Connector / Ecm Plug Adapter Mercedes 722.6 (w5a-330 / W5a-580) 96-up (oem# 140-270-0250 / 203-540-0253)

ECM Plug Adapter Connector for Mercedes 722.6 (W5A-330 / W5A-580) Transmissions 1996+

Restore proper electronic communication between your transmission control unit and the 722.6 gearbox with this premium ECM plug adapter connector. Manufactured by Atk to meet or exceed OEM specifications, this electrical connector replaces worn, corroded, or damaged factory plugs that can cause shifting problems and fault codes. Designed as a direct fit for Mercedes 722.6 (W5A-330 / W5A-580) transmissions from 1996 and up.

Key Features

• Direct replacement for OEM part numbers 140-270-0250 and 203-540-0253
• Precision-molded housing ensures a secure, weather-tight connection
• High-quality electrical contacts for reliable signal transfer
• Resistant to heat, vibration, and transmission fluid exposure
• Manufactured by Atk for dependable long-term performance

Compatibility

This ECM plug adapter connector is compatible with Mercedes vehicles equipped with 722.6 (W5A-330 / W5A-580) transmissions from 1996 and newer. It is a direct-fit replacement for the listed OEM part numbers, making installation straightforward for qualified technicians.

Why Choose This Part?

A faulty connector can interrupt communication between the ECM and transmission, leading to harsh shifting, limp mode, or stored trouble codes. This Atk-manufactured adapter restores that critical link with OEM-quality fit and function. Verify your transmission code and OEM number before ordering to ensure a perfect match. Order now and get your Mercedes shifting smoothly again.