# Service bulletin LI82.10\-P\-064766 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: 10177571 - Published by NHTSA: 2020\-07\-27 - Manufacturer's number: LI82.10\-P\-064766 - Manufacturer's date: 2020\-06\-30 - NHTSA component: EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING; EQUIPMENT ## NHTSA's summary Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Check housing cover of lamp unit for natural fogging or dew as per GI82.10\-P\-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the condensation has completely evaporated. 1.1. Order the required service covers by referring to the variant overview. 1.2. Remove lamp unit 1.3. Remove all grommets from vent openings. 1.4. Seal vent openings with sealing profile. Important: All openings must be sealed carefully for the pressure compensation membrane to work properly\! 1.5. Remove existing service cover 1.6. Place desiccant packs in new service covers and bolt down 1.7. Stick new diaphragm onto specified surface on service cover \[picture of service cover\] Note: The bonding surface must be clean and dry. 06 ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177571-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177571-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Equipment and accessories, Lighting, Headlights ## Vehicles listed - 2008 to 2009 MERCEDES BENZ C300 - 2008 to 2009 MERCEDES BENZ C350 - 2008 to 2009 MERCEDES BENZ C43 AMG - 2008 to 2010 MERCEDES BENZ C63 - 2009 MERCEDES BENZ C63 AMG - 2008 to 2009 MERCEDES BENZ CLS550 - 2008 to 2009 MERCEDES BENZ E320 - 2008 to 2009 MERCEDES BENZ E55 - 2008 to 2009 MERCEDES BENZ E550 - 2008 to 2009 MERCEDES BENZ ML320 - 2008 to 2009 MERCEDES BENZ ML350 - 2008 to 2009 MERCEDES BENZ ML550 - 2008 to 2009 MERCEDES BENZ ML63 - 2008 to 2009 MERCEDES BENZ R320 - 2008 to 2009 MERCEDES BENZ R500 - 2008 MERCEDES BENZ S550 - 2008 to 2009 MERCEDES BENZ S600 - 2008 to 2009 MERCEDES BENZ S63 - 2008 to 2009 MERCEDES BENZ S65 - 2017 MERCEDES BENZ SLK250 - 2008 to 2009 MERCEDES BENZ SLK280 - 2009 MERCEDES BENZ SLK300 - 2008 to 2009 MERCEDES BENZ SLK350 - 2008 to 2009 MERCEDES BENZ SLK55 - 2019 to 2020 MERCEDES\-BENZ A 220 - 2020 MERCEDES\-BENZ AMG A35 - 2016 to 2019 MERCEDES\-BENZ AMG C43 - 2010 to 2018 MERCEDES\-BENZ AMG C63 - 2015 to 2018 MERCEDES\-BENZ AMG C63S - 2014 to 2019 MERCEDES\-BENZ AMG CLA45 - 2008 to 2011 MERCEDES\-BENZ AMG CLS63 - 2008 to 2009 MERCEDES\-BENZ AMG E63 - 2018 to 2019 MERCEDES\-BENZ AMG E63 - 2012 to 2015 MERCEDES\-BENZ AMG ML63 - 2013 to 2020 MERCEDES\-BENZ AMG S63 - 2015 to 2016 MERCEDES\-BENZ AMG S63 4MATIC - 2015 to 2020 MERCEDES\-BENZ AMG S65 - 2020 MERCEDES\-BENZ AMG SLC43 - 2013 MERCEDES\-BENZ AMG SLK55 - 2015 MERCEDES\-BENZ AMG SLK55 - 2019 MERCEDES\-BENZ B 180 - 2019 MERCEDES\-BENZ B 200 - 2017 to 2019 MERCEDES\-BENZ C 300 - 2015 MERCEDES\-BENZ C200 - 2015 MERCEDES\-BENZ C220 - 2012 to 2016 MERCEDES\-BENZ C250 - 2010 to 2016 MERCEDES\-BENZ C300 - 2010 to 2017 MERCEDES\-BENZ C350 - 2011 MERCEDES\-BENZ C63 - 2018 to 2020 MERCEDES\-BENZ CLA 250 - 2012 to 2017 MERCEDES\-BENZ CLA250 - 2016 MERCEDES\-BENZ CLS 400 - 2016 MERCEDES\-BENZ CLS 550 - 2016 MERCEDES\-BENZ CLS 63S - 2015 MERCEDES\-BENZ CLS400 - 2010 to 2015 MERCEDES\-BENZ CLS550 - 2017 MERCEDES\-BENZ CLS550 - 2012 to 2015 MERCEDES\-BENZ CLS63 - 2014 to 2015 MERCEDES\-BENZ CLS63S - 2018 to 2019 MERCEDES\-BENZ E 300 - 2020 MERCEDES\-BENZ E 350 - 2018 MERCEDES\-BENZ E 400 - 2014 to 2015 MERCEDES\-BENZ E250 - 2016 to 2017 MERCEDES\-BENZ E300 - 2013 MERCEDES\-BENZ E330 - 2008 to 2017 MERCEDES\-BENZ E350 - 2015 to 2017 MERCEDES\-BENZ E400 - 2013 to 2015 MERCEDES\-BENZ E400 HYBRID - 2010 to 2017 MERCEDES\-BENZ E550 - 2010 to 2016 MERCEDES\-BENZ E63 - 2019 MERCEDES\-BENZ E63 - 2020 MERCEDES\-BENZ E63 AMG - 2020 MERCEDES\-BENZ GLB 200 - 2020 MERCEDES\-BENZ GLB 250 - 2010 to 2015 MERCEDES\-BENZ ML350 - 2010 to 2011 MERCEDES\-BENZ ML450 - 2010 to 2015 MERCEDES\-BENZ ML550 - 2010 to 2011 MERCEDES\-BENZ ML63 - 2010 MERCEDES\-BENZ R320 - 2013 MERCEDES\-BENZ R320 - 2008 to 2012 MERCEDES\-BENZ R350 - 2018 to 2020 MERCEDES\-BENZ S 450 - 2018 to 2020 MERCEDES\-BENZ S 550 - 2012 to 2013 MERCEDES\-BENZ S350 - 2010 to 2013 MERCEDES\-BENZ S400 - 2013 MERCEDES\-BENZ S450 - 2010 to 2017 MERCEDES\-BENZ S550 - 2010 to 2013 MERCEDES\-BENZ S600 - 2015 to 2017 MERCEDES\-BENZ S600 - 2010 to 2012 MERCEDES\-BENZ S63 - 2014 to 2018 MERCEDES\-BENZ S63 - 2010 to 2013 MERCEDES\-BENZ S65 - 2017 MERCEDES\-BENZ S65 AMG - 2018 to 2020 MERCEDES\-BENZ SLC 300 - 2016 to 2017 MERCEDES\-BENZ SLC300 - 2017 MERCEDES\-BENZ SLK 350 - 2014 to 2016 MERCEDES\-BENZ SLK250 - 2015 to 2016 MERCEDES\-BENZ SLK300 - 2012 to 2016 MERCEDES\-BENZ SLK350 - 2014 MERCEDES\-BENZ SLK55 - 2016 MERCEDES\-BENZ SLK55 AMG - 2013 MERCEDES\-BENz SLK250 JSON: [/v1/bulletins/10177571](/v1/bulletins/10177571) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20LI82.10-P-064766&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10177571&vehicle=Service%20bulletin%20LI82.10-P-064766)