# Service bulletin LI82.85\-P\-079087 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: 11036190 - Published by NHTSA: 2026\-08\-14 - Manufacturer's number: LI82.85\-P\-079087 - Manufacturer's date: 2026\-08\-06 - NHTSA component: ELECTRICAL SYSTEM ## NHTSA's summary Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP Radio 4.Send2Car 5.Speech Detection Service 6.Navigation 7.iHeartRadio 8.Traffic Cams Cause MB Apps is sundowned for all vehicles with NTG4.5 and NTG5 Head Unit Variant. Remedy No support available for NTG4.5 and NTG5 Head Unit Variants for MB App related topics. Note: Please do not create TIPS. Please do not replace any components. HU/Hermes SW update / SCN coding will not fix the issue. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036190-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036190-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system ## Vehicles listed - 2018 MERCEDES BENZ C 300 4MATIC - 2002 to 2008 MERCEDES BENZ G500 - 2009 MERCEDES BENZ G550 - 2016 to 2023 MERCEDES\-BENZ AMG C43 - 2023 MERCEDES\-BENZ AMG C43 4MATIC - 2010 to 2021 MERCEDES\-BENZ AMG C63 - 2019 to 2023 MERCEDES\-BENZ AMG C63 S - 2015 to 2018 MERCEDES\-BENZ AMG C63S - 2014 to 2019 MERCEDES\-BENZ AMG CLA45 - 2017 to 2018 MERCEDES\-BENZ AMG E43 - 2019 to 2023 MERCEDES\-BENZ AMG E53 - 2019 to 2021 MERCEDES\-BENZ AMG E63 - 2023 MERCEDES\-BENZ AMG E63 S - 2014 to 2015 MERCEDES\-BENZ AMG E63S - 2018 to 2022 MERCEDES\-BENZ AMG E63S - 2003 to 2009 MERCEDES\-BENZ AMG G 55 - 2010 to 2011 MERCEDES\-BENZ AMG G55 - 2013 to 2024 MERCEDES\-BENZ AMG G63 - 2016 to 2018 MERCEDES\-BENZ AMG G65 - 2015 to 2019 MERCEDES\-BENZ AMG GLA45 - 2017 to 2023 MERCEDES\-BENZ AMG GLC43 - 2018 to 2021 MERCEDES\-BENZ AMG GLC63 - 2020 to 2021 MERCEDES\-BENZ AMG GLC63 S - 2018 to 2019 MERCEDES\-BENZ AMG GLC63S - 2017 to 2018 MERCEDES\-BENZ AMG GLE43 - 2017 to 2018 MERCEDES\-BENZ AMG GLE63 - 2018 MERCEDES\-BENZ AMG GLE63S - 2017 to 2019 MERCEDES\-BENZ AMG GLS63 - 2017 MERCEDES\-BENZ AMG S63 - 2020 MERCEDES\-BENZ AMG S63 - 2015 to 2016 MERCEDES\-BENZ AMG S63 4MATIC - 2015 to 2020 MERCEDES\-BENZ AMG S65 - 2014 to 2017 MERCEDES\-BENZ B 250E - 2017 to 2023 MERCEDES\-BENZ C 300 - 2021 to 2023 MERCEDES\-BENZ C 300 4MATIC - 2018 MERCEDES\-BENZ C 350 E - 2012 to 2015 MERCEDES\-BENZ C250 - 2015 to 2016 MERCEDES\-BENZ C300 - 2016 to 2017 MERCEDES\-BENZ C350E - 2015 MERCEDES\-BENZ C400 - 2016 to 2017 MERCEDES\-BENZ C450 - 2018 to 2019 MERCEDES\-BENZ CLA 250 - 2014 to 2017 MERCEDES\-BENZ CLA250 - 2018 to 2019 MERCEDES\-BENZ E 300 - 2020 to 2023 MERCEDES\-BENZ E 350 - 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 - 2019 to 2023 MERCEDES\-BENZ E 450 - 2019 to 2020 MERCEDES\-BENZ E 450 4MATIC - 2019 to 2020 MERCEDES\-BENZ E 450 4MATIC CABRIOLET - 2019 to 2020 MERCEDES\-BENZ E 450 4MATIC COUPE - 2019 to 2020 MERCEDES\-BENZ E 450 4MATIC WAGON - 2014 to 2016 MERCEDES\-BENZ E250 - 2017 MERCEDES\-BENZ E300 - 2011 to 2016 MERCEDES\-BENZ E350 - 2015 to 2017 MERCEDES\-BENZ E400 - 2013 to 2015 MERCEDES\-BENZ E400 HYBRID - 2010 to 2014 MERCEDES\-BENZ E550 - 2010 to 2015 MERCEDES\-BENZ E63 - 2019 to 2024 MERCEDES\-BENZ G 550 - 2010 to 2011 MERCEDES\-BENZ G550 - 2013 to 2018 MERCEDES\-BENZ G550 - 2013 to 2016 MERCEDES\-BENZ GL350 - 2013 to 2017 MERCEDES\-BENZ GL450 - 2013 to 2017 MERCEDES\-BENZ GL550 - 2013 to 2016 MERCEDES\-BENZ GL63 - 2015 to 2020 MERCEDES\-BENZ GLA 250 - 2018 to 2022 MERCEDES\-BENZ GLC 300 - 2023 MERCEDES\-BENZ GLC 300 4MATIC - 2018 MERCEDES\-BENZ GLC 350 E - 2020 MERCEDES\-BENZ GLC 350 E - 2016 to 2017 MERCEDES\-BENZ GLC300 - 2019 MERCEDES\-BENZ GLC350E - 2018 MERCEDES\-BENZ GLE 350 - 2016 MERCEDES\-BENZ GLE300D - 2016 to 2017 MERCEDES\-BENZ GLE350 - 2016 MERCEDES\-BENZ GLE350D - 2016 to 2017 MERCEDES\-BENZ GLE400 - 2017 MERCEDES\-BENZ GLE550 - 2016 to 2017 MERCEDES\-BENZ GLE550E - 2018 to 2019 MERCEDES\-BENZ GLS 450 - 2018 to 2019 MERCEDES\-BENZ GLS 550 - 2016 to 2017 MERCEDES\-BENZ GLS450 - 2017 MERCEDES\-BENZ GLS550 - 2018 to 2020 MERCEDES\-BENZ S 450 - 2018 to 2020 MERCEDES\-BENZ S 450 4MATIC - 2018 to 2020 MERCEDES\-BENZ S 560 4MATIC - 2018 to 2020 MERCEDES\-BENZ S 560 4MATIC COUPE - 2019 to 2020 MERCEDES\-BENZ S 560 E - 2014 to 2017 MERCEDES\-BENZ S550 - 2016 to 2017 MERCEDES\-BENZ S550 4MATIC - 2016 MERCEDES\-BENZ S550 HYBRID - 2015 MERCEDES\-BENZ S550E - 2017 MERCEDES\-BENZ S550E - 2015 to 2017 MERCEDES\-BENZ S600 - 2014 to 2017 MERCEDES\-BENZ S63 - 2018 to 2020 MERCEDES\-MAYBACH S 560 4MATIC - 2018 to 2020 MERCEDES\-MAYBACH S 650 - 2017 MERCEDES\-MAYBACH S550 - 2016 to 2017 MERCEDES\-MAYBACH S600 JSON: [/v1/bulletins/11036190](/v1/bulletins/11036190) [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%20LI82.85-P-079087&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11036190&vehicle=Service%20bulletin%20LI82.85-P-079087)