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Scosche MZ02AR Wiring Interface

Connect a new car stereo and retain the factory amp and steering wheel controls in select 2006-11 Mercedes-Benz M-Class models

Item # 142MZ02AR

Find what Fits your car

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Contact our Virginia-based experts.
Discontinued item
4 questions - 4 answers

Item # 142MZ02AR

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Need help?
Contact our Virginia-based experts.

About the Scosche MZ02AR Wiring Interface

Scosche MZ02AR

You want to upgrade the stereo in your 2006-11 Mercedes-Benz M-Class, but you don't want to lose important factory features. Scosche's MZ20AR interface retains the steering wheel audio controls, along with the factory amplifier with its fiber optic controls. It also maintains the 12-volt accessory output, as well as providing the navigation connections, including reverse, speed pulse, and parking brake, that you'll need to install a car stereo with GPS. Warranty: 60 days

What's in the box:

  • Radio replacement interface module
  • Fiber optic control box
  • Wiring harness
  • SWC harness
  • Installation Instructions
MFR #MZ02AR

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More details on the Scosche MZ02AR Wiring Interface

Stacey B.

Product Research

Features

Vehicle Compatibility: The Scosche MZ02AR radio replacement interface module is designed specifically for 2006-2011 Mercedes M Class vehicles with a Fiber Optic amplified audio system.

Retained Features: The Scosche MZ02AR allows you to replace your factory stereo with an aftermarket receiver while retaining the vehicle's Fiber Optic amplified audio system and factory steering wheel controls (if the vehicle is equipped). This interface will also maintain the data-controlled +12V accessory output, as well as Retained Accessory Power (R.A.P.).

  • Fiber Optic Amplifier System: The Scosche MZ02AR lets you retain your vehicle's Fiber Optic amplified audio system, but fader capability will be lost.
  • +12V Accessory Output: In the Mercedes M Class, there is no 12-volt accessory wire in the factory harness, which requires the installer to run an accessory wire to the fuse box or underneath the steering column when installing an aftermarket radio. The MZ02AR is designed to provide a +12V accessory switched accessory output.
  • Retained Accessory Power (R.A.P.): The ignition power source of the Mercedes M Class keeps the radio on until one of the doors is opened. This feature is called the R.A.P. (retained accessory power). The MZ02AR is designed to retain this feature.
  • Steering Wheel Controls: The MZ02AR also includes a steering wheel control output, which allows you to keep your vehicle's factory steering wheel controls when replacing the factory radio with an aftermarket head unit that features a SWC input. No additional interface or programming is necessary.

Navigation Outputs: In addition, the MZ02AR provides navigation outputs for reverse, vehicle speed pulse, and parking brake - making installation of aftermarket navigation receivers much simpler and less time consuming.

Wiring Color Chart: The following wires of the included wiring harness will need to be hardwired to your new aftermarket stereo's harness.

Wire Color Function
Yellow +12 Volt Constant
Black Ground
Red +12 Volt Accessory
Blue Amp Turn-On
Orange Illumination Output (+)
White Left Front Speaker +
White/black Left Front Speaker -
Gray Right Front Speaker +
Gray/black Right Front Speaker -
Green Left Rear Speaker +
Green/black Left Rear Speaker -
Purple Right Rear Speaker +
Purple/black Right Rear Speaker -
Green (w/ bullet connector) Parking Brake
Violet/white Reverse Output (+)
Pink VSS (vehicle speed sense)
Yellow/black Phone Mute

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Cos your web site and my audio guy said this wiring interface is fit with your 2007 MB GL450 for pioneer replacement. [ Emrah  Feb 17, 2018 ]

4 questions already asked

Q
Does this unit retain the car's built-in mirophones for bluetooth calls, or do the external microphones for head units have to be routed and mounted?
[ William  Nov 27, 2017 ]
1 answer
A
i installed the MIC that came with the package. The controls on the steering wheel didnt work as advertised so i assume that the mic wont work.
[ Carlos  Dec 01, 2017 ]
Q
Trying to find out if this will work with my 2006 CLS55 with harmon kardon MOST integration. this looks like a great unit. please tell me if it will work?
[ michael  May 16, 2017 ]
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will integrate and what you will need for an installation in your vehicle.
[ Kenny  May 16, 2017 ]  Staff
Q
I will like to know if the MZ02AR will work with the Harmon Kardon fiber system in my 2004 Mercedes E500?
[ ozeelegend  Apr 26, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Apr 29, 2017 ]  Staff
Q
I want to know if the MZ02AR will work with the Harmon Kardon fiber system in my 2008 Mercedes ML550? it says it work, however, having a fiber system in the past there was NO easy solution, this seems TOO good to be true..
[ Matthew  Mar 10, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Mar 11, 2017 ]  Staff

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