Mercedes-Benz bulletin LI91.10-P-080683
What it saysComplaint Customer reports a squeaking or creaking sound (See Example) originating from the lower front seat area. NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a service bulletin dated Jun 12, 2026, received Jun 16, 2026, about the seats. It names 2 model years (2026–2027). 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 Customer reports a squeaking or creaking sound (See Example) originating from the lower front seat area. This sound may occur under the following conditions: • Driving over uneven or rough road surfaces • During cornering / vehicle body movement • When there is movement or load shift in the seat base. Cause Insufficient lubrication of components within the seat height adjustment mechanism Remedy Replace the seat height adjuster assembly
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| LI91.10-P-080683 | Service bulletin | Jun 12, 2026 | 11033857 | PDF, 36 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.
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 2 model years this bulletin names have filed 1 complaint with NHTSA since 2015.
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 seats
Source: same model, same component group2 other manufacturer communications filed against the Mercedes-Benz CLA-Class under the same component group (seats), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| LI91.10-P-078305 | Service bulletin | Mar 26, 2026 | Complaint The "easy entry and exit feature" function deactivates itself after a brief period. (see attachment) Cause The cause is currently… |
| LI91.18-P-077075 | Service bulletin | Dec 4, 2023 | Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats for extended periods of time… |
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 LI91.10-P-080683 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 LI91.10-P-080683 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 LI91.10-P-080683 cover?
The manufacturer filed it against 2 model years: 2027 Mercedes-Benz CLA-Class, 2026 Mercedes-Benz CLA-Class. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.