{"product_id":"jb4-tuner-for-mercedes-benz-c43-amg-glc-amg","title":"JB4 Tuner for 2023+ Mercedes-Benz C43\/GLC\/C63S AMG 2.0L Hybrid","description":"\u003cp\u003eUnlock serious performance from your 2023+ Mercedes-AMG C43, GLC 63 and C63 S E Performance with the JB4 plug-and-play tuner. Developed for the M139 2.0-litre turbo hybrid platform, this piggyback tuning box installs on two easy-to-reach engine connectors and safely raises turbocharger boost by around 3 to 6 psi. With integrated CANbus control rescaling timing and fueling, the JB4 delivers smooth, reliable power gains while retaining factory safety systems. Installation is fully reversible and there is no ECU unlock or flagging required.\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n  \u003cli\u003eProven gains on pump fuel up to 50whp on the C43 and up to 100whp on the C63, with further potential on higher octane or E85 blends\u003c\/li\u003e\r\n  \u003cli\u003eQuick plug-and-play fit on top of the engine using two connectors, not VIN-locked and removable without a trace\u003c\/li\u003e\r\n  \u003cli\u003eCANbus OBDII integration for refined boost, timing and fueling control, improving 0 to 60 and quarter-mile times\u003c\/li\u003e\r\n  \u003cli\u003ePreloaded with up to 8 maps, including ethanol-compatible options and boost-by-gear control\u003c\/li\u003e\r\n  \u003cli\u003eJB4PRO app support to view and record up to 40 parameters, change maps and update firmware, with wireless smartphone connectivity available\u003c\/li\u003e\r\n  \u003cli\u003eOEM-like drivability in all modes and fuel economy unchanged during normal driving; 91 octane or better required for performance gains\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eAdditional details: includes a rugged billet aluminium enclosure, designed and assembled in the USA, with a 5-year warranty. The JB4 offers far more functionality, safety and performance than typical chip tunes, making it a popular upgrade with Nforcd customers seeking a reversible ECU tune alternative for their AMG.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eVehicle fitment\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e2023+ Mercedes-Benz C43 AMG 2.0L Turbo Mild Hybrid M139\u003c\/li\u003e\r\n  \u003cli\u003e2023+ Mercedes-Benz GLC 63 AMG 2.0L Turbo Plug-In Hybrid M139\u003c\/li\u003e\r\n  \u003cli\u003e2024+ Mercedes-Benz C63 S E Performance AMG 2.0L Turbo Plug-In Hybrid M139\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eNforcd knows the JB4 platform inside out and keeps this AMG tuning box moving fast for UK owners. Ready to install? We offer professional fitting at Nforcd in Warwickshire. Request a fitting quote via Sales@nforcd.com and transform your AMG today.\u003c\/p\u003e","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":55463283917185,"sku":"2023+ C43 AMG JB4","price":908.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/lotus-jb4-tune-tuner-chip_44d21a5a-decf-4d69-8442-d7d38229d858.jpg?v=1774347566","url":"https:\/\/www.nforcd.com\/products\/jb4-tuner-for-mercedes-benz-c43-amg-glc-amg","provider":"Nforcd","version":"1.0","type":"link"}