Big Steel Brakes for SL (R129) and E-Class (W124) | 355/325 mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 Rated by RENNtech (peak @wheel):

Rated by RENNtech (peak @wheel):              649 whp @ 5

Recommended back spacing is between 1 and 2  inches of clearance between wheel/tire and the door

Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance across the entire RPM range

The maximum power number reached with the RENNtech ECU Upgrade for the Aston Martin DBX V8 is 644 HP and 676 LB-FT

MANUFACTURED IN THE US

Big Steel Brakes for SL (R129) and E-Class (W124) | 355/325 mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 Rated by RENNtech (peak @wheel):A complete big brake upgrade for the Mercedes Benz SL (R129) and E Class (W124), designed for use with 18 wheels. Equipped with 355mm front 325mm rear rotors, 6 piston front calipers, and 4 piston rear calipers to deliver powerful, consistent stopping performance. This kit includes: rotors, pistons, calipers, brackets, hats, and braided stainless steel brake lines. Built for improved durability and confidence under heavy braking, both on the road and