Mercedes-Benz bulletin LI72.12-P-078483
What it saysComplaint Lower rear door cover protrudes in area of rear wheel arch. NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a service bulletin dated Oct 23, 2024, received Oct 30, 2024, about the structure. It names 3 model years (2021–2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationComplaint Lower rear door cover protrudes in area of rear wheel arch. Left and right vehicle side could be affected. See Figure 1 Cause Rear catch tab of the rear door cover cannot fully engage, causing the component part to protrude. Remedy Order new component part and, before installing the new part, shorten the contact ribs on the rear catch tab by 1 mm (A). See Figure 2.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| LI72.12-P-078483 | Service bulletin | Oct 23, 2024 | 11009518 | PDF, 126 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
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Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 3 model years this bulletin names have filed 36 complaints with NHTSA since 2015.
Cowl vent grille openings allowed normal environmental debris to accumulate, plug drainage and divert water onto electrical components and potentially result in a fire if not addressed.
2021 Mercedes-Benz GLA-Class · Structure · filed with NHTSA Jun 13, 2026 · ODI 11743847
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the structure
Source: same model, same component group8 other manufacturer communications filed against the Mercedes-Benz GLA-Class under the same component group (structure), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| LI82.62-P-078631 | Service bulletin | Sep 14, 2026 | Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all rem… |
| LI72.20-P-075746 | Service bulletin | Aug 24, 2026 | Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EX… |
| LI67.10-P-071418 | Service bulletin | May 13, 2026 | Complaint Wind noises in area along the top of windshield at speeds above 60mph. Cause Insufficient sealing between the windshield lip seal… |
| NCU - 2025070007 | Service campaign | Aug 2, 2025 | Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, a heat shield might not have… |
| LI88.60-P-072093 | Service bulletin | Jan 24, 2025 | Complaint Fuel door may require several attempts to open. Please note that if the complaint "Fuel filler flap not opening" occurs, it is imp… |
| LI72.20-P-078562 | Service bulletin | Jan 4, 2025 | Complaint Noises (creaking/squeaking) from liftgate lock while driving. Cause Under analysis Remedy 1. Grease liftgate lock at the marked po… |
| NCU - 2024110007 | Service campaign | Dec 13, 2024 | Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2024 CLA and GLA… |
| CL - 2024110007 | Other | Dec 13, 2024 | Please visit an authorized Mercedes-Benz dealer where they will replace the rear axle flex disk, free of charge. Schedule an appointment by… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Mercedes-Benz, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Mercedes-Benz LI72.12-P-078483 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the LI72.12-P-078483 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every Mercedes-Benz warranty extension on file lists the ones Mercedes-Benz has filed.
Which vehicles does LI72.12-P-078483 cover?
The manufacturer filed it against 3 model years: 2023 Mercedes-Benz GLA-Class, 2022 Mercedes-Benz GLA-Class, 2021 Mercedes-Benz GLA-Class. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.