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May 7, 2026 Service bulletin

Replacement rear lower carbon bumper cover is delivered without Parktronc (PTS) sensor holders

Mercedes-Benz technical service bulletin LI88.20-P-080034 for 2025-2026 Mercedes-Benz AMG GT43, 2024-2026 Mercedes-Benz AMG GT63 and 2024-2025 Mercedes-Benz AMG GT55 and others.

Bulletin number
LI88.20-P-080034
Component
Structure: body
Summary
Complaint Replacement rear lower carbon bumper cover is delivered without Parktronc (PTS) sensor holders. This is observed during part replacement when the bumper is received without holders included. Applicable Bumper Part Numbers (SA 773): • A1928854401 • A1928855601 Cause There is no underlying defect → See Remedy Remedy When replacing the rear lower carbon bumper cover, the PTS sensor holders must be ordered separately. Required Additional Parts: • A1928883700 PTS holder, left • A1928883800 PTS holder, right If the item numbers cannot be ordered regularly via Paragon, please open a TIPS case to the Body/Chassis/Entertainment inbox and provide the following information: • recipient address • contact person The parts will then be made available accordingly. Installation Notes PTS holders are supplied with adhesive tape and positional markings. Ensure the bonding surface of the bumper trim is clean and dry. Position the PTS holder correctly and apply firm, even pressure to ensure proper adhesion and secure bonding.

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