-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 63 AMG (571 HP/ 420 kW) Connected performance for your MB S-Class (W221) S 63 AMG The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune settings... RRP: Was: £358.00 Now: £286.40 Add to Cart The item has been added Compare
-30% Add Wish List Quick view Add to Cart The item has been added RaceChip GTS 5 - Mercedes-Benz S-Class (W221) (from 2005) S 320 CDI (211 HP/ 155 kW) Premium performance tuning for your MB S-Class (W221) S 320 CDI The RaceChip GTS 5 is our premium chip tuning solution, delivering substantial power and torque gains with seven fine-tuning settings... RRP: Was: £399.00 Now: £279.30 Add to Cart The item has been added Compare
-30% Add Wish List Quick view Add to Cart The item has been added RaceChip GTS 5 - Mercedes-Benz S-Class (W221) (from 2005) S 320 CDI (235 HP/ 173 kW) Premium performance tuning for your MB S-Class (W221) S 320 CDI The RaceChip GTS 5 is our premium chip tuning solution, delivering substantial power and torque gains with seven fine-tuning settings... RRP: Was: £399.00 Now: £279.30 Add to Cart The item has been added Compare
-30% Add Wish List Quick view Add to Cart The item has been added RaceChip GTS 5 - Mercedes-Benz S-Class (W221) (from 2005) S 350 CDI (235 HP/ 173 kW) Premium performance tuning for your MB S-Class (W221) S 350 CDI The RaceChip GTS 5 is our premium chip tuning solution, delivering substantial power and torque gains with seven fine-tuning settings... RRP: Was: £399.00 Now: £279.30 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 500 CGI (435 HP/ 320 kW) Connected performance for your MB S-Class (W221) S 500 CGI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £308.00 Now: £246.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS - Mercedes-Benz S-Class (W221) (from 2005) S 63 AMG (544 HP/ 400 kW) Performance tuning for your MB S-Class (W221) S 63 AMG The RaceChip RS is our mid-range performance chip, offering significant power gains with wire-free installation. Advanced tuning maps optimised... RRP: Was: £299.00 Now: £239.20 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS - Mercedes-Benz S-Class (W221) (from 2005) S 63 AMG (571 HP/ 420 kW) Performance tuning for your MB S-Class (W221) S 63 AMG The RaceChip RS is our mid-range performance chip, offering significant power gains with wire-free installation. Advanced tuning maps optimised... RRP: Was: £299.00 Now: £239.20 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 420/450 CDI (320 HP/ 235 kW) Connected performance for your MB S-Class (W221) S 420/450 CDI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £288.00 Now: £230.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 320 CDI (211 HP/ 155 kW) Connected performance for your MB S-Class (W221) S 320 CDI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £258.00 Now: £206.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 320 CDI (235 HP/ 173 kW) Connected performance for your MB S-Class (W221) S 320 CDI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £258.00 Now: £206.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 350 CDI (235 HP/ 173 kW) Connected performance for your MB S-Class (W221) S 350 CDI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £258.00 Now: £206.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 350 BlueTEC (258 HP/ 190 kW) Connected performance for your MB S-Class (W221) S 350 BlueTEC The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £258.00 Now: £206.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Mercedes-Benz S-Class (W221) (from 2005) S 250 CDI (204 HP/ 150 kW) Connected performance for your MB S-Class (W221) S 250 CDI The RaceChip RS + App combines our mid-range tuning performance with smartphone connectivity. Monitor your performance and fine-tune... RRP: Was: £258.00 Now: £206.40 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS - Mercedes-Benz S-Class (W221) (from 2005) S 500 CGI (435 HP/ 320 kW) Performance tuning for your MB S-Class (W221) S 500 CGI The RaceChip RS is our mid-range performance chip, offering significant power gains with wire-free installation. Advanced tuning maps optimised... RRP: Was: £249.00 Now: £199.20 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Add to Cart The item has been added RaceChip RS - Mercedes-Benz S-Class (W221) (from 2005) S 420/450 CDI (320 HP/ 235 kW) Performance tuning for your MB S-Class (W221) S 420/450 CDI The RaceChip RS is our mid-range performance chip, offering significant power gains with wire-free installation. Advanced tuning maps... RRP: Was: £229.00 Now: £183.20 Add to Cart The item has been added Compare
-20% Add Wish List Quick view Choose Options RaceChip XLR5 - Mercedes-Benz S-Class (W221) (from 2005) S 300 (231 HP/ 170 kW) Next-gen throttle response for your MB S-Class (W221) S 300 The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most refined... RRP: Was: £199.00 Now: From £159.20 Choose Options Compare