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March 11, 2024 Service bulletin

Tailgate opens unintentionally

Mercedes-Benz technical service bulletin LI72.20-P-075746 for 2019-2024 Mercedes-Benz C300, 2017, 2020-2024 Mercedes-Benz E350 and 2020-2024 Mercedes-Benz GLC 300 and others.

Bulletin number
LI72.20-P-075746
Component
Structure: body: hood
Summary
Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead. The recoding can be carried out as follows: 1. Add AO code O19 in VeDoc (O as in the letter "O" for Oscar, not the number "0"/zero) 2. EZS N73: Perform SCN coding 3. Deactivate the vehicle key (a successful deactivation is indicated by the LED lighting up 2x briefly and then 1x for a long period). 4. Place the vehicle key on the key symbol in the storage compartment and then switch on the ignition. All other vehicle keys must be outside of the vehicle when doing this! Perform steps 3 and 4 successively for all vehicle keys. Notes: 6th, 7th and 8th generation keys can be deactivated as follows: Up to modification year 22/1, by double-clicking on the locking button

Owners of these vehicles have filed 98 complaints in the body category.

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