Add Wish List Quick view Add to Cart The item has been added RaceChip XLR5 + Controller - Mercedes-Benz SLK-Class (R172) (2011 - 2016) SLK 55 AMG (422 HP/ 310 kW) We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines... MSRP: £249.00 Add to Cart The item has been added Compare