Radio, Stereo, and Compact Disc: Technical Service Bulletins

• Audio/COMAND(R) - Repair Of Wiring Harnesses
• Electrical - Electrostatic Discharge Damage Prevention
• Interior - Interior Damage From Scent Dispensers
• Display Flashes (All Radio Functions in Order)
• Radio Inoperative, Multiple Error Codes/No Display
• Radio - Post Warranty Repair Procedure
• Radio - Post Warranty Repair Program
• Radio - Serial Number Alteration Concerns
• Radio - Recoding With Code Key
• Radio - Non USA Radio Warranty Rejection
• CD Changer - Installation
  • Models 124 (Except 124.034/036/066) and 201
  • Model 124.034/036
  • Model 124.066
  • Model 129
  • Model 140
  • Model 124 Sedan/Coupe
    • Overview
    • A. Installation of Mounting Hardware
    • B. Wiring and Cable Connection
    • C. CD Changer Installation
    • D. Testing the Operation of the CD Changer
    • E. Useful Hints
  • Models 124.034/036 - Installation of CD Changer
  • Model 126
  • Model 129 - CD Changer Installation
    • Overview
    • A. Installation of Mounting Hardware
    • B. Wiring and Cable Connection
    • C. CD Changer Installation
    • D. Testing the Operation of the CD Changer
    • E. Useful Hints
  • Model 140 - CD Changer Installation
  • Model 201
• Distorted Bass or Bass Too Weak