Mercedes-Benz CONTROL UNIT – Sound System (A0009009817)
Premium OEM Audio Amplifier Module
Upgrade or restore your Mercedes-Benz audio performance with the Genuine Mercedes-Benz CONTROL UNIT Sound System A0009009817—an original OEM amplifier engineered to deliver exceptional sound clarity, optimized output, and full system compatibility.
Designed to integrate seamlessly with the factory MOST/LIN audio network, this control unit ensures accurate sound processing, stable communication with vehicle electronics, and high-fidelity audio reproduction as intended by Mercedes-Benz.
⭐ Key Features
• 100% Genuine Mercedes-Benz OEM Part
Ensures perfect fitment, long-term durability, and reliable audio performance.• Enhanced Sound Processing
Provides clear amplification, balanced output, and distortion-free sound across all factory speakers.• Seamless Integration
Works flawlessly with the vehicle's original infotainment system, MOST fiber optics, speakers, and sound profiles.• Ideal for Replacement or Retrofit
Restores factory audio functionality when the existing amplifier is faulty, damaged, or malfunctioning.📌 Part Number
A0009009817
(Direct OEM replacement for specific Mercedes-Benz sound system configurations)🔧 Compatibility
This amplifier is compatible with various Mercedes-Benz models equipped with OEM premium sound systems:
Compatible Chassis Models:
W213 – E-Class
C217 – S-Class Coupe
W222 – S-Class Sedan
A238 – E-Class Cabriolet
C238 – E-Class Coupe
C257 – CLS
X290 – AMG GT 4-Door Coupe
If you are unsure about compatibility, simply send us your VIN and we will confirm fitment for you.
⚠️ Important Notes
Professional coding or adaptation may be required after installation.
Always ensure part number compatibility before purchase.
📞 Need Assistance?
If you have questions regarding installation, coding, or compatibility, our team is ready to help. Just contact us for support!




