Mercedes-Benz bulletin PSL-NCU Return Parts 6/26
What it saysDear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a manufacturer communication dated Jun 26, 2026, about the structure. It names 5 model years (2016–2020). A manufacturer communication 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 communicationDear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, July 16th, 2026. After July 16th, returns of these parts will no longer be accepted. These parts should be returned via ZSR Special Return, using item category SCM Authorized Part Return. Please include a copy of this NCU as your authorization to return these parts. This procedure will not affect your return allowance. All returned parts will be replaced in accordance with the chart provided below.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PSL-NCU Return Parts 6/26 | Other | Jun 26, 2026 | 11034099 | PDF, 150 KB |
What the document itself lists
The manufacturer titles it “Notice to Return Parts DATE: June 26, 2026”.
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| A1906205400 | — | — | |
| A1906209501 | — | — |
Read by machine from the document NHTSA serves (1 page), read Sep 30, 2026. A part number is shown only where it matches Mercedes-Benz’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
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.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
Find the body for the 2020 AMG GT →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
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 5 model years this bulletin names have filed 24 complaints 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 structure
Source: same model, same component group20 other manufacturer communications filed against the Mercedes-Benz AMG GT under the same component group (structure), newest first. The eight newest are listed; the rest are on the Mercedes-Benz list.
| 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… |
| PSL-NCU Return Parts 7/3 | Other | Jul 3, 2026 | Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be ret… |
| LI88.50-P-080263 | Service bulletin | Jul 1, 2026 | Complaint The trunk lid does not open or close completely and must be operated manually by the customer. The following fault codes are store… |
| LI67.30-P-078468 | Service bulletin | Jul 1, 2026 | Complaint Creaking/cracking sounds detectable in upper area of the side window panes Cause A locating rivet used during vehicle production t… |
| NCU - 2026060002 | Service campaign | Jun 26, 2026 | Work procedure A 1. Replace longitudinal member panel at right and left. Does not apply to VIN W1KRJ4xxxxxx11347! Please send an email to yo… |
| LI88.20-P-080034 | Service bulletin | May 7, 2026 | Complaint Replacement rear lower carbon bumper cover is delivered without Parktronc (PTS) sensor holders. This is observed during part repla… |
| LI67.30-P-080343 | Service bulletin | Mar 11, 2026 | Complaint Wind noises in the area of the mirror triangle on the front doors/side window panes Cause Potential causes: • Adjustment of the si… |
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 PSL-NCU Return Parts 6/26 a recall?
No. A manufacturer communication 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 PSL-NCU Return Parts 6/26 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 PSL-NCU Return Parts 6/26 cover?
The manufacturer filed it against 5 model years: 2020 Mercedes-Benz AMG GT, 2019 Mercedes-Benz AMG GT, 2018 Mercedes-Benz AMG GT, 2017 Mercedes-Benz AMG GT, 2016 Mercedes-Benz AMG GT. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.