# Service bulletin Launch NCU 20210

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: 10191256
- Published by NHTSA: 2021\-05\-03
- Manufacturer's number: Launch NCU 20210
- Manufacturer's date: 2021\-03\-26
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Mercedes\-Benz AG \(?MBAG?\), the manufacturer of Mercedes\-Benz vehicles, has determined that on certain MY 2020 C\-Class \(205\) and GLE\-Class \(167\) vehicles, the mixing ratio of coolant to antifreeze may not meet production specifications.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191256-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191256-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2020 MERCEDES\-BENZ C 300
- 2020 MERCEDES\-BENZ C 350
- 2020 MERCEDES\-BENZ C 350 E
- 2020 MERCEDES\-BENZ CLA 250
- 2020 MERCEDES\-BENZ CLS 450
- 2020 MERCEDES\-BENZ GLE 350
- 2020 MERCEDES\-BENZ GLE 350 E
- 2020 MERCEDES\-BENZ GLE 450
- 2020 MERCEDES\-BENZ GLE 580

JSON: [/v1/bulletins/10191256](/v1/bulletins/10191256)

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