# Car radio wiring adapter BLOW 0644# for Mercedes (ISO audio connector, vehicle-specific adapter)

**URL:** https://aio.lv/en/product--blow-0644--11016881
**Data updated:** 2026-03-07 18:13 (EET)
**Category:** Car Accessories
**Manufacturer:** BLOW
**Manufacturer code:** 0644#
**EAN:** 5900804027539
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 7.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-0644--11016881

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Wiring adapter BLOW 0644# provides an ISO audio connection for compatible Mercedes vehicles to enable installation of aftermarket car radios. The adapter converts vehicle-specific Mercedes audio wiring to standard ISO pinout, preserving speaker and power connections. Useful for replacing factory head units with aftermarket stereos without cutting factory harnesses; simplifies plug-and-play installation.

## Long description

The BLOW 0644# car radio wiring adapter is designed to provide an ISO audio connector for compatible Mercedes vehicles, allowing straightforward installation of aftermarket car radios. The adapter converts the vehicle-specific Mercedes audio wiring to a standard ISO pinout while preserving speaker outputs and power connections, so the original harness remains intact and no cutting of factory wiring is required.
Advantages
This vehicle-specific adapter simplifies the process of replacing a factory head unit with an aftermarket stereo by offering a direct plug-and-play connection. It maintains correct speaker channel assignments and power feeds, reducing installation time and risk of wiring errors. The adapter is compact and durable, intended to fit common Mercedes audio harness layouts and provide a reliable electrical interface between the car and the new radio.
Suitable for
Replacing a factory Mercedes radio with an aftermarket ISO-equipped head unit
Professional or DIY car audio installations where the factory harness must be preserved
Temporary swaps or testing of different radios without modifying vehicle wiring
Key specifications
Connector type: vehicle-specific Mercedes connector to ISO audio connector
Function: converts Mercedes audio wiring to standard ISO pinout for speakers and power
Compatibility: designed for compatible Mercedes models that use the specific factory audio harness layout
Preserves: speaker outputs, ignition/switched power, constant power and ground connections
Form factor: compact inline adapter for in-dash radio installations
How to use
Disconnect the vehicle battery before beginning installation. Unplug the factory radio harness from the vehicle and attach the vehicle-specific end of the BLOW adapter to the car’s original connector. Connect the ISO end of the adapter to the aftermarket radio’s harness, ensuring proper alignment of pins for power, ground and speaker channels. After all connections are secure, restore battery power and test the radio functions, speaker outputs and power states to confirm correct installation.
Usage recommendations
Verify compatibility with your Mercedes model and the aftermarket radio before installation. If necessary, consult installation diagrams or a professional installer to confirm pinouts and to avoid electrical faults. Keep the adapter in a dry, enclosed area behind the dash to prevent exposure to moisture and mechanical stress.

## FAQ

### How much does the BLOW 0644# car radio wiring adapter for Mercedes cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BLOW products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BLOW service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11016881/68513787_large.webp