Mercedes Transmission Manuals Directory

Access Your Transmission Model Through The Menu’s Below

• Mercedes Benz Automatic Shift Transmissions
• Mercedes Benz Standard Manual Shift Transmissions

How to identify your transmission by the stamped code on case housing

Identification of a Mercedes Benz Transmission, or (Gearbox) as they are also referred to, can be accomplished by following these guidelines.

Locate a code that is stamped on the exterior of the transmission casing. See image >

This code will help to decipher several factors including: Part Number, Version, Number of Forward Gears, Automatic or Standard Shift, Input Torque, Production Number, etc.

By retrieving this code, you will be able to locate the corresponding transmission manuals in our database that can help you perform service and repairs as needed on your gearbox. Model to Transmission Application Chart

Automatic Transmission Models By Date Of Introduction

Mercedes-Benz uses the number “722” to identify most automatic transmissions

Mercedes Benz Transmission Model Unit Identifier

• K4A025 4 Speed, 16 Bolt Pan Automatic Transmission
• K4B050 4 Speed, 16 Bolt Pan Automatic Transmission
• 722.2 — K4A040 hydraulically controlled 4-speed 4 bolt 1961-19xx
• 722.2 — K4C025 Reinforced Version 4-speed 4 bolt pan
• 722.0 — W3A040 hydraulically controlled 3-speed 4 bolt  1973-1980
• 722.0 — W3B-050 reinforced version for V8's Inc. 1975-81 450SEL 6.9 liter
• 722.1 — W4B025 hydraulically controlled 4-speed 4-bolt 1974–1983
• 722.3 — W4A040 4G-Tronic hydraulically controlled 4-speed 6 bolt  1981-1996
• 722.3 — W4A028 4G-Tronic hydraulically controlled 4-speed 6 bolt 1984-1996
• 722.4 — W4A020 4G-Tronic hydraulically controlled 4-speed 6-bolt 1981–
• 722.5 — W5A030 hydraulic 4-speed with 5th overdrive gear 1990-1997
• 722.6 — NAG-1 W5A330 for 4/6 cylinder vehicles 5G-Tronic 5-speed overdrive
• 722.6 — NAG-1 W5J400 for SUV vehicles 5G-Tronic 5-speed overdrive 1990-
• 722.6 — NAG-1 W5A580, for V8/V12 engine vehicles 5G-Tronic 5-speed overdrive
• 722.7 — W5A180 electronically controlled 5-speed automatic transmission
• 722.8 — WFC280 CVT electronically controlled 5-speed automatic transmission
• 722.9 — W7A700 7G-Tronic - electronically controlled 7-speed automatic trans
• 724.0 —
• 724.2 — W7A400(?) 7G-Tronic Plus - improved version in E300 Diesel Hybrid sedan
• 725.0 — W9A700 9G-Tronic — electronically controlled 9-speed automatic trans

Auto Transmission Supplements and Resources

• See Auto Transmission Version Chart Below
• Automatic Mercedes Transmissions for sale

Mercedes Benz Automatikgetriebe GA 230 SL-E, GA 280 SE, GA 190 Dc-E, GA 220b / Sb / SEb / 4 Gang Automatikgetriebe / automatic transmission / transmission automatique

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Standard Manual Shift Transmissions By Date Of Introduction

Mercedes Benz Transmission Model Unit Identifier

• Synchro-mesh 4-Speed Standard Transmission, 170, Series W136 | W191
• 711.101 G 1/18-4, 711.200 711.202 G 1/17-4 Manual 4-Speed Transmissions
• 716, 716.1, G 76/18, G 76/27, Manual Shift Standard 4 Speed Transmission
• 717, 717.0, 717.4, 717.43, 717.44 Manual Shift 4&5 Speed Standard Transmission
• Manual Transmission 716.210 for OM616 & OM617 NA Diesel W115 W123
• G56 — 6-speed manual

Standard Transmission Supplements and Resources

• Manual Transmission Conversion Kit for W123 OM616/OM617 Diesels

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Mercedes Transmission Production Models

Automatic Transmission Model Codes