Mercedes-Benz bulletin LI54.30-N-079757
What it saysEngine Oil Level Cannot Be Checked via Instrument Cluster Service Menu Complaint Sometimes the engine oil level cannot be determined using the instrument cluster's service menu. NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a service bulletin dated Sep 26, 2025, received Oct 7, 2025. It names 9 model years (2016–2024). A service bulletin 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 communicationEngine Oil Level Cannot Be Checked via Instrument Cluster Service Menu Complaint Sometimes the engine oil level cannot be determined using the instrument cluster's service menu. The following mes- sages may be displayed: •Engine oil level currently inoperative. See Attachment: Message "Engine oil level currently inoperative" (shown in German on model 907 with code C6L (Multifunction steering wheel)). •Engine oil level measurement is running. Repeat the query after a maximum of 30 minutes of driving time. Information: It is still possible to determine the engine oil level via the workshop menu or XENTRY Diagnostics. Cause No current value for the saved oil volume has been stored in the drivetrain control unit (CPC, N127). Remedy 1. Connect diagnostic device (see AD00.00-D-2000-06TS for model 907). •Always use the latest XENTRY Diagnostics software release with all available add-ons. •Follow all operation steps in XENTRY Diagnosis precisely. 2. Perform initial quick test (see AD00.00-D-2000-06TS for model 907). •Print out the initial quick test as a PDF file and attach it to the order in a tamperproof manner. 3. Create and save the control unit log for drivetrain control unit (CPC, N127). •Print out the control unit log as a PDF file and attach it to the order in a tamperproof manner. •Check the saved oil volume in the "Maintenance data" tab of the control unit log. See Attachment: Saved oil volume in "Maintenance data" tab of the control unit log (shown in German). •If the saved oil volume in the "Maintenance data" tab is more than 0.0 liters and it is not possible to determine the en- gine oil level via the service menu, conduct further research on the exact reason for the customer complaint and initia- te corresponding repair measures. •If the saved oil volume is 0.0 liters, proceed with operation step 4. 4. Check actual values for engine oil level in the engine control unit and observe any relevant information and descrip- tions in XENTRY Diagnosis. •Quick test view → Engine control unit → Actual values → Oil circuit → Oil level gauge 5. Clear fault memory (see AD00.00-D-2000-06TS for model 907). 6. Disconnect diagnostic device (see AD00.00-D-2000-06TS for model 907). 7. Carry out a test drive of more than 30 minutes, run the vehicle in idle for approximately 3 minutes on a level sur- face, switch the ignition off and on again, and then record the
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| LI54.30-N-079757 | Service bulletin | Sep 26, 2025 | 11023983 | PDF, 215 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 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 9 model years this bulletin names have filed 543 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.
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 LI54.30-N-079757 a recall?
No. A service bulletin 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 LI54.30-N-079757 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 LI54.30-N-079757 cover?
The manufacturer filed it against 9 model years: 2024 Mercedes-Benz Sprinter, 2023 Mercedes-Benz Sprinter, 2022 Mercedes-Benz Sprinter, 2021 Mercedes-Benz Sprinter, 2020 Mercedes-Benz Sprinter, 2019 Mercedes-Benz Sprinter and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.