# Other CL\-Exhaust Valve Assembly

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: Other
- NHTSA id: 11031736
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: CL\-Exhaust Valve Assembly
- Manufacturer's date: 2023\-09\-06
- NHTSA component: ENGINE

## 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 \("MBUSA"\) is extending the coverage for the exhaust valve assembly on your vehicle as follows: Why the warranty extension? On certain Model Year 2011\-2016 CL/CLS/S/E/ML/SL/G/GL/GLE\-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the check engine Malfunction Indicator Lamp \('MIL'\). Any repairs under this warranty extension must be performed by an authorized Mercedes\-Benz dealership. If your preferred authorized Mercedes\-Benz dealership performs a diagnosis and confirms that your vehicle has the issue, the repair will be covered under this extended warranty and performed at no cost to you. This extended warranty does not apply to any other components or conditions beyond the ones mentioned above, and standard warranty terms apply, including the exclusions with respect to additional expenses as identified in the Service and Warranty Information booklet.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-11031736-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-11031736-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2013 to 2015 MERCEDES\-BENZ AMG E63S
- 2013 to 2015 MERCEDES\-BENZ AMG G63
- 2016 MERCEDES\-BENZ AMG GLE43
- 2016 MERCEDES\-BENZ AMG GLE63
- 2012 to 2015 MERCEDES\-BENZ AMG ML63
- 2013 to 2016 MERCEDES\-BENZ AMG S63
- 2015 to 2016 MERCEDES\-BENZ AMG S63 4MATIC
- 2015 to 2016 MERCEDES\-BENZ AMG S65
- 2016 MERCEDES\-BENZ AMG SL63
- 2011 to 2014 MERCEDES\-BENZ CL550
- 2012 to 2014 MERCEDES\-BENZ CL600
- 2011 to 2014 MERCEDES\-BENZ CL63
- 2011 to 2014 MERCEDES\-BENZ CL65
- 2016 MERCEDES\-BENZ CLS 400
- 2016 MERCEDES\-BENZ CLS 550
- 2016 MERCEDES\-BENZ CLS 63S
- 2015 MERCEDES\-BENZ CLS400
- 2012 to 2015 MERCEDES\-BENZ CLS550
- 2012 to 2015 MERCEDES\-BENZ CLS63
- 2014 to 2015 MERCEDES\-BENZ CLS63S
- 2014 to 2016 MERCEDES\-BENZ E250
- 2012 to 2016 MERCEDES\-BENZ E350
- 2015 to 2016 MERCEDES\-BENZ E400
- 2013 to 2015 MERCEDES\-BENZ E400 HYBRID
- 2012 to 2016 MERCEDES\-BENZ E550
- 2012 to 2016 MERCEDES\-BENZ E63
- 2013 to 2015 MERCEDES\-BENZ G550
- 2013 to 2015 MERCEDES\-BENZ G63
- 2012 to 2016 MERCEDES\-BENZ GL450
- 2012 to 2015 MERCEDES\-BENZ GL550
- 2013 to 2015 MERCEDES\-BENZ GL63
- 2016 MERCEDES\-BENZ GLE300D
- 2016 MERCEDES\-BENZ GLE350
- 2016 MERCEDES\-BENZ GLE350D
- 2016 MERCEDES\-BENZ GLE400
- 2016 MERCEDES\-BENZ GLE450
- 2016 MERCEDES\-BENZ GLE63S
- 2015 MERCEDES\-BENZ ML250
- 2012 to 2015 MERCEDES\-BENZ ML350
- 2013 to 2015 MERCEDES\-BENZ ML400
- 2012 to 2015 MERCEDES\-BENZ ML550
- 2012 to 2013 MERCEDES\-BENZ S350
- 2011 to 2013 MERCEDES\-BENZ S400
- 2013 MERCEDES\-BENZ S450
- 2011 to 2016 MERCEDES\-BENZ S550
- 2016 MERCEDES\-BENZ S550 4MATIC
- 2016 MERCEDES\-BENZ S550 HYBRID
- 2015 MERCEDES\-BENZ S550E
- 2011 to 2013 MERCEDES\-BENZ S600
- 2015 to 2016 MERCEDES\-BENZ S600
- 2011 to 2012 MERCEDES\-BENZ S63
- 2014 to 2016 MERCEDES\-BENZ S63
- 2011 to 2013 MERCEDES\-BENZ S65
- 2015 to 2016 MERCEDES\-BENZ SL400
- 2013 to 2016 MERCEDES\-BENZ SL550
- 2013 to 2015 MERCEDES\-BENZ SL63
- 2013 to 2015 MERCEDES\-BENZ SL65

JSON: [/v1/bulletins/11031736](/v1/bulletins/11031736)

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