Add Wish List Quick view Choose Options RaceChip XLR5 - Mercedes-Benz M-Class (W163) (from 1998) ML 55 AMG (347 HP/ 255 kW) Next-gen throttle response for your MB M-Class (W163) ML 55 AMG The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare