Increase of +26 Horsepower, and +40 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Increase of +41 Horsepower, and +55 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+221 HP & + 219 TQ, For Vehicles with High-Flow Exhausts. Makes 672 Horsepower (WHP), and 662 Torque (ft-lb)!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 650cc Fuel Injectors Included!
+309 HP, and +240lb-ft TQ. 100% Bolt-on installation / Upgrade. Makes 765 Horsepower, and 683lb-ft of Torque! You are required to ship Weistec your OE turbochargers as a core.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply You are required to ship Weistec your OE turbochargers as a core.
Designed for High RPM and Racing, Direct Replacement for M156 and standard M159 Valve Buckets
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+221 HP & + 219 TQ, For Vehicles with High-Flow Exhausts. Makes 672 Horsepower (WHP), and 662 Torque (ft-lb)!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+289 HP & + 187 TQ, For Vehicles With High-Flow Exhaust, Colder Spark Plugs, ROW Airbox Set, and Secondary Air Injection Delete. Makes 740+ Horsepower (WHP), and 630 Torque (ft-lb)!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Takes you from stock 617 Horsepower, up to 1073 Horsepower, and from stock 575lb-ft Torque, up to 953lb-ft Torque! For an increase of +456 Horsepower, and +378 lb-ft of Torque!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 650cc Fuel Injectors Included!
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
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Mercedes Benz
