Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Voice Activation Control Module Identification (DTB 28/01; MB-NET 199)
Reference number: DTB 28/01; MB-NET 199
VOICE ACTIVATION CONTROL MODULE IDENTIFICATION
TECHNICAL SERVICE BULLETIN
| MERCEDES-BENZ: | ALL MODELS, MODEL YEAR 2000 AND 2001 |
| GROUP: | 82.70 - Telephone, voice control system (VCS) |
SUBJECT
DEALER TECHNICAL BULLETIN 28/01
SERVICE INFORMATION
28/01-1 RECALLS AND SERVICE CAMPAIGNS: WHEN REPAIRING ANY VEHICLE, ALWAYS CHECK THE VEHICLE MASTER INQUIRY FOR OPEN CAMPAIGNS.
28/01-2 GROUP 82.70 - ALL MODELS, MODEL YEAR 2000 AND 2001, VOICE ACTIVATION CONTROL MODULE IDENTIFICATION: Please note that the following part numbers apply to Voice Activation Control Modules (A35/11).
- MY 00 / StarTac - Q6820422 (New) and Q6829422 (Remanufactured) Note that the box is labeled 220 820 64 26 and that the part in the box can be labeled either 220 820 64 26, 220 820 76 26 or 203 820 68 26; all are acceptable substitutions.
- MY 01 / Timeport - Q6820650 (New) or Q6829650 (Remanufactured) Note that the box is labeled 220 820 76 26 and that the part in the box can be labeled either 220 820 76 26 or 203 820 68 26; all are acceptable substitutions.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
