# Other CL\- Outside Temp EW

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: 11031729
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: CL\- Outside Temp EW
- Manufacturer's date: 2019\-03\-20
- NHTSA component: ENGINE

## NHTSA's summary

The purpose of this letter is to advise you of additional benefits that Mercedes\-Benz is providing to you regarding your vehicle ownership. What’s Included In our continuing efforts to assure the proper performance of Mercedes\-Benz products and to enhance the satisfaction of our customers, Mercedes\-Benz is extending the warranty of the engine control unit software for fault codes related to the outside temperature sensor for the affected vehicles to a total of 10 years or 120,000 miles \(whichever occurs first\) from the vehicle’s original New Vehicle Limited Warranty start date. This addendum to the ECU software coverage applies to the vehicle regardless of ownership. This warranty extension only covers updates of the engine control unit \(ECU\) software to resolve faults related to the outside temperature sensor. The following vehicles are included:

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-11031729-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-11031729-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2018 MERCEDES BENZ C 300 4MATIC
- 2016 to 2018 MERCEDES\-BENZ AMG C43
- 2016 to 2018 MERCEDES\-BENZ AMG GLC43
- 2016 to 2018 MERCEDES\-BENZ AMG GLE43
- 2017 to 2018 MERCEDES\-BENZ C 300
- 2015 to 2016 MERCEDES\-BENZ C300
- 2014 to 2017 MERCEDES\-BENZ CLA250
- 2016 MERCEDES\-BENZ CLS 400
- 2015 MERCEDES\-BENZ CLS400
- 2018 MERCEDES\-BENZ E 300
- 2018 MERCEDES\-BENZ E 400
- 2018 MERCEDES\-BENZ E 400 4MATIC
- 2018 MERCEDES\-BENZ E 400 4MATIC CABRIOLET
- 2018 MERCEDES\-BENZ E 400 4MATIC COUPE
- 2018 MERCEDES\-BENZ E 400 4MATIC WAGON
- 2016 to 2017 MERCEDES\-BENZ E300
- 2015 to 2017 MERCEDES\-BENZ E350
- 2015 to 2017 MERCEDES\-BENZ E400
- 2015 MERCEDES\-BENZ E400 HYBRID
- 2015 to 2016 MERCEDES\-BENZ GLA 250
- 2018 MERCEDES\-BENZ GLC 300
- 2016 to 2017 MERCEDES\-BENZ GLC300
- 2018 MERCEDES\-BENZ GLE 400
- 2016 to 2017 MERCEDES\-BENZ GLE400
- 2015 MERCEDES\-BENZ ML400

JSON: [/v1/bulletins/11031729](/v1/bulletins/11031729)

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