Service bulletin LI01.20-P-076894
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11000623 |
| Published by NHTSA | 2024-06-01 |
| Manufacturer's number | LI01.20-P-076894 |
| Manufacturer's date | 2024-05-14 |
| Campaign id or software version | LI01.20-P-076894 |
| NHTSA component | ENGINE |
NHTSA's summary
Complaint Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction Cause The partial-load ventilation valve (a part of the intake line assembly) may not work as intended. Remedy Model year 2015-2018 (non-hybrid), and ALL model year 172 and hybrid variants Performed guided test for fault code P052E71. Replace intake line assembly if necessary per results of the guided test. This LI will be updated once the software solution is available for hybrid and model year 2015-2018 vehicles. Model year 2019 (Except model 172 and hybrid variants) Perform software update for N3/10 Engine control unit. Replacement of intake line assembly is not required. This LI is in relation to NCU dated 8/31/2023 "Emission Extended Warranty – Intake Line Assembly".
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
Trouble codes named
P052E
| MERCEDES-BENZ C 300 | 2017 to 2018 |
|---|---|
| MERCEDES-BENZ C 350 E | 2018 |
| MERCEDES-BENZ C300 | 2015 to 2016 |
| MERCEDES-BENZ C350E | 2016 to 2017 |
| MERCEDES-BENZ E 300 | 2018 to 2019 |
| MERCEDES-BENZ E300 | 2017 |
| MERCEDES-BENZ GLC 300 | 2018 to 2019 |
| MERCEDES-BENZ GLC 350 E | 2018 |
| MERCEDES-BENZ GLC 350 E | 2020 to 2021 |
| MERCEDES-BENZ GLC300 | 2016 |
| MERCEDES-BENZ SLC 300 | 2018 to 2020 |
| MERCEDES-BENZ SLC300 | 2017 |
| MERCEDES-BENZ SLK300 | 2016 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.