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Mercedes-Benz says the passenger airbag status displays can give contradictory messages.

Posted in Recalls

Mercedes Recalls 104,600 Vehicles For Wacky Airbag Indicators
Mercedes-Benz says the passenger airbag status displays can give contradictory messages.

— Mercedes-Benz is recalling more than 104,600 vehicles because the passenger airbag lights can indicate the airbags are active when they aren't.

The airbag displays may also show the passenger airbags are turned off and on at the same time.

  • 2018 Mercedes-Benz C300 Cabriolet
  • 2018 Mercedes-Benz C300 Coupe
  • 2018 Mercedes-Benz C300 4Matic Cabriolet
  • 2018 Mercedes-Benz C300
  • 2018 Mercedes-Benz C300 4Matic Coupe
  • 2018 Mercedes-Benz C300 4Matic
  • 2018 Mercedes-Benz C43 AMG Cabriolet
  • 2018 Mercedes-Benz C43 AMG Coupe
  • 2018 Mercedes-Benz C63 S AMG Cabriolet
  • 2018 Mercedes-Benz C350e Plug-In Hybrid
  • 2018 Mercedes-Benz C63 AMG Cabriolet
  • 2018 Mercedes-Benz C63 AMG Coupe
  • 2018 Mercedes-Benz C63 S AMG Coupe
  • 2018 Mercedes-Benz C63 AMG
  • 2018 Mercedes-Benz C63 S AMG
  • 2018-2019 Mercedes-Benz GLC300 4Matic Coupe
  • 2018-2019 Mercedes-Benz GLC300
  • 2018-2019 Mercedes-Benz GLC63 AMG Coupe
  • 2018-2019 Mercedes-Benz GLC300 4Matic
  • 2018-2019 Mercedes-Benz GLC350e Plug-In Hybrid
  • 2018-2019 Mercedes-Benz GLC43 AMG Coupe
  • 2018-2019 Mercedes-Benz GLC43 AMG
  • 2018-2019 Mercedes-Benz GLC63 S AMG Coupe
  • 2018-2019 Mercedes-Benz GLC63 AMG

The C-Class and GLC vehicles are equipped with audio head units and automatic child seat recognition, but software errors can cause the airbag systems to display the incorrect status warnings.

Mercedes launched an investigation in February 2018 based on a report that described a vehicle that showed the airbag was both on and off at the same time. Engineers determined signal errors between the head units, seat mats and displays caused the problem. But the primary problem was found in potential timing issues of the head units.

Additional tests conducted by Mercedes and the supplier confirmed the passenger airbag status messages can provide occupants contradictory information, a problem that was repaired during production when the head unit software was changed. That occurred on October 12, 2018, so no vehicles after that date are included in the recall.

The Mercedes-Benz recall is expected to begin January 2, 2019. Dealers will update the audio head unit software, but customers with questions should call 800-367-6372.


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