# Service bulletin NCU \- Extended W

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: 10183259
- Published by NHTSA: 2020\-11\-30
- Manufacturer's number: NCU \- Extended W
- Manufacturer's date: 2020\-10\-30
- NHTSA component: ENGINE

## NHTSA's summary

Mercedes\-Benz AG \(?MBAG?\), the manufacturer of Mercedes\-Benz vehicles, has determined that on certain Model Year \(?MY?\) 2012\-2015 Mercedes\-Benz Model 204 and 172 vehicles \(C250 and SLK250\), the warranty on the camshaft adjuster will be extended from the original 4 years/50,000 miles to 10 years/120,000 miles \(whichever occurs first\) from the original warranty start date.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183259-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183259-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2012 to 2015 MERCEDES\-BENZ CLA250

JSON: [/v1/bulletins/10183259](/v1/bulletins/10183259)

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