# Service bulletin NCU\-2020070018

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: 10184797
- Published by NHTSA: 2020\-12\-28
- Manufacturer's number: NCU\-2020070018
- Manufacturer's date: 2020\-11\-12
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT

## NHTSA's summary

Mercedes\-Benz USA, LLC \(?MBUSA?\) has entered into an agreement with the United States Department of Justice \(DOJ\), the Environmental Protection Agency \(EPA\), the California Air Resources Board \(CARB\), and the California Attorney General?s Office \(CA AG\) regarding the emission control system in certain Mercedes\-Benz diesel vehicles. As part of this agreement, MBUSA will offer field measures referred to as the Approved Emission Modification \(?AEM?\) for the affected vehicles. As a result, certain vehicles covered under this notification cannot be sold or caused to be sold, or leased or caused to be leased, or introduced into commerce, or exported from the United States to another country, until after the AEM described in this notification is performed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184797-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10184797-9999.pdf)

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

## Components

Engine, Equipment and accessories, Exhaust and emissions

## Vehicles listed

- 2016 MERCEDES\-BENZ AMG GLC43
- 2016 MERCEDES\-BENZ AMG GLE63
- 2013 to 2015 MERCEDES\-BENZ AMG ML63
- 2013 to 2016 MERCEDES\-BENZ GL350
- 2013 to 2016 MERCEDES\-BENZ GL450
- 2013 to 2016 MERCEDES\-BENZ GL550
- 2013 to 2016 MERCEDES\-BENZ GL63
- 2014 to 2016 MERCEDES\-BENZ GLA 250
- 2016 MERCEDES\-BENZ GLC
- 2016 MERCEDES\-BENZ GLC300
- 2016 MERCEDES\-BENZ GLE350
- 2016 MERCEDES\-BENZ GLE400
- 2016 MERCEDES\-BENZ GLE450
- 2016 MERCEDES\-BENZ GLE550E
- 2016 MERCEDES\-BENZ GLE63S
- 2013 to 2015 MERCEDES\-BENZ GLK250
- 2013 to 2015 MERCEDES\-BENZ GLK350
- 2016 MERCEDES\-BENZ GLS450
- 2015 MERCEDES\-BENZ ML250
- 2013 to 2015 MERCEDES\-BENZ ML350
- 2013 to 2015 MERCEDES\-BENZ ML400
- 2013 to 2015 MERCEDES\-BENZ ML500
- 2013 to 2015 MERCEDES\-BENZ ML550

JSON: [/v1/bulletins/10184797](/v1/bulletins/10184797)

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