{"product_id":"renntech-ecu-hand-held-tuner-hht-mercedes-166-gl-450","title":"Renntech ECU Hand Held Tuner HHT - Mercedes \/ 166 \/ GL 450","description":"\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M278 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers huge performance gains; increasing performance from 362 HP and 406 lb\/ft torque, to an astonishing 501 HP and 576 lb\/ft at the crank! This allows the M278 engine to run the quarter mile in an impressive time and dramatically improves 0-60 mph times.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGL 450 (X166- M278 Biturbo Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 HP @ 5,250 RPM; 406 LB-FT @ 1,800 RPM\u003c\/li\u003e\n\u003cli\u003eNote: Mercedes M278 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e501 HP @ 4900 RPM; 576 LB-FT @ 4100 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e+139HP \/ +170 LB-FT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RENNtech","offers":[{"title":"Default Title","offer_id":42577744953537,"sku":"ECU:54.166.GL450BT.V8","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0005\/7773\/2663\/products\/renntech_hht_002_a1b423ff-bfeb-4b67-9f88-02fde17d7937.jpg?v=1683922913","url":"https:\/\/www.urotuning.com\/products\/renntech-ecu-hand-held-tuner-hht-mercedes-166-gl-450","provider":"UroTuning","version":"1.0","type":"link"}