Mercedes-Benz bulletin LI33.30-P-056665
What it saysComplaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). NHTSA’s full summary ↓
Mercedes-Benz filed this with NHTSA as a service bulletin dated Nov 15, 2025, received Sep 16, 2019, about the power train — 4 documents under this number: LI33 30-P-056665 and 3 more. It names 214 model years across Mercedes-Benz and smart (2016–2026). 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.
One page for every brand it was filed under. Each brand’s bulletins: Mercedes-Benz · smart.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationComplaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the problem is due to micromovement in the connection between the wheel bearing inner race and the joint housing of the side shaft. Note: The collar nut must always be replaced after being loosened and must be tightened to the specified torque. Remedy Coat contact surface of side shaft with wheel bearing with Molykote paint. To do this, proceed as follows: 1. Remove outboard side shafts (extract outer joint gearing from wheel hub) 2. Clean contact surface A (see picture file in attachment "Outer joint housing before") before coating with Molykote, using "spirit" (free of dust and grease) 3. Coat contact surface A (see image file in attachment "Outer joint housing after") using Molykote and leave to dry for one hour in removed condition 4. Reinstall side shafts Note: Before using the antifriction coating (Molykote), stir or shake it well (for at least 1 minute).
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| LI33.30-P-056665 | Service bulletin | Nov 15, 2025 | 11025648 | PDF, 250 KB |
| LI33.30-P-056665 | Service bulletin | May 21, 2025 | 11019018 | PDF, 250 KB |
| LI33.30-P-056665 | Service bulletin | Jan 16, 2025 | 11013298 | PDF, 250 KB |
| LI33 30-P-056665 | Service bulletin | Aug 5, 2019 | 10164810 | not found |
What the document itself lists
Part the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| A0009890152 | Low-friction paint (Molykote) 1 X | — | eBay Motors → |
Read by machine from the document NHTSA serves (4 pages), read Sep 30, 2026. A part number is shown only where it matches Mercedes-Benz’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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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 210 model years
and 114 more on this site: 2023 Mercedes-Benz CLS-Class, 2022 Mercedes-Benz CLS-Class, 2021 Mercedes-Benz CLS-Class, 2020 Mercedes-Benz CLS-Class, 2019 Mercedes-Benz CLS-Class, 2018 Mercedes-Benz CLS-Class, 2017 Mercedes-Benz CLS-Class, 2016 Mercedes-Benz CLS-Class, 2025 Mercedes-Benz E-Class, 2024 Mercedes-Benz E-Class, 2023 Mercedes-Benz E-Class, 2022 Mercedes-Benz E-Class, 2021 Mercedes-Benz E-Class, 2020 Mercedes-Benz E-Class, 2019 Mercedes-Benz E-Class, 2018 Mercedes-Benz E-Class, 2017 Mercedes-Benz E-Class, 2016 Mercedes-Benz E-Class, 2025 Mercedes-Benz EQB, 2024 Mercedes-Benz EQB, 2023 Mercedes-Benz EQB, 2022 Mercedes-Benz EQB, 2025 Mercedes-Benz EQE, 2024 Mercedes-Benz EQE, 2023 Mercedes-Benz EQE, 2025 Mercedes-Benz EQS, 2024 Mercedes-Benz EQS, 2023 Mercedes-Benz EQS, 2022 Mercedes-Benz EQS, 2025 Mercedes-Benz G-Class, 2024 Mercedes-Benz G-Class, 2023 Mercedes-Benz G-Class, 2022 Mercedes-Benz G-Class, 2021 Mercedes-Benz G-Class, 2020 Mercedes-Benz G-Class, 2019 Mercedes-Benz G-Class, 2018 Mercedes-Benz G-Class, 2017 Mercedes-Benz G-Class, 2016 Mercedes-Benz G-Class, 2016 Mercedes-Benz GL-Class, 2026 Mercedes-Benz GLA-Class, 2025 Mercedes-Benz GLA-Class, 2024 Mercedes-Benz GLA-Class, 2023 Mercedes-Benz GLA-Class, 2022 Mercedes-Benz GLA-Class, 