Add Wish List Quick view Choose Options RaceChip XLR5 - Mercedes-Benz B-Class (W245) (from 2005) F-CELL (136 HP/ 100 kW) Next-gen throttle response for your MB B-Class (W245) F-CELL The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most refined... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare