# Warranty extension EW \- BlueTEC Update

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: Warranty extension
- NHTSA id: 11031648
- Published by NHTSA: 2026\-04\-28
- Manufacturer's number: EW \- BlueTEC Update
- Manufacturer's date: 2021\-10\-05
- NHTSA component: ENGINE

## NHTSA's summary

Mercedes\-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty period shall be the greater of: \(i\) 10 years from the date of initial sale or 120,000 miles on the odometer, whichever occurs first; or \(ii\) 4 years or 48,000 miles from the date of installation of the Approved Emission Modification, whichever occurs first. If an owner or lessee has already paid to a have a repair performed related to any of the components listed below prior to the effective date of this Extended Modification Warranty, those repairs are not eligible for reimbursement. The Extended Modification Warranty coverage may be denied if an Eligible Vehicle has been altered with the use of any after\-market emission related components, parts, and/or software, or with the removal of any original emission related components, parts, and/or software, and such alteration\(s\) are likely to substantially affect the operation of the vehicle with the Approved Emission Modification, until the owner of such vehicle, at his or her expense, has reversed the alteration\(s\) such that the Approved Emission Modification will not be substantially affected. The Extended Modification Warranty will not cover: \-Any damage or malfunctions caused by the installation of non\-EPA or non\-CARB certified emission related parts, including damage or malfunction to parts needed for proper diagnosis of a covered part. \-Damage or malfunctions caused by or related to outside influence, such as damage due to an accident, or vehicle misuse or neglect. The Extended Modification Warranty includes parts and labor, and shall not void or supersede any existing warranty.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-11031648-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-11031648-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2009 MERCEDES BENZ E320
- 2009 MERCEDES BENZ GL350
- 2009 MERCEDES BENZ GLK350
- 2009 MERCEDES BENZ ML320
- 2009 MERCEDES BENZ ML350
- 2009 MERCEDES BENZ R320
- 2014 to 2016 MERCEDES\-BENZ E250
- 2009 to 2016 MERCEDES\-BENZ E350
- 2010 to 2011 MERCEDES\-BENZ GL320
- 2010 to 2016 MERCEDES\-BENZ GL350
- 2016 MERCEDES\-BENZ GLE300D
- 2016 MERCEDES\-BENZ GLE350D
- 2010 to 2015 MERCEDES\-BENZ GLK350
- 2015 MERCEDES\-BENZ ML250
- 2010 to 2011 MERCEDES\-BENZ ML320
- 2010 to 2015 MERCEDES\-BENZ ML350
- 2010 MERCEDES\-BENZ R320
- 2013 MERCEDES\-BENZ R320
- 2009 to 2012 MERCEDES\-BENZ R350
- 2012 to 2013 MERCEDES\-BENZ S350

JSON: [/v1/bulletins/11031648](/v1/bulletins/11031648)

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