E500 CLS500 NA V8

    Sale

    M113 Shorty Headers – Mercedes E500 CLS500 NA V8

    Regular price $575.00 USD
    Regular price $600.00 USD Sale price $575.00 USD
    Unit price /  per 
    Sale
  • High-flow stainless mid-length performance headers for Mercedes M273 V8 engines including E550, CLS550, SL550

    Mid-length Headers for Mercedes CLK550 E550 CLS550 SL550 M273 V8 NA

    Sale

    Mid-length Headers for Mercedes CLK550 E550 CLS550 SL550 M273 V8 NA

    Regular price $949.00 USD
    Regular price $1,000.00 USD Sale price $949.00 USD
    Unit price /  per 
    Sale
  • Mid-Length Headers for Mercedes C55 AMG E500 CL500 CL500 M113 V8

    Mid-Length Headers for Mercedes C55 AMG E500 CL500 CL500 M113 V8

    Sale

    Mid-Length Headers for Mercedes C55 AMG E500 CL500 CL500 M113 V8

    Regular price $795.00 USD
    Regular price $850.00 USD Sale price $795.00 USD
    Unit price /  per 
    Sale
  • Log style shorty headers for Mercedes-Benz M113K supercharged V8 engine bolt-on upgrade

    M113K Shorty Log Style Headers – Mercedes E55 AMG CLS55 V8 Kompressor

    Sale

    M113K Shorty Log Style Headers – Mercedes E55 AMG CLS55 V8 Kompressor

    Regular price $575.00 USD
    Regular price $600.00 USD Sale price $575.00 USD
    Unit price /  per 
    Sale
  • Stainless steel TIG-welded shorty headers for Mercedes M156 6.2L V8, showing 304 stainless construction, CNC flanges, and collector design for C63, E63, and CLS63 AMG performance

    Shorty Headers for C63 E63 CLS63 AMG – M156 6.2L Performance Upgrade

    Sale

    Shorty Headers for C63 E63 CLS63 AMG – M156 6.2L Performance Upgrade

    Regular price $1,395.00 USD
    Regular price $1,600.00 USD Sale price $1,395.00 USD
    Unit price /  per 
    Sale
  • 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
  • Long tube headers for Mercedes E500 and CLS500 AMG M113 engine – TIG welded stainless steel performance exhaust upgrade

    Mercedes E500 & CLS500 AMG Long Tube Headers – M113 Stainless Exhaust

    Sale

    Mercedes E500 & CLS500 AMG Long Tube Headers – M113 Stainless Exhaust

    Regular price $1,200.00 USD
    Regular price $1,375.00 USD Sale price $1,200.00 USD
    Unit price /  per 
    Sale
  • M156 long tube headers with dyno gains showing +39 whp and +34 wtq, stainless steel TIG welded design with 1.9 inch runners and 3 inch collectors

    M156 Long Tube Headers – S63 & CL63 AMG (W221 / C216) Performance Upgrade

    Sale

    M156 Long Tube Headers – S63 & CL63 AMG (W221 / C216) Performance Upgrade

    Regular price $2,250.00 USD
    Regular price $2,599.00 USD Sale price $2,250.00 USD
    Unit price /  per 
    Sale
  • Mid-Length Performance Headers for Mercedes E55 SL55 CLS55 M113K V8

    Mid-Length Performance Headers for Mercedes E55 SL55 CLS55 M113K V8

    Sale

    Mid-Length Performance Headers for Mercedes E55 SL55 CLS55 M113K V8

    Regular price $795.00 USD
    Regular price $850.00 USD Sale price $795.00 USD
    Unit price /  per 
    Sale
  • 420 Power Package M112K – Clutched Pulley + Headers + Tune for C32 SLK32 AMG

    420 Power Package M112K – Clutched Pulley + Headers + Tune for C32 SLK32 AMG

    420 Power Package M112K – Clutched Pulley + Headers + Tune for C32 SLK32 AMG

    Regular price $1,500.00 USD
    Regular price Sale price $1,500.00 USD
    Unit price /  per 
  • Naturally Aspirated Mercedes Exhaust Guide – What Works, What Doesn’t

    Naturally Aspirated Mercedes Exhaust Guide – Wh...

