Mercedes first introduced the "722.5" automatic overdrive transmissions in the 1989 model year (includes 1989 and up 300-CE and 300-SL models). At a quick glance, it looks the same as the 722.3 and 722.4 models. The extension housing is the quickest way to identify the 5 speed unit, as this is where the overdrive section was added. The 4-5 and the 5-4 shifts are controlled by a computer module. This manual covers the testing, disassembly, inspection, and reassembly of the Mercedes 722.5 unit.

Contents:

• General Information
• Downshift Lockout
• Adjustment
• Road Test
• Valve Body Removal & Teardown
• Valve Body Teardown
• Valve Body 722.4
• Rear Pump & Governor Removal & Checks
• Transmission Removal
• Teardown of Transmission
• Component Assemblies
• Transmission Systems General
• Delayed Shifting
• Clutch Band Application
• Test Data Guide

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