2021 Mercedes-Benz GLA-Class, 2020 Mercedes-Benz GLA-Class, 2019 Mercedes-Benz GLA-Class, 2018 Mercedes-Benz GLA-Class, 2017 Mercedes-Benz GLA-Class, 2016 Mercedes-Benz GLA-Class, 2026 Mercedes-Benz GLB-Class, 2025 Mercedes-Benz GLB-Class, 2024 Mercedes-Benz GLB-Class, 2023 Mercedes-Benz GLB-Class, 2022 Mercedes-Benz GLB-Class, 2021 Mercedes-Benz GLB-Class, 2020 Mercedes-Benz GLB-Class, 2026 Mercedes-Benz GLC-Class, 2025 Mercedes-Benz GLC-Class, 2024 Mercedes-Benz GLC-Class, 2023 Mercedes-Benz GLC-Class, 2022 Mercedes-Benz GLC-Class, 2021 Mercedes-Benz GLC-Class, 2020 Mercedes-Benz GLC-Class, 2019 Mercedes-Benz GLC-Class, 2018 Mercedes-Benz GLC-Class, 2017 Mercedes-Benz GLC-Class, 2016 Mercedes-Benz GLC-Class, 2025 Mercedes-Benz GLE-Class, 2024 Mercedes-Benz GLE-Class, 2023 Mercedes-Benz GLE-Class, 2022 Mercedes-Benz GLE-Class, 2021 Mercedes-Benz GLE-Class, 2020 Mercedes-Benz GLE-Class, 2019 Mercedes-Benz GLE-Class, 2018 Mercedes-Benz GLE-Class, 2017 Mercedes-Benz GLE-Class, 2016 Mercedes-Benz GLE-Class, 2025 Mercedes-Benz GLS-Class, 2024 Mercedes-Benz GLS-Class, 2023 Mercedes-Benz GLS-Class, 2022 Mercedes-Benz GLS-Class, 2021 Mercedes-Benz GLS-Class, 2020 Mercedes-Benz GLS-Class, 2019 Mercedes-Benz GLS-Class, 2018 Mercedes-Benz GLS-Class, 2017 Mercedes-Benz GLS-Class, 2016 Mercedes-Benz GLS-Class, 2025 Mercedes-Benz S-Class, 2024 Mercedes-Benz S-Class, 2023 Mercedes-Benz S-Class, 2022 Mercedes-Benz S-Class, 2021 Mercedes-Benz S-Class, 2020 Mercedes-Benz S-Class, 2019 Mercedes-Benz S-Class, 2018 Mercedes-Benz S-Class, 2017 Mercedes-Benz S-Class, 2016 Mercedes-Benz S-Class, 2025 Mercedes-Benz SL-Class, 2024 Mercedes-Benz SL-Class, 2023 Mercedes-Benz SL-Class, 2022 Mercedes-Benz SL-Class, 2020 Mercedes-Benz SL-Class, 2019 Mercedes-Benz SL-Class, 2018 Mercedes-Benz SL-Class, 2017 Mercedes-Benz SL-Class, 2016 Mercedes-Benz SL-Class, 2020 Mercedes-Benz SLC-Class, 2019 Mercedes-Benz SLC-Class, 2018 Mercedes-Benz SLC-Class, 2017 Mercedes-Benz SLC-Class, 2016 Mercedes-Benz SLC-Class, 2016 Mercedes-Benz SLK-Class.
Also filed against model years this site has no page for: 2018 Mercedes-Benz A 220; 2020 Mercedes-Benz A000 970 1402; 2020 Mercedes-Benz A000 970 1802; 2020 Mercedes-Benz A000 970 2102; 2020 Mercedes-Benz AMG A45; 2022 Mercedes-Benz AMG C63 S; 2024 Mercedes-Benz AMG C63 S E; 2021 Mercedes-Benz AMG E53 S; 2023 Mercedes-Benz AMG E53E; 2022 Mercedes-Benz AMG E63; 2022 Mercedes-Benz AMG E63S; 2017 Mercedes-Benz AMG GT C Roadster; 2020 Mercedes-Benz AMG GT S; 2020 Mercedes-Benz AMG GT43; 2024 Mercedes-Benz AMG GT53E; 2022 Mercedes-Benz AMG GT63; 2022 Mercedes-Benz AMG GT63 S; 2024 Mercedes-Benz AMG GT63 S E; 2018 Mercedes-Benz AMG GTA; 2023 Mercedes-Benz AMG S 63 E 4MATIC+; 2024 Mercedes-Benz AMG S 63 E 4MATIC+; 2022 Mercedes-Benz AMG SL43; 2024 Mercedes-Benz AMG SL53E; 2024 Mercedes-Benz AMG SL63 S E; 2019 Mercedes-Benz AMG SL65; 2018 Mercedes-Benz B 160; 2019 Mercedes-Benz B 180; 2019 Mercedes-Benz B 200; 2019 Mercedes-Benz B 220; 2018 Mercedes-Benz B 250E; 2016 Mercedes-Benz B160; 2017 Mercedes-Benz B160; 2016 Mercedes-Benz C190; 2016 Mercedes-Benz C205; 2017 Mercedes-Benz C205; 2018 Mercedes-Benz C205; 2019 Mercedes-Benz C205; 2023 Mercedes-Benz CLE 300; 2023 Mercedes-Benz CLE 450; 2016 Mercedes-Benz CLE 63S; 2017 Mercedes-Benz E238; 2018 Mercedes-Benz E238; 2019 Mercedes-Benz E238; 2020 Mercedes-Benz EQC 400; 2021 Mercedes-Benz EQC 400 E; 2017 Mercedes-Benz GL350; 2017 Mercedes-Benz GL450; 2017 Mercedes-Benz GL550; 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; 2018 Mercedes-Benz S 550; 2019 Mercedes-Benz S 550; 2020 Mercedes-Benz S 550; 2017 Mercedes-Benz SLK 350.
