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Metra 40-VW10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

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22
List price $11.99
-33% $7.99

In stock

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

Scosche MZ2340B / MZ2340 Dash Kit

Install a new Single-DIN car stereo in select 2002-2004 C-Class (Black)

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Install a new Single-DIN car stereo in select 2002-2004 C-Class (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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3
List price $35.47
-35% $22.99

In stock

Only 1 Left!

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Metra 40-EU30 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

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Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

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Fits your C-Class
List price $21.99
-14% $18.99

In stock

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

Metra 40-VW12 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1981-2008 vehicles from Mercedes-Benz

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Connect your factory antenna to a new aftermarket radio for select 1981-2008 vehicles from Mercedes-Benz

• European factory antenna with flat plug to aftermarket radio
• Compatible with select 1981-2008 vehicles from Mercedes-Benz Vehicles

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14
List price $16.99
-41% $9.99

In stock

• European factory antenna with flat plug to aftermarket radio
• Compatible with select 1981-2008 vehicles from Mercedes-Benz Vehicles

Scosche LMZ30 Wiring Interface

Install new car stereo and retain steering wheel audio controls and safety warning chimes in select 2001-2004 C-Class

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Install new car stereo and retain steering wheel audio controls and safety warning chimes in select 2001-2004 C-Class

• Provides 12-Volt accessory power (RAP)
• Compatible with non-amplified audio systems
• Retains steering wheel control
• Retains all safety and warning chimes
• Micro-B USB Updatable

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List price $84.95
-6% $79.95

In stock

• Provides 12-Volt accessory power (RAP)
• Compatible with non-amplified audio systems
• Retains steering wheel control
• Retains all safety and warning chimes
• Micro-B USB Updatable

Metra 40-VW53 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

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Fits your C-Class
3
List price $17.99
-28% $12.99

In stock

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

Scosche VW01B Wiring Harness

Install a new car stereo in select 1980-2010 vehicles from Volkswagen, Mercedes-Benz, Audi

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Install a new car stereo in select 1980-2010 vehicles from Volkswagen, Mercedes-Benz, Audi

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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found car based on your search
Fits your C-Class
40
List price $8.95
-11% $7.99

Available

Ships in 10-14 days

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Axxess AXDI-MB1 Wiring Interface

Install a New Car Stereo and Retain Steering Wheel Controls, Factory Chimes, and Other Factory Features in select 2001-2018 vehicles from Mercedes-Benz

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Install a New Car Stereo and Retain Steering Wheel Controls, Factory Chimes, and Other Factory Features in select 2001-2018 vehicles from Mercedes-Benz

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fits your C-Class
List price $116.99
-10% $104.99

In stock

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Crux SWRBM-57 Wiring Interface

Install new car stereo and retains steering wheel audio controls and other factory features in select 1999-2018 vehicles from Mercedes-Benz, BMW, Porsche

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Install new car stereo and retains steering wheel audio controls and other factory features in select 1999-2018 vehicles from Mercedes-Benz, BMW, Porsche

• Provides 12-Volt accessory power (RAP)
• Designed for amplified models
• Micro-B USB Updatable
• Pre-programmed for retention of steering wheel controls
• Color coded wires for easy installation
• No cutting or splicing required

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1
List price $220.50
-36% $141.75

In stock

Only 1 Left!

• Provides 12-Volt accessory power (RAP)
• Designed for amplified models
• Micro-B USB Updatable
• Pre-programmed for retention of steering wheel controls
• Color coded wires for easy installation
• No cutting or splicing required

Scosche VW01BCB Wiring Harness

Install a new car stereo in select 1975-2010 vehicles from Volkswagen, Audi, Mercedes-Benz

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Install a new car stereo in select 1975-2010 vehicles from Volkswagen, Audi, Mercedes-Benz

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-terminated with Butt Connectors

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2
$8.95

Available

Ships in 10-14 days

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-terminated with Butt Connectors

Metra 95-8722B Dash Kit

Install a new Double-DIN car stereo in select 2001-2006 vehicles from Mercedes-Benz (Matte Black)

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Install a new Double-DIN car stereo in select 2001-2006 vehicles from Mercedes-Benz (Matte Black)

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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found car based on your search
Fits your C-Class
1
List price $36.99
-54% $16.99

In stock

Only 3 Left!

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

PAC VWH14A

Install a New Car Stereo and Retain OEM Amplifier for select 1965-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

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Install a New Car Stereo and Retain OEM Amplifier for select 1965-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

• OEM amplifier retention harness for aftermarket stereos
• Compatible with select 1965-2017 vehicles from Volkswagen, Audi, Mercedes-Benz (European vehicles)
• Connects to the vehicle's factory harness

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Fits your C-Class
List price $24.00
-33% $16.00

In stock

Only 2 Left!

