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Professional fibre optic retention decoder designed for Mercedes-Benz vehicles with factory MOST amplifier systems, enabling aftermarket head unit installation while retaining original premium audio. The AMPMB3 converts MOST fibre optic signals to standard analogue audio, maintaining factory amplifier and speaker functionality for Mercedes CLS 2005-2011, E-Class W211 2002-2009, and SLK 2004-2011 models.
The CAC AMPMB3 solves the integration challenge when installing aftermarket head units in Mercedes-Benz vehicles equipped with factory fibre optic MOST audio systems. Mercedes premium audio systems use fibre optic connections incompatible with standard aftermarket head units. This decoder converts MOST signals to analogue format, enabling new head unit installation while retaining expensive factory amplifiers and speakers.
The decoder maintains high-quality audio output through factory amplification, preserving the premium sound quality Mercedes owners expect. Direct integration with original amplifiers eliminates the need for expensive speaker replacements or additional amplifiers, providing cost-effective infotainment upgrades while maintaining factory audio performance.
Compatible with Mercedes CLS 2005-2011, E-Class W211 2002-2009, and SLK 2004-2011 models featuring factory fibre optic amplifier systems. The AMPMB3 enables seamless aftermarket head unit installation for navigation upgrades, smartphone integration, or modern multimedia features while preserving original audio system investment.
MOST Fibre Optic Conversion – Converts Mercedes factory MOST fibre optic audio signals to standard analogue format, enabling aftermarket head unit installation in premium audio-equipped vehicles without losing factory amplifier functionality.
Factory Amplifier Retention – Maintains original Mercedes premium amplifier and speaker system, preserving expensive factory audio investment while adding modern head unit features like navigation and smartphone integration.
High-Quality Audio Output – Delivers premium sound through factory Mercedes amplification system, maintaining the audio quality and power distribution that Mercedes engineered for optimal listening experience in CLS, E-Class, and SLK models.
Video Output Support – Provides video signal capability for multimedia applications, enabling installation of head units with navigation displays, reversing cameras, and video entertainment while maintaining audio through factory systems.
Direct Factory Integration – Interfaces directly with original Mercedes fibre optic amplifier system, eliminating complex wiring modifications and ensuring reliable long-term operation in demanding automotive environments.
Cost-Effective Upgrade – Enables modern head unit installation without replacing expensive factory amplifiers and premium speakers, providing significant savings compared to complete audio system replacement while gaining modern features.
Mercedes-Specific Engineering – Designed specifically for Mercedes CLS, E-Class W211, and SLK models with factory fibre optic systems, ensuring proper signal compatibility and audio performance matching original equipment specifications.
Seamless Aftermarket Installation – Allows straightforward installation of aftermarket head units with navigation, Apple CarPlay, Android Auto, or multimedia features while maintaining factory audio quality through original Mercedes amplification.
| Specification | Details |
|---|---|
| Model | AMPMB3 |
| Product Type | Fibre Optic Retention Decoder |
| Brand | CAC (Car Audio Connect) |
| Technology | MOST Fibre Optic to Analogue Conversion |
| Input Interface | MOST Fibre Optic |
| Output Interface | Analogue Audio (RCA) |
| Video Output | Supported |
| Vehicle Compatibility | Mercedes CLS (2005-2011), E-Class W211 (2002-2009), SLK (2004-2011) |
| Factory System | Fibre Optic MOST Amplifier |
| Audio Quality | High-Quality Analogue Output |
| Amplifier Retention | Yes - Maintains Factory System |
| Speaker Retention | Yes - Uses Original Speakers |
| Power Source | Factory Amplifier Connection |
| Installation Type | Direct Integration |
Q: Why do I need this decoder for my Mercedes?
A: Mercedes-Benz CLS, E-Class W211, and SLK models with premium audio use MOST fibre optic systems incompatible with standard aftermarket head units. The AMPMB3 converts fibre optic signals to analogue format, enabling aftermarket head unit installation while retaining your expensive factory amplifier and speakers. Without this decoder, you would lose factory audio functionality or need costly speaker and amplifier replacements.
Q: Will I lose audio quality using this decoder?
A: No, the AMPMB3 maintains high-quality audio through your factory Mercedes amplifier and speakers. The decoder is specifically designed to preserve premium sound quality that Mercedes engineered into CLS, E-Class, and SLK audio systems, allowing you to enjoy modern head unit features without sacrificing the audio performance you expect from Mercedes premium systems.
Q: What Mercedes models is this compatible with?
A: The AMPMB3 is compatible with Mercedes CLS 2005-2011, E-Class W211 2002-2009, and SLK 2004-2011 models equipped with factory fibre optic MOST amplifier systems. Verify your Mercedes has a factory premium audio system with fibre optic connections before purchasing to ensure compatibility with this decoder.
Q: Can I install navigation or Apple CarPlay with this decoder?
A: Yes, the AMPMB3 enables installation of aftermarket head units featuring navigation, Apple CarPlay, Android Auto, or multimedia entertainment while maintaining your factory Mercedes audio system. The decoder handles audio signals while supporting video output for navigation displays and reversing cameras, providing modern infotainment features with factory audio quality.
Q: Is professional installation required?
A: Professional installation by qualified auto electricians experienced with Mercedes fibre optic systems is strongly recommended. Installation involves interfacing with factory MOST network, proper decoder connection, and aftermarket head unit integration requiring technical knowledge of Mercedes wiring and audio systems to ensure reliable operation and maintain vehicle warranty compliance.
Servicing the Illawarra and surrounding areas for over 30 years, Frankies Auto Electrics is a multi-award winning service provider and retail outlet, covering all aspects of auto electrical work and in-car entertainment. From sales and installations, electrical diagnostics and fault finding, upgrades and additions, our team of qualified sales people, technicians and installers are on hand to help.
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