{"product_id":"725","title":"725.0, 9G-TRONIC, NAG3","description":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eThe \u003cb\u003eMercedes-Benz 725.0\u003c\/b\u003e, commonly known as \u003cb\u003e9G-TRONIC or NAG3\u003c\/b\u003e, is a \u003cb\u003e9-speed electronically controlled automatic transmission\u003c\/b\u003e developed for longitudinal-engine applications. Introduced in the \u003cb\u003eMercedes-Benz E 350 BlueTEC\u003c\/b\u003e, it was designed as the successor to the 7G-TRONIC family and uses a \u003cb\u003etorque converter with lock-up clutch, four planetary gearsets and six shift elements\u003c\/b\u003e to provide nine forward ratios. Mercedes-Benz's own technical documentation confirms the 725.0 architecture and its approximately \u003cb\u003e9.15:1 overall ratio spread\u003c\/b\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eSpecification:\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003e 9-speed automatic • Mercedes-Benz 725.0 • 9G-TRONIC \/ NAG3 • Longitudinal installation • Rear-wheel-drive and 4MATIC applications • Torque converter with lock-up clutch • Four planetary gearsets • Six shift elements • Electro-hydraulic shift control • Fully integrated transmission control (VGS) • Primary mechanical oil pump plus auxiliary electric oil pump on applicable versions • Multiple torque-capacity variants including W9A400, W9A500, W9A700 and higher-capacity derivatives • Multiple calibrations depending on vehicle and engine application. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eCommonly fitted across selected \u003cb\u003eMercedes-Benz C-Class, E-Class, CLS, S-Class, GLC, GLE, GLS, G-Class, SLC and V-Class\u003c\/b\u003e applications. Different 725.0 versions were engineered for substantially different engine outputs and drivetrain configurations, with variants capable of handling \u003cb\u003eup to approximately 1,000 Nm\u003c\/b\u003e. Consequently, the \u003cb\u003evehicle VIN, complete 725.xxx transmission number and individual component identification should always be confirmed before ordering replacement parts\u003c\/b\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eCommon Faults\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eCommon 725.0 problems include electro-hydraulic valve-body\/VGS faults, speed-sensor problems, pressure-control and solenoid faults, torque-converter lock-up problems and internal clutch or brake-element faults. Depending on the failure, symptoms can include harsh or delayed engagement, shift flare, incorrect or missing gears, transmission failsafe operation, juddering, slipping and abnormal torque-converter lock-up operation. Because the VGS electronics, sensors and hydraulic control system are highly integrated, correct diagnosis is particularly important before replacing individual transmission components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; mso-ligatures: none; mso-fareast-language: EN-GB;\"\u003eCommon Fault Codes\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable class=\"MsoNormalTable\" border=\"0\" cellpadding=\"0\" width=\"614\" style=\"width: 460.7pt; mso-cellspacing: 1.5pt; mso-yfti-tbllook: 1184; mso-padding-alt: 0cm 0cm 0cm 0cm;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFault Code\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"mso-yfti-irow: 1;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0715\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eTurbine\/input speed sensor circuit fault\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 2;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0720\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eOutput speed sensor circuit fault\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 3;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0730\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eIncorrect transmission gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 4;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0731\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eIncorrect 1st gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 5;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0732\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eIncorrect 2nd gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 6; height: 2.5pt;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt; height: 2.5pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0733\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt; height: 2.5pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eIncorrect 3rd gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 7;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0734\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eIncorrect 4th gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 8;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0741\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eTorque converter clutch performance \/ lock-up fault\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 9;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP0746\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003ePressure-control solenoid performance \/ stuck off\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 10; mso-yfti-lastrow: yes;\"\u003e\n\u003ctd width=\"120\" style=\"width: 89.9pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eP2767\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"488\" style=\"width: 366.3pt; padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eInput\/turbine speed sensor B – no signal\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Autolink Automatics","offers":[{"title":"Default Title","offer_id":55597612597624,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/2013\/6622\/files\/725.0_9G-TRONIC_NAG3_1.png?v=1787755171","url":"https:\/\/shop.autolinkautomatics.com\/products\/725","provider":"Autolink Automatics","version":"1.0","type":"link"}