Big Steel Brake Kit | SL-Class (R129) & E-Class (W124) | 372/325 mercedes-benz-cl-class--216---2007-2014--cl63-amg-esr2373882 SL 400 BiTurbo (R231 -

SL 400 BiTurbo (R231 - M276 Biturbo 4-MATIC Engine) Stock Performance:

0L V8 BiTurbo Stock Performance (at crank):

Dyno measured by RENNtech (peak):               681 HP @ 6

CPC Upgrade: The Powertrain Control Unit (CPC) upgrade increases torque limits and allows the engine to operate without the restrictions set by the stock/factory CPC unit

Big Steel Brake Kit | SL-Class (R129) & E-Class (W124) | 372/325 mercedes-benz-cl-class--216---2007-2014--cl63-amg-esr2373882 SL 400 BiTurbo (R231 -A complete big brake upgrade for the Mercedes Benz SL (R129) and E Class (W124), designed for use with 19 wheels. Equipped with 372mm front 325mm rear rotors, 6 piston front calipers, and 4 piston rear calipers to deliver powerful and consistent braking performance. This kit includes: rotors, pistons, calipers, brackets, hats, and braided stainless steel brake lines. Engineered for durability, confidence under heavy braking, and balanced performance