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November 6, 2025 Service bulletin

Complaint USB port not functioning properly

Mercedes-Benz technical service bulletin LI68.20-P-080012 for 2022-2025 Mercedes-Benz C300, 2025 Mercedes-Benz E350 and 2023-2026 Mercedes-Benz GLC 300 and others.

Bulletin number
LI68.20-P-080012
Component
Electrical system
Summary
Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the customer beforehand. Common external factors identified include: • Fluid intrusion • Broken bushings or physical damage See attachments. Remedy If a component needs replacement without visible external damage, submit a detailed TIPS case. Include information on all connected external devices (e.g., charging cables, USB drives, hard drives).

Owners of these vehicles have filed 443 complaints in the electrical category.

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