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March 11, 2024 Service bulletin

Check right tailgate, rework if necessary Check/test procedure 1. Remove top center rear spoiler

Mercedes-Benz technical service bulletin NCU - 2024030011 for 2023-2024 Mercedes-Benz GLC 300, 2023-2024 Mercedes-Benz AMG Glc43 and 2023 Mercedes-Benz AMG Glc63s and others.

Bulletin number
NCU - 2024030011
Component
Structure: body: tailgate
Summary
Check right tailgate, rework if necessary Check/test procedure 1. Remove top center rear spoiler. For basic data, see AR72.20-P-4000WT. 2. Check outer top right of rear-end door for constriction and crack formation (Figure 1). a. No crack or sheet metal constriction present on outer right of rear-end door: End measure. b. Crack or sheet metal constriction present on outer right of rear-end door: Carry out work procedure. Work procedure 1. Remove side spoiler on right rear-end door. For basic data, see AR72.20-P-4000WT. The right side spoiler must be replaced. 2. Drill off crack/sheet metal constriction on outer right of rear-end door at ends using a 2–3 mm drill bit. 3. Clean rear-end door in processed area, apply anticorrosion protection, and rework/seal the crack with seam sealant. Ensure cavity preservation according to manufacturer's specifications. 4. Assemble in reverse order.

Owners of these vehicles have filed 4 complaints in the body category.

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