{"id":"2017_mercedes_benz_glc_class","make":"Mercedes-Benz","make_slug":"mercedes-benz","model":"GLC-Class","model_slug":"glc-class","year":2017,"url":"/mercedes-benz/glc-class/2017/","pts":["gas"],"configs":[{"id":37845,"model":"GLC300","pt":"gas","drive":"Rear-Wheel Drive","trany":"Automatic 9-spd","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":22,"hwy":28,"comb":24,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Small Sport Utility Vehicle 2WD","co2":364,"fe_score":5,"ghg_score":5,"fuel_cost":3250,"save_spend":-5000,"guzzler":false,"mfr_code":"MBX","modified":"Fri Sep 16 00:00:00 EDT 2016"},{"id":37853,"model":"GLC300 4matic","pt":"gas","drive":"4-Wheel Drive","trany":"Automatic 9-spd","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":21,"hwy":28,"comb":24,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Small Sport Utility Vehicle 4WD","co2":374,"fe_score":5,"ghg_score":5,"fuel_cost":3250,"save_spend":-5000,"guzzler":false,"mfr_code":"MBX","modified":"Fri Sep 16 00:00:00 EDT 2016"},{"id":38454,"model":"GLC300 4matic Coupe","pt":"gas","drive":"4-Wheel Drive","trany":"Automatic (S9)","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":22,"hwy":27,"comb":24,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Small Sport Utility Vehicle 4WD","co2":375,"fe_score":5,"ghg_score":5,"fuel_cost":3250,"save_spend":-5000,"guzzler":false,"mfr_code":"MBX","modified":"Wed Jan 25 00:00:00 EST 2017"},{"id":38417,"model":"AMG GLC43 4matic","pt":"gas","drive":"4-Wheel Drive","trany":"Automatic 9-spd","cyl":6,"displ":3.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":18,"hwy":24,"comb":20,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Small Sport Utility Vehicle 4WD","co2":443,"fe_score":4,"ghg_score":4,"fuel_cost":3900,"save_spend":-8250,"guzzler":false,"mfr_code":"MBX","modified":"Tue Nov 22 00:00:00 EST 2016"},{"id":38403,"model":"AMG GLC43 4matic Coupe","pt":"gas","drive":"4-Wheel Drive","trany":"Automatic 9-spd","cyl":6,"displ":3.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":18,"hwy":24,"comb":20,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Small Sport Utility Vehicle 4WD","co2":438,"fe_score":4,"ghg_score":4,"fuel_cost":3900,"save_spend":-8250,"guzzler":false,"mfr_code":"MBX","modified":"Thu Mar 16 00:00:00 EDT 2017"}],"vclass":"Small Sport Utility Vehicle 4WD","segment":"Compact SUV","recalls":[{"campaign":"23V854000","component":"STRUCTURE:BODY:ROOF AND PILLARS","mfr":"Mercedes-Benz USA, LLC","reported":"2023-12-15","owner_notified":"2024-03-22","units":2976,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles.  Please refer to MBUSA's recall report for specific vehicle details.  The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.","consequence":"A detached roof panel can become a road hazard, increasing the risk of a crash.","remedy":"Dealers will replace the front panel, free of charge.  Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024.  Owners may contact MBUSA customer service at 1-800-367-6372.  This recall is an expansion of NHTSA recall number 21V-197.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"ODI","variants":[],"severity":"high"},{"campaign":"21V197000","component":"STRUCTURE:BODY:ROOF AND PILLARS","mfr":"Mercedes-Benz USA, LLC","reported":"2021-03-19","owner_notified":"2021-09-03","units":15096,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof.  The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.","consequence":"The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.","remedy":"Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021.  Owners may contact MBUSA customer service at 1-800-367-6372.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2021070010","initiated_by":"ODI","variants":[],"severity":"high"},{"campaign":"21V072000","component":"COMMUNICATION","mfr":"Mercedes-Benz USA, LLC","reported":"2021-02-12","owner_notified":"2021-03-31","units":67,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles.    On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles.    The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.","consequence":"A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.","remedy":"MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge.  The recall began March 31, 2021.  Letters for the owners of the 9 additional vehicles were mailed July 9, 2021.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2021030005.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2021030005","initiated_by":"MFR","variants":[],"severity":"moderate"},{"campaign":"21V058000","component":"ELECTRICAL SYSTEM:SOFTWARE","mfr":"Mercedes-Benz USA, LLC","reported":"2021-02-05","owner_notified":"2021-03-12","units":1292258,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles.  Please refer to the Part 573 report for specific vehicle model details.  