Product Description

RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!

Our package 3 includes everything found in our performance package 2 plus our 100% locking limited slip differential to improve handling and traction in addition to our transmission performance upgrade.

This fierce combination will unleash the true potential of your 63 AMG and ensure you put all your new found power to the ground!

Performance Package 3 Includes:

• RENNtech ECU Upgrade
• Full Carbon Fiber Airbox
• 82mm Throttle Body Kit
• Stainless Steel Headers
• 100% Locking Limited Slip Differential
• Transmission Upgrade

 S 63 (W221) Stock Performance:

• 518 HP @ 6800 RPM; 465 LB-FT @ 5200 RPM

 Modified Performance:

• 578 HP @ 6800 RPM; 523 LB-FT @ 5200 RPM

Our online store allows you to choose the best performance parts for your car. Instead of having the items delivered to your home, we can deliver direct to your local service center. You can browse products on this website. Please feel free to place an order and one of our representatives will contact you to arrange delivery and installation if requested of your new performance parts.