# Service bulletin ELW\- Intake Line

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: 10241531
- Published by NHTSA: 2023\-09\-01
- Manufacturer's number: ELW\- Intake Line
- Manufacturer's date: 2023\-08\-24
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ENGINE AND ENGINE COOLING

## NHTSA's summary

In our continuing efforts to assure the proper performance of Mercedes\-Benz products and to enhance the satisfaction of our customers, Mercedes\-Benz USA, LLC \(“MBUSA”\) is extending the warranty coverage on the intake line assembly in certain Model Year \(“MY”\) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years/150,000 miles \(whichever occurs first\) due to the following condition: •Under certain circumstances, the partial\-load ventilation valve \(a part of the intake line assembly\) may not work as intended,resulting in the illumination of the check engine Malfunction Indicator Lamp \(‘MIL’\). A faulty partial\-load ventilation valvemight also increase exhaust gas emission. Please be advised that all repairs being claimed under this extended warranty must have a Quick Test uploaded with the following fault code information and may be audited. •P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has amalfunction. All repairs found to be functioning properly or without proper documentation will be returned and the claim debited in full. Only the following damage codes and parts may be claimed for the aforementioned repairs: Damage Code\(s\): •0101D – Solenoid valve, crankcase ventilation system Part\(s\): •A 274 090 5600 80 – Intake Line Assembly \(inclusive of oil separator, partial load ventilation valve and full\-load ventilationvalve.\) •Where applicable, an ECU software update will be provided for certain vehicle variants. Time Allowed: • Intake Line Assembly : 5 hours 40 minutes • Software Update: 1 hour Please note that damage incurred from abuse, accidents, vandalism or other non\-warrantable causes that are not covered by the New Vehicle Limited Warranty are similarly not covered by this Extended Warranty.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241531-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241531-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Engine control module

## Trouble codes named

P052E

## Vehicles listed

- 2018 MERCEDES BENZ C 300 4MATIC
- 2017 to 2018 MERCEDES\-BENZ C 300
- 2018 MERCEDES\-BENZ C 350 E
- 2015 to 2016 MERCEDES\-BENZ C300
- 2016 to 2017 MERCEDES\-BENZ C350E
- 2018 to 2019 MERCEDES\-BENZ E 300
- 2017 MERCEDES\-BENZ E300
- 2016 to 2017 MERCEDES\-BENZ GLC
- 2018 to 2019 MERCEDES\-BENZ GLC 300
- 2018 to 2019 MERCEDES\-BENZ GLC 350
- 2018 MERCEDES\-BENZ GLC 350 E
- 2020 MERCEDES\-BENZ GLC 350 E
- 2016 to 2017 MERCEDES\-BENZ GLC300
- 2019 MERCEDES\-BENZ GLC350E
- 2018 to 2020 MERCEDES\-BENZ SLC 300
- 2017 MERCEDES\-BENZ SLC300
- 2016 MERCEDES\-BENZ SLK300

JSON: [/v1/bulletins/10241531](/v1/bulletins/10241531)

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