Scosche LMZ30 Wiring Interface

Install new car stereo and retain steering wheel audio controls and safety warning chimes in select 2001-2004 vehicles from Mercedes-Benz

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• 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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Product Features:

  • Compatible with select 2001-2004 vehicles from Mercedes-Benz
  • Designed to install a new aftermarket car stereo and retain waring chimes
  • Provides accessory power (12-volt 10-amp)
  • Retains all safety and warning chimes
  • Retains steering wheel control functions
  • Retains R.A.P. (retained accessory power)
  • Provides NAV outputs (parking brake, reverse, and V.S.S)
  • Compatible with non-amplified audio systems
  • Micro-B USB updatable
  • USB updates via Scosche RFM (Sold Separately)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

Scosche LMZ30 thumbnail
(newest, current model)
Scosche MZ06SR thumbnail
(previous model, replaced by Scosche LMZ30 Wiring Interface)

Compatible Vehicles

Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

  • 2001 Mercedes-Benz C-Class
  • 2001 Mercedes-Benz C240
  • 2001 Mercedes-Benz C320
  • 2002 Mercedes-Benz C-Class
  • 2002 Mercedes-Benz C230
  • 2002 Mercedes-Benz C240
  • 2002 Mercedes-Benz C32 AMG
  • 2002 Mercedes-Benz C320
  • 2003 Mercedes-Benz C-Class
  • 2003 Mercedes-Benz C230
  • 2003 Mercedes-Benz C240
  • 2003 Mercedes-Benz C32 AMG
  • 2003 Mercedes-Benz C320
  • 2004 Mercedes-Benz C-Class
  • 2004 Mercedes-Benz C230
  • 2004 Mercedes-Benz C240
  • 2004 Mercedes-Benz C32 AMG
  • 2004 Mercedes-Benz C320

Specifications & Details

Harness Features
Vehicle Sound System
Standard Sound
Main Harness Function
Install Aftermarket Car Stereo & Retain Steering Wheel Controls
Additional Harness Features
Provides Parking Brake & Reverse Signals
Provides Vehicle Speed Sense
Retains Steering Wheel Controls
Premium Harness Features
Factory System Amplification
CAN-BUS Compatible
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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  • Owner’s manual
  • Vehicle’s insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver’s side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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