Mercedes-Benz service campaign NCU - 2022070004
What it saysMercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2018 - 2024 E-Class, S-Class & AMG GT (213, 217, 222, 223 and 290 platforms) vehicles, the low… NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a service campaign dated Oct 18, 2024, received Oct 21, 2024, about the fuel/propulsion system. It names 45 model years across Mercedes-Benz and Mercedes-Maybach (2018–2024). 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.
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 ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2018 - 2024 E-Class, S-Class & AMG GT (213, 217, 222, 223 and 290 platforms) vehicles, the low pressure fuel line does not meet current production specifications. Therefore, it is possible that accelerated aging in the area of connection could occur, resulting in a leak. A risk of fire can be ruled out. MBUSA will conduct an Emission Service Campaign. An authorized Mercedes-Benz dealer will replace the braided hose of low-pressure fuel line and install a heat shield over the new braided hose.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| NCU - 2022070004 | Service campaign | Oct 18, 2024 | 11009025 | PDF, 649 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 31 model years
Also filed against model years this site has no page for: 2021 Mercedes-Benz AMG E53 S; 2023 Mercedes-Benz AMG E53E; 2022 Mercedes-Benz AMG E63; 2022 Mercedes-Benz AMG E63S; 2020 Mercedes-Benz AMG GT43; 2024 Mercedes-Benz AMG GT53E; 2022 Mercedes-Benz AMG GT63; 2022 Mercedes-Benz AMG GT63 S; 2018 Mercedes-Benz S 550; 2019 Mercedes-Benz S 550; 2020 Mercedes-Benz S 550.
Mercedes-Maybach 14 model years
Also filed against: 2021 Mercedes-Maybach S 560; 2018 Mercedes-Maybach S 560 4MATIC; 2019 Mercedes-Maybach S 560 4MATIC; 2020 Mercedes-Maybach S 560 4MATIC; 2021 Mercedes-Maybach S 580; 2022 Mercedes-Maybach S 580 4MATIC; 2023 Mercedes-Maybach S 580 4MATIC; 2024 Mercedes-Maybach S 580 4MATIC; 2018 Mercedes-Maybach S 650; 2019 Mercedes-Maybach S 650; 2020 Mercedes-Maybach S 650; 2023 Mercedes-Maybach S 680; 2024 Mercedes-Maybach S 680; 2022 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 20 model years this bulletin names have filed 407 complaints with NHTSA since 2015. 24 of them name Fuel/Propulsion System — 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.
The fuel pump My car stopped on the highway on with my children in the car with no warning at all. I was so lucky nobody hit us and it took 20 minutes of trying to start it to get off of the highway to a gas station where it cut off again The dealer said it is a known problem however my vin number was included despite the fact that they…
2020 Mercedes-Benz S-Class · Fuel/Propulsion System · filed with NHTSA Oct 17, 2025 · ODI 11694134
Was traveling to Ft. Worth to babysit my grandchildren and when I was on the freeway in afternoon traffic my car was not accelerating and I kept stepping on the gas and the car started to get slower and then all of a sudden it completely stopped in the middle of traffic(I didn't pull over to the side like Mercedes stated, it stopped in…
2023 Mercedes-Benz AMG GT · Fuel/Propulsion System · filed with NHTSA Jan 28, 2026 · ODI 11713955
The contact owns a 2021 Mercedes-Benz E350. The contact stated while driving at approximately 60 MPH, the check engine warning light illuminated, and the vehicle decelerated to 30 MPH. The vehicle was taken to the local mechanic who diagnosed that the fuel pump was faulty and needed to be replaced. The vehicle was not repaired.
2021 Mercedes-Benz E-Class · Fuel/Propulsion System · filed with NHTSA Jan 22, 2024 · ODI 11567020
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 fuel/propulsion system
Source: same model, same component group3 other manufacturer communications filed against these Mercedes-Benz models under the same component group (fuel/propulsion system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| LI47.10-P-079604 | Service bulletin | Jul 27, 2026 | Complaint Audible "slurping" operating noise from the fuel tank Cause Conditions: • The fuel tank is around half full • The secondary chambe… |
| LI47.10-P-079166 | Service bulletin | Sep 5, 2025 | Complaint A pulsating knocking noise (e.g. clattering) can be heard underneath the bench seat, particularly in the case of a full tank… |
| LI47.50-P-078804 | Service bulletin | Feb 21, 2025 | Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_… |
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 NCU - 2022070004 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 - 2022070004 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 - 2022070004 cover?
The manufacturer filed it against 45 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, 2020 Mercedes-Benz AMG GT, 2019 Mercedes-Benz AMG GT and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.