smart 4 model years
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What owners reported
Source: NHTSA complaint databaseOwners of the 158 model years this bulletin names have filed 4,536 complaints with NHTSA since 2015. 251 of them name Power Train, Suspension — 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.
August 2024 Engine mount broke and almost crashed my car the dealership did this: Rear engine support replace Remove/install complete wheel Engine compartment paneling, bottom Centre remove/install The torque struts were replaced N torque strut fasteners It had 38,195 miles I had engine trouble while driving on June 24th and towed it to…
2020 Mercedes-Benz A-Class · Suspension · filed with NHTSA Jul 7, 2025 · ODI 11671828
The contact owns a 2016 Mercedes-Benz E350. The contact stated while shifting between the lower gears, the vehicle would shift roughly resulting in the vehicle jerking while driving. The contact stated no warning light was illuminated. The vehicle was taken to a local dealer where it was diagnosed with needing the transmission replaced.
2016 Mercedes-Benz E-Class · Power Train · filed with NHTSA Jan 21, 2022 · ODI 11448342
The contact owns a 2018 Mercedes-Benz E400 4MATIC. The contact received notification of NHTSA Campaign Number: 26V216000 (POWER TRAIN); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.
2018 Mercedes-Benz E-Class · Power Train · filed with NHTSA Oct 5, 2026 · ODI 11769084
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 power train
Source: same model, same component group59 other manufacturer communications filed against these Mercedes-Benz models under the same component group (power train), newest first. The eight newest are listed; the rest are on the Mercedes-Benz list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| LI27.00-P-073124 | Service bulletin | Sep 26, 2026 | Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic transmission) and 725.1… |
| NCU - 2026080002 | Service campaign | Sep 25, 2026 | Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the transmission control unit… |
| LI35.31-P-080353 | Service bulletin | Sep 14, 2026 | Complaint Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area during cornering. (figure 1) On the… |
| LI27.10-P-075869 | Service bulletin | Sep 14, 2026 | Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick te… |
| NCU - 2026060005 | Service campaign | Sep 11, 2026 | Issue The transmission control unit (VGS) in the automatic transmission does not comply with our currently valid specifications in the vehic… |
| LI 27.10-P-080851 | Service bulletin | Aug 29, 2026 | Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situat… |
| LI27.60-P-076554 | Service bulletin | Aug 26, 2026 | Complaint • Harsh 1‑2, 2‑3, and/or 3‑4 shift • Jerky shifting • Jolting when accelerating from stop Cause Insufficient software application… |
| LI27.19-P-080823 | Service bulletin | Aug 25, 2026 | Complaint Customers may report one or more of the following: • Transmission malfunction message • Check engine light illuminated • Shifts in… |
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 smart, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Mercedes-Benz LI33.30-P-056665 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 LI33.30-P-056665 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 LI33.30-P-056665 cover?
The manufacturer filed it against 214 model years across 2 brands (Mercedes-Benz and smart): 2022 Mercedes-Benz A-Class, 2021 Mercedes-Benz A-Class, 2020 Mercedes-Benz A-Class, 2019 Mercedes-Benz A-Class, 2026 Mercedes-Benz AMG GT, 2025 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.