Plug-and-Play performance upgrade for your 5.5L engine (563 hp) from the Mercedes-Benz tuning expert. Get up to +85 hp and +107 lb-ft. Product description:RaceChip RS Chiptuning: High performance and complete safetyThe bestseller. A completely new optimization software with enhanced engine-specific adjustments, high-quality hardware as well as a comprehensive service and warranty package will make every driver’s heart beat faster.• Easy installation within 15 minutes• 6 fine tuning mappings for a gradual custom-fit. The RaceChip RS is supplied with the right map for your engine. 6 fine tuning mappings allow you to choose a map to suit your mood or the engine characteristics.• Perfect fine tuning for the perfect match• Up to +20% MPG: The RaceChip RS increases the torque available and efficiency at the given engine speed. Therefore a higher gear can be selected, less gear-changing is necessary in general, and fuel is used more efficiently. As a result, your car's MPG can be increased by up to +20%.• Pro-grade FCI connector "Made in Germany"• Pro fixing system• Autobahn tested chiptuning and market leading technologySo that your RaceChip works perfectly with the engine in your car, we have developed fine tuning mappings. They mean that you can fine tune your RS to match your engine’s performance and characteristics perfectly. The indicated performance gains and fuel efficiency gains are target values. Deviations upwards and downwards are possible. These may, for example, be caused by standard factory model variations, the quality of the fuel used, the maintenance and ageing condition of the vehicle or the driving habits. This product DOES NOT meet the emissions compliance requirements of the California Air Resources Board and Federal Environmental Protection Agency and is NOT legal for sale and use on public streets and highways. This product may only be used for racing vehicles that are used exclusively for competition in legally sanctioned closed-course racing events.• Box includes: RaceChip RS chip tuning module, Wiring kit, 4 fixing clips, 4 cable ties, User’s manual
