Products – Page 8 – BenzUnited Parts

Mercedes-Benz Parts, Performance, & Tuning

CLK550 E550 CLS550 SL550 Mid-length Performance Headers M273 V8 NA

Sale

CLK550 E550 CLS550 SL550 Mid-length Performance Headers M273 V8 NA

Regular price $795.00 USD

Regular price ~~$1,000.00 USD~~ Sale price $795.00 USD
Unit price per

Sale
Clutch Delete Supercharger Pulley for M112k

Clutch Delete Supercharger Pulley for M112k

Regular price $300.00 USD

Regular price Sale price $300.00 USD
Unit price per
Clutch Delete Supercharger Pulley for Mercedes AMG M113K

Clutch Delete Supercharger Pulley for Mercedes AMG M113K

Regular price $300.00 USD

Regular price Sale price $300.00 USD
Unit price per
Clutched Supercharger Pulley for C32 AMG SLK32 AMG Crossfire SRT M112k

Clutched Supercharger Pulley for C32 AMG SLK32 AMG Crossfire SRT M112k

Regular price From $500.00 USD

Regular price Sale price From $500.00 USD
Unit price per
Cooling Upgrade Bundle – C63 / C63S AMG (M177)

Cooling Upgrade Bundle – C63 / C63S AMG (M177)

Regular price $1,050.00 USD

Regular price Sale price $1,050.00 USD
Unit price per
Custom ECU Tune for M112 V6 – C320 E320 CLK320 SLK320 S350 Gains

Custom ECU Tune for M112 V6 – C320 E320 CLK320 SLK320 S350 Gains

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

Sale

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

Contact for Quote

Sale
Custom ECU Tune for Mercedes C63 / C63S AMG (M177)

Sale

Custom ECU Tune for Mercedes C63 / C63S AMG (M177)

Contact for Quote

Sale
Custom ECU Tuning for M157 5.5L AMG V8 BiTurbo E63 CLS63 S63 CL63 ML63

Custom ECU Tuning for M157 5.5L AMG V8 BiTurbo E63 CLS63 S63 CL63 ML63

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Custom ECU Tuning for M278 4.7L V8 BiTurbo E550 CLS550 S550 CL550 ML550

Sale

Custom ECU Tuning for M278 4.7L V8 BiTurbo E550 CLS550 S550 CL550 ML550

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Sale
E55 AMG CLS55 High-Performance Fuel Injectors 630cc – Upgrade for M113K V8

Sale

E55 AMG CLS55 High-Performance Fuel Injectors 630cc – Upgrade for M113K V8

Regular price $340.00 USD

Regular price ~~$370.00 USD~~ Sale price $340.00 USD
Unit price per

Sale
E85 Flex-Fuel Conversion Kit

E85 Flex-Fuel Conversion Kit

Regular price From $749.00 USD

Regular price Sale price From $749.00 USD
Unit price per
ECU Tune for Mercedes E63 / E63S AMG (W213) – M177 4.0L V8

ECU Tune for Mercedes E63 / E63S AMG (W213) – M177 4.0L V8

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ECU Tuning for Mercedes M112 E37 3.7L V6 – ML350, S350, SL350

ECU Tuning for Mercedes M112 E37 3.7L V6 – ML350, S350, SL350

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Engine Oil Filler Cap for Mercedes – Replacement for 0000100301

Engine Oil Filler Cap for Mercedes – Replacement for 0000100301

Regular price $13.99 USD

Regular price Sale price $13.99 USD
Unit price per
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

BenzUnited Parts can source any OEM part for any car — no guesswork, no runaround. Whether you're replacing factory components or chasing more power, we’ve got the parts and the know-how to get it done right.

We offer a focused lineup of high-performance upgrades for Mercedes-Benz — including AMG downpipes, ECU tuning, rare interior trim, and forged wheels. If it improves the drive, we stock it.

Backed by deep community connections and real-world experience, we’re more than just a parts store. Expect fast shipping, fitment support, and guidance from people who actually know these cars inside and out.