Genuine OEM Mercedes-Benz Rear SAM / Signal Acquisition and Actuation Module with rear fuse and relay control.

OEM PART NUMBERS:

A2049060605

204 906 06 05

HARDWARE NUMBER:

A2045458832

204 545 88 32

SOFTWARE NUMBER:

A2129028502

212 902 85 02

HELLA NUMBER:

5DK 011 022-20

REMOVED FROM:

2011 Mercedes-Benz C300 W204

TESTED:

September 22, 2026

This is the rear SAM (Signal Acquisition and Actuation Module), also commonly referred to as the rear fuse box / relay control module.

Known applications for this style W204 rear SAM include various Mercedes-Benz C-Class models including:

C180

C200

C230

C250

C280

C300

C350

C63 AMG

Exact compatibility varies by year, equipment, drivetrain, software and vehicle configuration.

IMPORTANT FITMENT INFORMATION:

Please compare the numbers printed on your original module with the numbers shown in the photos before purchasing.

The safest replacement is one matching OEM number A2049060605 / 2049060605.

PROGRAMMING / CODING:

This electronic control module may require Mercedes-Benz coding, programming, initialization or configuration after installation depending on the receiving vehicle.

Do not assume this module is plug-and-play.

Buyer is responsible for confirming compatibility and any required programming with a qualified Mercedes-Benz technician or dealer before purchase.

Used OEM part. Normal cosmetic wear, dust and marks from previous installation are possible.

You will receive the exact module shown in the photos.

Used condition. Item may have dust, dirt, grease, surface wear, scratches, and other signs of normal use. Cleaning may be required before installation. Please review all photos for condition details.

A6