Mercedes-Benz 722.5 5-Speed Automatic Transmission · Mercedes-Benz · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
1995–2000 Mercedes-Benz W210 (E-Class V6/V8), 1993–1999 Mercedes-Benz W140 (S500/S600), 1997–2004 Mercedes-Benz W163 (ML320/ML430)
| Configuration | 5-speed automatic RWD transmission |
|---|---|
| Gear Ratios | 1st 3.59:1 · 2nd 2.19:1 · 3rd 1.41:1 · 4th 1.00:1 · 5th 0.83:1 · Rev 3.16:1 |
| Fluid Type | Mercedes-Benz ATF (MB 236.1 or Dexron VI compatible) |
| Fluid Capacity | 8.5 qts total, 4.0 qts service refill |
The conductor plate is the #1 failure on 722.5. The plate cracks from heat cycling, causing solenoid and speed sensor connection failure.
Symptoms: Transmission in limp mode, DTC P0715 or P0720, harsh shift quality, ETC warning light
Individual shift solenoids fail electrically or mechanically, causing specific gear loss or harsh engagement.
Symptoms: Loss of specific gear (often 4th or 5th), DTC codes P0750–P0760, erratic shift pattern
TCC shudder at highway speeds is common on high-mileage 722.5 units when fluid is neglected.
Symptoms: Vibration at 50–70 mph, DTC P0740, shudder under light throttle cruise
722.5 rebuild replaces conductor plate, all solenoids, all clutch packs, torque converter, and all seals. Valve body is cleaned and inspected for bore wear. Mercedes-Benz ATF used.
Change Mercedes-Benz ATF (MB 236.1 spec or Dexron VI compatible) every 40,000 miles. Conductor plate failure can sometimes be resolved without full rebuild — inspect first before authorizing teardown.
W210 E-Class V6/V8, W140 S500/S600, and W163 ML320/ML430 from 1993–2004.
Conductor plate failure — it causes limp mode and multiple DTCs. Replacement alone resolves many issues without a full rebuild.
A full rebuild ranges $1,800–$2,400 at Chicago Transmission.
Mercedes-Benz ATF meeting MB 236.1 specification, or compatible Dexron VI.
Limp mode from conductor plate failure or solenoid failure is the most likely cause. Diagnosis will confirm whether conductor plate replacement or a full rebuild is needed.
Free diagnostic, written estimate, lifetime warranty. Chicago's 722.5 rebuild specialists since 1987.
