Mercedes-Benz Vito W447 DSM / ISM Transmission Module A0002703452

This Mercedes-Benz ISM / gearbox transmission control unit is a replacement module for selected vehicles fitted with the 722.9 7G-Tronic automatic transmission. It is suitable for applications using part numbers A0002703352 and A0002703452, including selected Mercedes-Benz W212 E-Class E350 and CLS550 models, depending on the vehicle’s original module, software and coding configuration. Listings for this part family commonly identify it as an OEM transmission control unit / ISM 722.9 gearbox module for W212 E350 and CLS550 applications.

The Mercedes-Benz 722.9 7G-Tronic transmission is an electronically controlled 7-speed automatic gearbox used across various Mercedes-Benz platforms, including W212 E-Class and C218 CLS-Class applications.

Key Features

Replacement ISM / gearbox transmission control unit

Part numbers: A0002703352 / A0002703452

Suitable for selected Mercedes-Benz 722.9 7G-Tronic automatic transmission systems

Helps restore correct transmission communication and gear selection operation

Designed as a direct-fit replacement where the original part number and coding match

Suitable for selected E-Class W212 and CLS-Class CLS550 applications

Built for reliable operation under normal driving conditions

Compatible Vehicles

Please confirm compatibility before ordering. This unit may suit selected Mercedes-Benz vehicles fitted with compatible 722.9 / FBS4 DSM / ISM transmission systems, including:

Mercedes-Benz W166

Mercedes-Benz C207

Mercedes-Benz W212

Mercedes-Benz W218

Mercedes-Benz C292

Mercedes-Benz W447

Mercedes-Benz W205

Mercedes-Benz C217

Mercedes-Benz W222

Mercedes-Benz W907

Mercedes-Benz W910

Common model families may include selected:

Mercedes-Benz M-Class / GLE

Mercedes-Benz E-Class

Mercedes-Benz CLS-Class

Mercedes-Benz GLE Coupe

Mercedes-Benz Vito / V-Class

Mercedes-Benz C-Class

Mercedes-Benz S-Class / S-Class Coupe

Mercedes-Benz Sprinter

Common Faults This Unit May Help With

This replacement module may be required if the vehicle has symptoms such as:

Transmission control unit fault

Gear selection fault

Vehicle stuck in Park or gear not engaging

Transmission communication error

Limp mode / restricted shifting

Gearbox warning message on dashboard

Fault codes related to ISM, TCU or transmission control

Important Compatibility Notice

Mercedes-Benz transmission control units are VIN- and coding-sensitive. Before purchasing, please compare the part number on your original unit with A0002703352 or A0002703452. Coding, programming or cloning may be required after installation. A used replacement unit may not work correctly without transferring the correct vehicle data.

Package Includes

1 × Mercedes-Benz ISM / Gearbox Transmission Control Unit

Part numbers: A0002703352 / A0002703452

Customer Support Note

Should you experience any difficulty during your purchase or installation process, please contact us. We will assist where possible with fitment guidance and compatibility checks.