550cc Fuel Injectors M113K 03-11 Mercedes E55 AMG CLS55 CL55 S55 SL55

550cc Fuel Injectors for Mercedes M113K AMG (E55, CLS55, CL55, S55, SL55)

Upgrade your Mercedes-AMG’s fueling system with our high-flow 550cc fuel injectors, engineered for M113K supercharged engines. Perfect for builds running a smaller supercharger pulley or custom tuning, these injectors deliver about 30% more flow than stock—keeping air-fuel ratios safe and consistent under boost.

Why Choose These Injectors?

These direct-fit injectors are built to handle the fueling demands of supercharged and tuned AMG V8s. Whether upgrading your E55, CLS55, SL55, S55, or CL55 AMG, they provide the fueling headroom needed for reliable power gains and smooth, consistent performance.

Key Features

• Flow rate: 550cc/min @ 3 bar—around 30% higher than OEM
• Fits M113K AMG engines (2003–2006)
• Includes adapter harnesses for plug-and-play install
• Supports supercharged and tuned AMG performance builds
• Enhanced spray pattern for smoother idle and stronger throttle response

Vehicle Fitment

• Mercedes-Benz E55 AMG (2003–2006)
• Mercedes-Benz CLS55 AMG (2005–2006)
• Mercedes-Benz CL55 AMG (2003–2006)
• Mercedes-Benz S55 AMG (2003–2006)
• Mercedes-Benz SL55 AMG (2003–2006)

Technical Specifications

Frequently Asked Questions

Do I need tuning after installing 550cc injectors?

Yes. A custom tune or ECU calibration is required to ensure safe air-fuel ratios and to unlock the full benefits of the 550cc injectors on your M113K AMG.

Are these injectors compatible with E85 fuel?

Yes, they are E85 compatible with proper tuning. Many E55 and SL55 AMG owners use them successfully for extra power and cooling advantages.

Will these fit my AMG without modifications?

Yes. These injectors are direct-fit for M113K AMG engines (2003–2006) and include adapter harnesses for a true plug-and-play installation.

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