Mercedes 722.9 Seven Speed Transmission Upgrade mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 The RENNtech performance turbo upgrade

The RENNtech performance turbo upgrade is truly the ultimate upgrade for your E63 (S) AMG Sedan and Wagon

CLASS S LONG (W 221) 350 4-matic [2 Filters Required] (HP: 272 | Year: 07 > 11)

Stock: 550 HP | 502 LB-FT

CLASS R LONG (W 251) 500 4-matic [2 Filters Required] (HP: 306 | Year: 05 > 07)

218 - CLS 63 AMG BiTurbo (MY2011-2014)

Mercedes 722.9 Seven Speed Transmission Upgrade mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 The RENNtech performance turbo upgradeRENNtech Transmission Upgrade for 722. 9 Mercedes Seven Speed Transmissions. With increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be accomplished by an internal mechanical upgrade to the transmission hardware. RENNtech