This Rear SAM Signal Acquisition Control Module is engineered for Mercedes-Benz M-Class W164 diesel SUV models. Compact dimensions of approximately 10.6L x 7.1W x 3.1H inches and a light 1.33 lb weight allow for straightforward installation within the vehicle's designated rear compartment. The module manages essential electrical functions and includes built-in trailer and tractor control support, expanding vehicle utility for towing tasks. Precision direct replacement part designed to match OE fit and function for model years 2005 through 2011, covering ML 320 CDI, ML 350 CDI, and ML 450 CDI variants. Verify compatibility using the provided OE reference numbers 1649005401 and 1649005101. Use this module to restore reliable signal processing and electrical management in your SUV's rear SAM unit, maintaining factory operating standards without modifications.
Replace the rear SAM module with this exact-fit control unit for Mercedes W164 diesel
Install in the designated rear electronics compartment using compact 10.6L x 7.1W x 3.1H
Rely on direct replacement design that matches OE specifications and electrical pin configurations
Enable trailer and tractor light control through integrated towing signal management
Check fitment across ML 320 CDI, ML 350 CDI, and ML 450 CDI models