Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz SLC (R172) (from 2016) SLC 250 d (204 HP/ 150 kW) Torque Increase (NM):58Economy Gain (MPG):20Power Gain (PS):35RaceChip RS Tuning Box - Bluetooth Version with App ControlThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning,... MSRP: £308.00 Add to Cart The item has been added Compare