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HomeBulletinsMercedes-Benz NCU - 2026070001
Manufacturer communication · Service campaign

Mercedes-Benz service campaign NCU - 2026070001

Mercedes-Benz filed this with NHTSA as a service campaign dated Jul 24, 2026, received Jul 28, 2026, about the structure. 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 communication

Check/test procedure: 1. Open hood. 2. Check clinch points against fault pattern A (Figure 2) or fault pattern B (Figure 3). Visual inspection of the 12 potentially affected clinch points (Figure 1). A. If clinch points (Figure 1) are found to have defects consistent with fault pattern A (Figure 2), proceed with Work procedure for fault pattern A. B. If clinch points (Figure 1) are found to have defects consistent with fault pattern B (Figure 3), proceed with Work procedure for fault pattern B. C. If all 12 clinch points (Figure 1) are found to be correct (Figure 4), terminate measure. Figure 4: Correct clinch point If all 12 clinch points are correct (Figure 4), terminate measure. Work procedure for fault pattern A: 1. Degrease surface of work area. 2. Apply transparent seam seal to the work area. 3. Use a paintbrush to spread the transparent seam seal in the work area. Work procedure for fault pattern B: 1. Degrease work area. 2. Sand down work area. 3. Remove any protruding pieces of the affected clinch points (Figure 1 & 3). 4. Restore the paintwork with a touch-up paint pen matching the color of the vehicle. 5. Degrease work area. 6. Apply transparent seam seal to the work area. 7. Use a paintbrush to spread the transparent seam seal in the work area.

Kind Service campaign Manufacturer date Jul 24, 2026 Received by NHTSA Jul 28, 2026 Components Structure

Document filed under this number

DocumentKindDatedNHTSA id
NCU - 2026070001Service campaignJul 24, 202611035268

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 them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Mercedes-Benz NCU - 2026070001 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, or on its page here.

Is the NCU - 2026070001 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 - 2026070001 cover?

The manufacturer filed it against 1 model year: 2025 Mercedes-Benz CLA-Class. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.