Mercedes-Maybach service campaign NCU - 2025050005
Mercedes-Maybach filed this with NHTSA as a service campaign dated May 23, 2025, received May 28, 2025, about the electrical system. It names 1 model year (2025). A service campaign 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.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationMercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the software for the "Digital Vehicle Key" control unit does not correspond to the current series production configuration. Consequently, the control unit may not enter Sleep Mode. A software update will be provided to improve battery management by releasing the vehicle network when not needed. The update also includes general enhancements to operational stability and device compatibility for the “Digital Vehicle Key� system. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the software for the "Digital Vehicle Key" control unit.
Document filed under this number
| Document | Kind | Dated | NHTSA id |
|---|---|---|---|
| NCU - 2025050005 | Service campaign | May 23, 2025 | 11018624 |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. 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. Quote it at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themAlso filed against: 2025 Mercedes-Maybach EQS SUV 680 4MATIC.
None of these model years has a page on this site (it covers EPA-certified cars, trucks and SUVs from 2016), so the bulletin is listed here on its own.
Common questions
Source: NHTSA, 49 CFR 579.5Is Mercedes-Maybach NCU - 2025050005 a recall?
No. A service campaign 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.
Is the NCU - 2025050005 repair free?
A service campaign 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 NCU - 2025050005 cover?
The manufacturer filed it against 1 model year: 2025 Mercedes-Maybach EQS SUV 680 4MATIC. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.