{"product_id":"amg-e53-w213-tune","title":"Mercedes-AMG E53 (W213\/C238\/A238) ECU Tune","description":"\u003cp\u003eCustom OEM-ECU calibration for the \u003cstrong\u003eMercedes-AMG E53 (W213\/C238\/A238)\u003c\/strong\u003e. Factory output is 429 hp and 384 lb-ft; Stage 1 takes it to \u003cstrong\u003e475 hp and 430 lb-ft\u003c\/strong\u003e — a gain of 46 hp and 46 lb-ft — with no hardware changes required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1 — 475 hp \/ 430 lb-ft.\u003c\/strong\u003e Stock exhaust, stock intake. Nothing to buy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 2 — 495 hp \/ 450 lb-ft.\u003c\/strong\u003e With downpipes or a sports exhaust fitted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMail-in ECU.\u003c\/strong\u003e You remove the ECU using the instructions we email you and ship it to us. We flash it on the bench and send it straight back, normally within 24–48 hours of arrival. The car stays in your garage the whole time.\u003c\/p\u003e\u003cp\u003eEvery file is built and signed off individually against your own datalog, not pulled from a shelf. One free revision for 30 days — change your exhaust or your fuel and we update the calibration at no charge. Emissions equipment is not touched.\u003c\/p\u003e\u003cp\u003eECU: Bosch MG1CP002 (MPC5777M).\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFigures are estimates at the crank for a healthy car on good fuel. Real-world results vary with vehicle condition, fuel quality, dyno type and ambient conditions.\u003c\/em\u003e\u003c\/p\u003e","brand":"RK-Tunes","offers":[{"title":"Default Title","offer_id":67726580809833,"sku":null,"price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1159\/4362\/files\/amg-e53-w213_c4e6ef34-792e-4062-9998-648eb81b3eb2.png?v=1792449645","url":"https:\/\/www.rktunes.com\/products\/amg-e53-w213-tune","provider":"RKTunes","version":"1.0","type":"link"}