Mercedes-Benz over-the-air update OTA - 20250627
What it saysMercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN coding available for certain subject vehicles. NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as an over-the-air update dated Jun 28, 2025, received Jun 27, 2025, about the lane departure. It names 56 model years across Mercedes-Benz and Mercedes-Maybach (2021–2025). An over-the-air update is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
One page for every brand it was filed under. Each brand’s bulletins: Mercedes-Benz · Mercedes-Maybach.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationPicked out of NHTSA’s summary below, word for word. The document itself is the record, and the dealer checks the VIN.
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN coding available for certain subject vehicles. The updated SCN coding improves system stability and enhances the availability of driver assistance features. MBUSA will conduct an OTA service campaign. Remote SCN coding updates are automatically downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| OTA - 20250627 | Over-the-air update | Jun 28, 2025 | 11019782 | PDF, 123 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 themMercedes-Benz 46 model years
Also filed against model years this site has no page for: 2022 Mercedes-Benz AMG C63 S; 2024 Mercedes-Benz AMG C63 S E; 2022 Mercedes-Benz AMG GT63; 2022 Mercedes-Benz AMG GT63 S; 2023 Mercedes-Benz AMG S 63 E 4MATIC+; 2024 Mercedes-Benz AMG S 63 E 4MATIC+; 2023 Mercedes-Benz CLE 300; 2023 Mercedes-Benz CLE 450; 2024 Mercedes-Benz Redundant AMG GLC43 4MATIC; 2025 Mercedes-Benz Redundant AMG GLC43 4MATIC; 2024 Mercedes-Benz Redundant EQE 350; 2023 Mercedes-Benz Redundant EQE 350 4MATIC; 2023 Mercedes-Benz Redundant EQS 450; 2024 Mercedes-Benz Redundant EQS 450.
Mercedes-Maybach 10 model years
Also filed against: 2024 Mercedes-Maybach EQS SUV 680 4MATIC; 2025 Mercedes-Maybach EQS SUV 680 4MATIC; 2021 Mercedes-Maybach S 580; 2022 Mercedes-Maybach S 580 4MATIC; 2023 Mercedes-Maybach S 580 4MATIC; 2024 Mercedes-Maybach S 580 4MATIC; 2023 Mercedes-Maybach S 680; 2024 Mercedes-Maybach S 680; 2022 Mercedes-Maybach S 680 4MATIC; 2023 Mercedes-Maybach S 680 4MATIC.
A 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 32 model years this bulletin names have filed 768 complaints with NHTSA since 2015. 422 of them name Electrical System, Forward Collision Avoidance, Lane Departure — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On four separate occasions between April 2026 and today the Active Brake Assist systems has engaged for no reason. This has occurred in daylight as well as at night. It has occurred at low speeds (15 mph) and at highway speeds. On two occasions there was a near collision from the car behind me due to the rapid engagement of the brakes.
2025 Mercedes-Benz GLC-Class · Forward Collision Avoidance · filed with NHTSA Oct 29, 2026 · ODI 11774367
The vehicle presented multiple warnings/errors before shutting down on the street in traffic on June 23, 2026. Warnings such as Collision Detected, Blind Spot Assist and Exit Warning Inoperative, PRE-SAFE Inoperative, System Failure Detected, Service Required Do Not Shift Gear, along with various lights on the dashboard which includes…
2024 Mercedes-Benz GLC-Class · Lane Departure · filed with NHTSA Jul 18, 2026 · ODI 11751243
I am formally reporting a serious and potentially life-threatening safety issue with this vehicle and requesting an immediate investigation and recall consideration. On 09/21/2026 at approximately 5:05 PM, I was driving along with my wife on westbound Tennyson Road in Hayward during heavy traffic, the vehicle suddenly stopped without…
2022 Mercedes-Benz EQS · Forward Collision Avoidance · filed with NHTSA Oct 2, 2026 · ODI 11768567
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 lane departure
Source: same model, same component group1 other manufacturer communication filed against these Mercedes-Benz models under the same component group (lane departure), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| OTA - 20250725 | Over-the-air update | Jul 25, 2025 | Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system software available for certain subject ve… |
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 and Mercedes-Maybach, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Mercedes-Benz OTA - 20250627 a recall?
No. A over-the-air update 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 OTA - 20250627 repair free?
A over-the-air update is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does OTA - 20250627 cover?
The manufacturer filed it against 56 model years across 2 brands (Mercedes-Benz and Mercedes-Maybach): 2024 Mercedes-Benz AMG GT, 2023 Mercedes-Benz AMG GT, 2022 Mercedes-Benz AMG GT, 2021 Mercedes-Benz AMG GT, 2025 Mercedes-Benz C-Class, 2024 Mercedes-Benz C-Class and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.