Add Wish List Quick view Choose Options RaceChip XLR5 - Mercedes-Benz SL (R231) (from 2012) SL 65 AMG (630 HP/ 463 kW) Next-gen throttle response for your MB SL (R231) SL 65 AMG 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