S 550

RENNtech ECU Upgrade for S 550 (W221- 402 HP / 405 LB-FT)

RENNtech ECU Upgrade for 221 - S 550. Up to 402HP and 405 LB-FT. Gains: +20HP & 14 LB-FT

Retail price without tax: $1,495.00

RENNtech Stainless Steel Exhaust Headers for M273 Engines (216-CL / 221-S). Gaines: +11HP & 20TQ

Retail price without tax: $4,480.00

R1 Performance Package for 221 - S 550. Includes ECU Upgrade and Stainless Steel Header. Up to 413HP and 422 LB-FT. Gains: +31HP & +31 LB-FT

Retail price without tax: $5,290.00

Retail price without tax: $1,395.00

RENNtech Transmission Upgrade for 722.9 Mercedes Seven Speed Transmissions.

Retail price without tax: $3,690.00

Tool to install RENNtech rear camber bushings on Mercedes Benz vehicles

Retail price without tax: $1,195.00

Tool to install RENNtech rear camber bushings on Mercedes Benz vehicles

Retail price without tax: $200.00

RENNtech Performance Brake Package I

Retail price without tax: $895.00

RENNtech Performance Brake Package IV

Retail price without tax: $7,995.00

Retail price without tax: $4,995.00