---
product_id: 182764420
title: "TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008)"
brand: "toopai"
price: "$2.90"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/182764420-toopai-car-stereo-radio-optical-fiber-decoder-most-box-mercedes
store_origin: US
region: United States of America
---

# Compact Size Optical Interface Easy Installation TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008)

**Brand:** toopai
**Price:** $2.90
**Availability:** ✅ In Stock

## Summary

> 🎶 Upgrade Your Drive with Premium Sound!

## Quick Answers

- **What is this?** TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) by toopai
- **How much does it cost?** $2.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/182764420-toopai-car-stereo-radio-optical-fiber-decoder-most-box-mercedes)

## Best For

- toopai enthusiasts

## Why This Product

- Trusted toopai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Crystal Clear Sound:** Decode your Bose or Harmon Kardon systems effortlessly.
- • **Tailored for Luxury:** Designed specifically for select Mercedes Benz models.
- • **Transform Your Ride:** Elevate your audio experience with seamless integration.
- • **Lightweight & Compact:** Weighs only 3.56 oz for easy handling and installation.
- • **Plug-and-Play Convenience:** No more hefty installation fees—just connect and enjoy!

## Overview

The TOOPAI Car Stereo Radio Optical Fiber Decoder is a specialized device designed for select Mercedes Benz models (2003-2008). It allows for the seamless integration of your original Bose or Harmon Kardon sound systems, ensuring crystal-clear audio without the hassle of complicated installations. Weighing just 3.56 ounces and featuring a compact design, this decoder is the perfect addition for audiophiles looking to enhance their driving experience.

## Description

Installation Steps:  Step 1: The installation of this optic fiber decoder is quite easy. Please follow the below steps to install the decode to get sound. Step 2: MOST BOX power wiring, please connect the black wire to your car's GND wire, yellow B+ wire to your car's B+/BATT wire, red ACC wire to yuor original car's ACC wire. Step 3: For the white plug and the red plug on the decoder, please simply connect them to the car radio unit RCA cable's FRONT OUT L and REAR OUT R as in the below picture. (AUX IN L to your car's FRONT OUT L,AUX IN R to your car's REAR OUT R).

## Features

- Suitable Vehicle Type: For Mercedes Benz CL(2004-2006)/CLS(2005-2008)/E(2003-2008)/S(2004-2006)/SL(2005-2008/SLK(2005-2008).
- Decode Bose or Harmon Kardon with optical interface: This optic fiber decoder box will keep your original car's optic fiber amplifier or Harmon Kardon system or Bose sound system work.
- Reduce installation fee,easy to install. All cables just need to be connected in front.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 3.56 ounces |
| Package Dimensions | 4.72 x 3.58 x 1.81 inches |

## Images

![TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) - Image 1](https://m.media-amazon.com/images/I/61h4J3+lIRL.jpg)
![TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) - Image 2](https://m.media-amazon.com/images/I/61Q6g40brWL.jpg)
![TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) - Image 3](https://m.media-amazon.com/images/I/61645bhB9dL.jpg)
![TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) - Image 4](https://m.media-amazon.com/images/I/71yQox0dAeL.jpg)
![TOOPAI Car Stereo Radio Optical Fiber Decoder Most Box for Mercedes Benz E CLS SLK SL S CL Series (W219 W211 W171) (≤ 2008) - Image 5](https://m.media-amazon.com/images/I/710JhrsWbmL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-22*