    July 14, 2025
    Blog

    Naturally Aspirated Mercedes Exhaust Guide – Wh...

    July 14, 2025
    Blog
  • 2.25 inch universal weld-on exhaust X-pipe, dual 2.25 to 2.25 crossover, top view

    2.25" X-Pipe for Mercedes NA – Replacement for Secondary Cats

    Sale

    2.25" X-Pipe for Mercedes NA – Replacement for Secondary Cats

    Regular price $36.99 USD
    Regular price $50.00 USD Sale price $36.99 USD
    Unit price /  per 
    Sale
  • Mercedes-AMG M113 5.4L V8 engine bay – C55 AMG with factory airbox and ECU configuration

    Mercedes C55 AMG CLK55 SLK55 M113 5.4L ECU Tuning Performance Upgrade

    Mercedes C55 AMG CLK55 SLK55 M113 5.4L ECU Tuning Performance Upgrade

    Regular price $700.00 USD
    Regular price Sale price $700.00 USD
    Unit price /  per 
  • Mercedes M113 5.0L V8 engine bay in E500 – ideal for ECU tuning and performance upgrades

    Mercedes M113 5.0L ECU Tuning – E500 CLK500 CLS500 SL500 Performance Upgrade

    Mercedes M113 5.0L ECU Tuning – E500 CLK500 CLS500 SL500 Performance Upgrade

    Regular price $700.00 USD
    Regular price Sale price $700.00 USD
    Unit price /  per 
  • 630cc Fuel Injectors C63 AMG E63 CLS63 High-Performance – Upgrade for M156 V8

    630cc Fuel Injectors C63 AMG E63 CLS63 High-Performance – Upgrade for M156 V8

    630cc Fuel Injectors C63 AMG E63 CLS63 High-Performance – Upgrade for M156 V8

    Regular price $500.00 USD
    Regular price $500.00 USD Sale price $500.00 USD
    Unit price /  per 
  • 24-inch O2 sensor extension harness for Mercedes-Benz long tube header installations

    Ensure Accurate Readings with a 24″ O2 Sensor Extension Harness

    Ensure Accurate Readings with a 24″ O2 Sensor Extension Harness

    Regular price $74.00 USD
    Regular price Sale price $74.00 USD
    Unit price /  per 
  • 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 
  • Pair of aluminum intake tubes for Mercedes-Benz 63 AMG M156 engine, showing full performance upgrade kit with couplers and adapters

    63 AMG Aluminum Intake Tubes (M156) – High-Flow Performance Upgrade

    63 AMG Aluminum Intake Tubes (M156) – High-Flow Performance Upgrade

    Regular price $300.00 USD
    Regular price $0.00 USD Sale price $300.00 USD
    Unit price /  per 
  • M156 82mm Throttle Body Upgrade – C63 E63 CLS63

    M156 82mm Throttle Body Upgrade – C63 E63 CLS63

    Sale

    M156 82mm Throttle Body Upgrade – C63 E63 CLS63

    Regular price $300.00 USD
    Regular price $350.00 USD Sale price $300.00 USD
    Unit price /  per 
    Sale
  • Set of 2 K&N Air Filters – Mercedes M273 V8 E550 CLS550 S550 CLK550

    Set of 2 K&N Air Filters – Mercedes M273 V8 E550 CLS550 S550 CLK550

    Set of 2 K&N Air Filters – Mercedes M273 V8 E550 CLS550 S550 CLK550

    Regular price $125.00 USD
    Regular price Sale price $125.00 USD
    Unit price /  per 
  • Cost-Effective Ways to Increase Horsepower and Torque for Your Mercedes

    Cost-Effective Ways to Increase Horsepower and ...

    April 27, 2025
    Blog

    Cost-Effective Ways to Increase Horsepower and ...

    April 27, 2025
    Blog
  • Custom ECU Tune for Mercedes M273 V8 – E550, CLS550, CL550, S550, SL550

    Custom ECU Tune for Mercedes M273 V8 – E550, CLS550, CL550, S550, SL550

    Sale

    Custom ECU Tune for Mercedes M273 V8 – E550, CLS550, CL550, S550, SL550

    Regular price $1,199.00 USD
    Regular price $1,200.00 USD Sale price $1,199.00 USD
    Unit price /  per 
    Sale
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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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