# Service bulletin CSR 520

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: 10199515
- Published by NHTSA: 2021\-07\-29
- Manufacturer's number: CSR 520
- Manufacturer's date: 2021\-07\-28
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; EQUIPMENT

## NHTSA's summary

Daimler Trucks North America LLC \(DTNA\), on behalf of its Freightliner Trucks Division, has decided that a defect that relates to motor vehicle safety exists on specific model year 2014 through 2019 Freightliner Business Class M2 vehicles manufactured October 17, 2013, through September 25, 2018 and equipped with a Mahle\-Bahr radiator. Contact your DTNA dealer to schedule a service date to perform the recall. Refer to the included communication from DTNA for additional information.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199515-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199515-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2014 to 2019 FREIGHTLINER BUSINESS CLASS M2

JSON: [/v1/bulletins/10199515](/v1/bulletins/10199515)

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