• OEM amplifier retention harness for aftermarket stereos
• Compatible with select 1965-2017 vehicles from Volkswagen, Audi, Mercedes-Benz (European vehicles)
• Connects to the vehicle's factory harness

Axxess AXDIS-MB82 Wiring Interface

Install a New Car Stereo, Retain Steering Wheel Controls, and Other Factory Features in select 2002-2012 vehicles from Mercedes-Benz

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Install a New Car Stereo, Retain Steering Wheel Controls, and Other Factory Features in select 2002-2012 vehicles from Mercedes-Benz

• Wiring interface to install aftermarket stereo in select 2002-2012 vehicles from Mercedes-Benz
• Designed for MOST25 amplified systems
• Provides accessory power and NAV outputs
• Retains R.A.P., balance, and steering wheel controls
• Easy to set DIP switches for SWC configuration

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found car based on your search
Fits your C-Class
List price $669.99
-10% $602.99

In stock.

• Wiring interface to install aftermarket stereo in select 2002-2012 vehicles from Mercedes-Benz
• Designed for MOST25 amplified systems
• Provides accessory power and NAV outputs
• Retains R.A.P., balance, and steering wheel controls
• Easy to set DIP switches for SWC configuration

NAV-TV NTV-KIT501

Radio Replacement Interface for select 2004-2006 C-Class and SL-Class and S-Class Equipped with the M.O.S.T. Fiber Optic System

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Radio Replacement Interface for select 2004-2006 C-Class and SL-Class and S-Class Equipped with the M.O.S.T. Fiber Optic System

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fits your C-Class
$625.00

Available

Ships in 10-14 days

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

iDataLink Maestro RR Interface Module

Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

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Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

• Universal stereo replacement interface module
• Connects to iDataLink-compatible stereos
• Retains SWC, voice commands, etc.
• Enhances multimedia experiences with exclusive gauges, vehicle info, parking assistance, climate control, and radar detection

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Universal – fits most vehicles.
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36
List price $229.99
-17% $189.99

In stock

• Universal stereo replacement interface module
• Connects to iDataLink-compatible stereos
• Retains SWC, voice commands, etc.
• Enhances multimedia experiences with exclusive gauges, vehicle info, parking assistance, climate control, and radar detection

iDataLink Maestro RR2 Interface Module

Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

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Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

• Advance stereo replacement interface for select vehicles
• Offers exclusive infotainment retention
• Adds support for additional vehicles
• Enables Bluetooth programming directly from mobile device
• Retains OnStar, SYNC, Uconnect, and more

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Universal – fits most vehicles.
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List price $319.99
-19% $259.99

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Install Bay IBR74

Dual USB Pass Through Extension Panel

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Dual USB Pass Through Extension Panel

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

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List price $37.99
-11% $33.99

In stock

Only 2 Left!

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

Install Bay IBR73

HDMI/USB Pass Through Extension Panel

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HDMI/USB Pass Through Extension Panel

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

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List price $52.99
-11% $46.99

In stock

Only 2 Left!

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

iDataLink Maestro SR (ADS-MSR) Interface Module

Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

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Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

• Universal stereo replacement interface
• Retains factory steering wheel control
• Retains backup camera with any stereos
• Retains digital fade, DSP, gain, camera controls in iDataLink-ready stereos

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Universal – fits most vehicles.
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List price $169.99
-18% $139.99

In stock

• Universal stereo replacement interface
• Retains factory steering wheel control
• Retains backup camera with any stereos
• Retains digital fade, DSP, gain, camera controls in iDataLink-ready stereos

iDatalink Maestro ADS-MAR Wiring Interface

Factory Amplifier Replacement Interface for

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Factory Amplifier Replacement Interface for

• Factory digital amplifier replacement interface
• Compatible with
• Works with vehicle specific T-harnesses
• Compatible with an iDataLink-ready amplifier
• Supplies control data and audio

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Universal – fits most vehicles.
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1
List price $144.99
-17% $119.99

In stock

• Factory digital amplifier replacement interface
• Compatible with
• Works with vehicle specific T-harnesses
• Compatible with an iDataLink-ready amplifier
• Supplies control data and audio

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    FAQ for Aftermarket Stereo Installation Accessories in 2004 C-Class

    Q: Can I upgrade or change the Aftermarket Stereo Installation Accessories in 2004 Mercedes-Benz C-Class?

    A: Yes this page includes all the best Aftermarket Stereo Installation Accessories that work in your C-Class.

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    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.