The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.","consequence":"Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.","remedy":"MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge.  The recall began March 12, 2021.  Owners may contact MBUSA customer service at 1-877-762-8267.  MBUSA's number for this recall is 2021020025.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2021020025","initiated_by":"MFR","variants":[],"severity":"minor"},{"campaign":"18V683000","component":"STRUCTURE:BODY:ROOF AND PILLARS","mfr":"Mercedes-Benz USA, LLC.","reported":"2018-10-01","owner_notified":"2018-11-02","units":4702,"summary":"Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2018 Mercedes-Benz GLC300 and GLC300 4Matic, 2018 GLC350e and GLC63 AMG 4Matic and 2017-2018 GLC43 AMG 4Matic vehicles.  The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.","consequence":"If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.","remedy":"MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge.  The recall began November 2, 2018.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2018100002.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2018100002","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"18V177000","component":"STRUCTURE:BODY:ROOF AND PILLARS","mfr":"Mercedes-Benz USA, LLC.","reported":"2018-03-15","owner_notified":"2018-04-25","units":121858,"summary":"Mercedes Benz USA LLC (MBUSA) is recalling certain 2017-2018 GLC43 AMG, 2016-2018 GLC300 4Matic, 2016-2018 GLC300, 2018 GLC63 AMG 4Matic, and 2018 GLC350e 4Matic vehicles.  The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.","consequence":"If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.","remedy":"MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge.  The recall is expected to begin May 14, 2018.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2018030012.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2018030012","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V819000","component":"EXTERIOR LIGHTING:HEADLIGHTS","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-12-18","owner_notified":"2018-01-12","units":8134,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016-2017 GLC300, GLC300 4MATIC and GLC43 4MATIC vehicles.  These vehicles may have misadjusted headlights, possibly resulting in the low beam headlights insufficiently illuminating the roadway.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, \"Lamps, Reflective Devices, and Associated Equipment.\"","consequence":"An insufficiently illuminated roadway may increase the risk of a crash.","remedy":"MBUSA will notify owners, and dealers will inspect the headlamp adjustment, adjusting it as necessary, free of charge.  The recall began on January 12, 2018.  Owners may contact MBUSA customer service at 1-877-496-3691.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V715000","component":"VISIBILITY:SUN/MOON ROOF ASSEMBLY","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-11-14","owner_notified":"2017-12-08","units":9379,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 GLC300, GLC300 4Matic, and GLC43 AMG vehicles.  The fixed panoramic sun roof frontal and side plastic panels may have insufficient bonding, allowing the panels to separate during vehicle operation.","consequence":"If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.","remedy":"MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge.  The recall is expected to begin December 2017.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2017110009.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2017110009","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V627000","component":"AIR BAGS:FRONTAL","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-10-06","owner_notified":"2017-12-06","units":495290,"summary":"Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic.  The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.","consequence":"If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.","remedy":"MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge.  The recall began in December 6, 2017.  Owners may contact MBUSA customer service at 1-877-496-3691.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2017110011","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V574000","component":"STEERING:ELECTRIC POWER ASSIST SYSTEM","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-09-19","owner_notified":"2017-11-10","units":4,"summary":"Mercedes-Benz USA, LLC. (MBUSA) is recalling one 2017 C43 AMG, one E300 4Matic sedan, one GLC300, and one E43 AMG 4Matic sedan.  These vehicles have electrical power steering control units with improperly welded contact pins.","consequence":"The improperly welded pins may lose contact, deactivating the power steering assist and increasing the risk of a crash.","remedy":"MBUSA will notify owners, and dealers will replace the electric power steering rack, free of charge.  