Mercedes Benz BE7021 W221 W217 CL S Harman Kardon Amplifier 12 MONTHS WARRANTY

Professional Refurbishment Service for Your Mercedes-Benz BE7021 Harman Kardon Audio Amplifier – Restore Premium Sound Quality

Important: This listing is for a complete repair and refurbishment service of your existing Mercedes-Benz BE7021 Harman Kardon amplifier module.
You are NOT purchasing a replacement amplifier unit. We expertly restore your original OEM amplifier to full factory specifications with a 12-month warranty.

About the Mercedes-Benz BE7021 Harman Kardon Amplifier Issues

The BE7021 Harman Kardon amplifier is an integral part of the premium audio system found in Mercedes-Benz W221 S-Class and W217 CL-Class models. This amplifier handles high-fidelity sound amplification and digital signal processing, delivering crystal-clear audio performance. However, due to thermal stress, component aging, and internal circuit failures, this amplifier may malfunction, severely affecting audio quality or causing complete loss of sound.

Common Symptoms of a Faulty BE7021 Harman Kardon Amplifier:

• No sound output or drastically reduced audio volume

• Intermittent sound cutting out or distorted audio

• Amplifier completely dead – no power or response

• Audio system failure causing mute or speaker imbalance

• Electrical issues leading to battery drain or system errors

• Unit overheating and shutting down intermittently

• Error messages related to audio system on vehicle dashboard

If you notice any of these symptoms, it’s likely your BE7021 amplifier requires professional refurbishment.

Vehicles Commonly Affected:

• Mercedes-Benz S-Class W221 (2006–2013)

• Mercedes-Benz CL-Class W216 / W217 (2006–2014)

This service covers all vehicles equipped with the Harman Kardon BE7021 amplifier, part number A2218701589.

Supported Part Number:

• A2218701589

If you have a different part number or are unsure, please contact us before ordering to verify compatibility.

How Our Amplifier Repair Service Works:

1. Purchase the amplifier repair service from our website.

2. Follow our shipping instructions to send your faulty BE7021 amplifier unit to our repair center located in Maryland.

3. Our certified technicians perform a thorough diagnostic, repair, and full refurbishment using OEM-grade parts and factory-approved processes.

4. Each amplifier undergoes rigorous testing to ensure restored audio performance and reliability.

5. We ship your fully repaired amplifier back to you, typically within 2 to 3 weeks. In some cases, repair time may vary based on the severity of the issue.

6. Enjoy peace of mind with our 12-month warranty covering all repairs.

Why Choose Module Medics?

Replacing your Mercedes-Benz Harman Kardon amplifier at a dealership can be costly and time-consuming. Our expert refurbishment service saves you significant expense by restoring your existing amplifier to original factory performance, preserving your vehicle’s OEM audio experience. We specialize in Harman Kardon amplifier circuit board repair, component-level troubleshooting, and advanced fault diagnostics to resolve power, signal, and thermal issues.

Contact Us

Have questions about your amplifier or the repair process? Our expert support team is here to help! Don’t hesitate to contact us for assistance with part numbers, service details, or shipping instructions.