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December 1, 2025 Service bulletin

Clunking noise on load change or gear engagement Complaint Clunking noise can be heard on some load...

Mercedes-Benz technical service bulletin LI28.00-N-063339 for 2007-2025 Mercedes-Benz Sprinter 3500, 2006-2014 Dodge Sprinter 3500 and 2006-2024 Freightliner Sprinter 3500 and others.

Bulletin number
LI28.00-N-063339
Component
Power train
Summary
Clunking noise on load change or gear engagement Complaint Clunking noise can be heard on some load changes or when changing from N->R or N->D Cause Movement of transfer case splines Remedy Apply bearing retainer (green) Loctite to both output shaft splines of the transfer case. Loctite 648, 609 and 603 are acceptable for this repair. Note: Do not apply Loctite to input shaft (connection with transmission) splines of the transfer case else possible damage could occur.

Owners of these vehicles have filed 43 complaints in the transmission category.

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