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July 19, 2017 Service bulletin

Pop-up roof: Glass roof jams or cannot be opened, drive unit makes rattling noises

Mercedes-Benz technical service bulletin LI77 21-P-063617 for 2015, 2017-2018 Mercedes-Benz GLC, 2016-2020 Mercedes-Benz Gle and 2011-2013 Mercedes-Benz A176 and others.

Bulletin number
LI77 21-P-063617
Component
Structure: body: roof and pillars
Summary
Pop-up roof: Glass roof jams or cannot be opened, drive unit makes rattling noises

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

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