The recall is expected to begin November 10, 2017.  Owners may contact MBUSA customer service at 1-877-496-3691.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V251000","component":"SEAT BELTS:PRETENSIONER","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-04-11","owner_notified":"2017-10-13","units":12743,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 C300, C300 4Matic, C300 Coupe, C300 Coupe 4Matic, C43 AMG, C43 AMG Coupe, C43 AMG Cabrio, C63 AMG, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, C63S Cabrio, GLC300, GLC300 4Matic, GLC43 AMG, S550, S550 4Matic, S550e, S600, S63 AMG 4Matic, S65, Mercedes-Maybach S550 4Matic, and Mercedes-Maybach S600 vehicles.  The affected vehicles have front seat seatbelt pretensioners that may not function properly in the event of a crash.   As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, \"Occupant Crash Protection,\" and 209, \"Seat Belt Assemblies.\"","consequence":"If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.","remedy":"MBUSA will notify owners, and dealers will replace the front seat belts, free of charge.  The recall began October 13, 2017.  Owners may contact MBUSA customer service at 1-800-367-6372.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"17V114000","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr":"Mercedes-Benz USA, LLC.","reported":"2017-02-23","owner_notified":"2017-08-31","units":307629,"summary":"Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016 C350e and GLC300 vehicles and 2016-2017 C450 4Matic AMG Sport and GLC300 4Matic vehicles.  In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle.","consequence":"If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.","remedy":"MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge.  The recall began August 31, 2017.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2017080002.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"2017080002","initiated_by":"MFR","variants":[],"severity":"critical"}],"recall_count":12,"critical_count":1,"park_outside":false,"do_not_drive":false,"score":35,"grade":"F","complaints":{"count":102,"crash":3,"fire":2,"injured":2,"deaths":0,"comps":[["Engine",37],["Electrical System",16],["Unspecified",14],["Fuel/Propulsion System",13],["Air Bags",10],["Seat Belts",8]],"by_year":{"2017":13,"2018":12,"2020":2,"2021":8,"2022":20,"2023":15,"2024":16,"2025":13,"2026":3},"excerpts":[["2025-05-13","Electrical System","Odometer Fraud. The contact purchased a 2017 Mercedes-Benz GLC43 AMG. The contact stated that while reviewing a Carfax report, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 74,000 and at the time of registration, it was discovere\u2026"],["2023-04-07","Power Train","One morning I was driving the GLC-300 about 45 mph, when suddenly the car went from 45mph to 0 in 3 seconds. The car stopped and it would not move forward. The car was towed to the Mercedes Benz dealership and it was discovered that front differential was broken. The car has 55k original miles and it's maintained very \u2026"],["2023-02-20","Forward Collision Avoidance","Collision prevention assist inoperative. Car at local Mercedes dealer. Told that a $317 software update was required to make system operative again. I do not understand how it is ethical for a corporation to alter their software, make a safety system inoperative, and the ask the customer to pay to make system operative\u2026"]]},"investigations":[{"action":"EA21002","component":"AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE","opened":"2021-09-17","closed":"","campaign":"","subject":"Desiccated Air Bag Inflator Rupture","summary":"From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate (\"PSAN\") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a \"desiccant\" (a substa"},{"action":"PE21001","component":"STRUCTURE:BODY:ROOF AND PILLARS","opened":"2021-01-08","closed":"2021-10-14","campaign":"21V197000","subject":"Front Roof Panel Detachment","summary":"On January 8, 2021, after ongoing review with Mercedes Benz, the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation (ODI) opened PE21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 Mercedes-Benz (Mercedes) C-Class vehicles.The subject front roof panel is a stationary panel composed of polycarbonate and is attached to the vehicle via adhesive at the time of manufacture. The panel is found on subject vehicles equipped with panoramic sunroofs. Over time, the subject panels may exhibit cosmetic degradation leading to replacement of the panel, a procedure which entails: removal of the old panel and adhe"}],"ncap":[],"popularity":94,"headline":{"range":null,"mpg":24,"ncap":null,"complaints":102},"presskit_trims":[],"generated_at":"2026-09-11 05:01 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}