Add Wish List Quick view Add to Cart The item has been added RaceChip RS - Mercedes-Benz S-Class (W222, C217) (2013 - 2020) S 450 EQ Boost (367 HP/ 270 kW) Torque Increase (NM):83Economy Gain (MPG):20Power Gain (PS):42RaceChip RS Tuning Box - Non Bluetooth VersionThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning, high-quality hardware... MSRP: £349.00 Add to Cart The item has been added Compare