{"id":"2023_mercedes_benz_gls_class","make":"Mercedes-Benz","make_slug":"mercedes-benz","model":"GLS-Class","model_slug":"gls-class","year":2023,"url":"/mercedes-benz/gls-class/2023/","pts":["hev"],"configs":[{"id":45892,"model":"GLS450 4matic","pt":"hev","drive":"All-Wheel Drive","trany":"Automatic 9-spd","cyl":6,"displ":3.0,"eng":"SIDI; Mild Hybrid","turbo":true,"super":false,"start_stop":true,"city":18,"hwy":23,"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":"48V Li-Ion","fuel":"Premium","vclass":"Standard Sport Utility Vehicle 4WD","co2":433,"fe_score":4,"ghg_score":4,"fuel_cost":3900,"save_spend":-8250,"guzzler":false,"mfr_code":"MBX","modified":"Tue Jun 20 00:00:00 EDT 2023"},{"id":46302,"model":"GLS580 4matic","pt":"hev","drive":"All-Wheel Drive","trany":"Automatic 9-spd","cyl":8,"displ":4.0,"eng":"SIDI; Mild Hybrid","turbo":true,"super":false,"start_stop":true,"city":16,"hwy":21,"comb":18,"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":"48V Li-Ion","fuel":"Premium","vclass":"Standard Sport Utility Vehicle 4WD","co2":499,"fe_score":4,"ghg_score":4,"fuel_cost":4300,"save_spend":-10250,"guzzler":false,"mfr_code":"MBX","modified":"Tue Jun 20 00:00:00 EDT 2023"},{"id":46300,"model":"GLS600 4matic Maybach","pt":"hev","drive":"All-Wheel Drive","trany":"Automatic 9-spd","cyl":8,"displ":4.0,"eng":"SIDI; Mild Hybrid","turbo":true,"super":false,"start_stop":true,"city":15,"hwy":20,"comb":17,"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":"48V Li-Ion","fuel":"Premium","vclass":"Standard Sport Utility Vehicle 4WD","co2":528,"fe_score":3,"ghg_score":3,"fuel_cost":4550,"save_spend":-11500,"guzzler":false,"mfr_code":"MBX","modified":"Tue Jun 20 00:00:00 EDT 2023"},{"id":46299,"model":"AMG GLS63 4matic Plus","pt":"hev","drive":"All-Wheel Drive","trany":"Automatic 9-spd","cyl":8,"displ":4.0,"eng":"SIDI; Mild Hybrid","turbo":true,"super":false,"start_stop":true,"city":14,"hwy":19,"comb":16,"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":"48V Li-Ion","fuel":"Premium","vclass":"Standard Sport Utility Vehicle 4WD","co2":560,"fe_score":3,"ghg_score":3,"fuel_cost":4850,"save_spend":-13000,"guzzler":false,"mfr_code":"MBX","modified":"Tue Jun 20 00:00:00 EDT 2023"}],"vclass":"Standard Sport Utility Vehicle 4WD","segment":"Midsize / large SUV","recalls":[{"campaign":"24V207000","component":"ELECTRICAL SYSTEM:WIRING","mfr":"Mercedes-Benz USA, LLC","reported":"2024-03-15","owner_notified":"2024-05-03","units":116020,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles.  A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.","consequence":"An overheated ground connection can increase the risk of a fire.","remedy":"Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge.  Owner notification letters were mailed on May 3, 2024.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2024040002.","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":"2024040002","initiated_by":"MFR","variants":[],"severity":"critical"},{"campaign":"24V118000","component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE","mfr":"Mercedes-Benz USA, LLC","reported":"2024-02-16","owner_notified":"2024-03-29","units":105071,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles.  The transmission may not fully downshift in certain conditions, causing the engine to stall.","consequence":"An engine stall increases the risk of a crash.","remedy":"Dealers will update the transmission control unit software, free of charge.  Owner notification letters were mailed March 29, 2024.  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.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"minor"},{"campaign":"23V880000","component":"FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP","mfr":"Mercedes-Benz USA, LLC","reported":"2023-12-21","owner_notified":"2024-02-23","units":79676,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles.  Please refer to MBUSA's recall report for specific vehicle details.  The fuel pump may shutdown, causing a loss of drive power.","consequence":"A loss of drive power can increase the risk of a crash.","remedy":"Dealers will replace the fuel pump, free of charge.  Owner notification letters were mailed on June 28, 2024.  Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024.  Owners may contact MBUSA customer service at 1-800-367-6372.  This recall is an expansion of NHTSA recall number 23V-445.","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":"MFR","variants":[],"severity":"high"},{"campaign":"23V445000","component":"FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP","mfr":"Mercedes-Benz USA, LLC","reported":"2023-06-26","owner_notified":"2023-09-29","units":143551,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles.  Please refer to MBUSA's recall report for specific vehicle details.  The fuel pump may shutdown, which can result in a loss of drive power.","consequence":"A loss of drive power can increase the risk of a crash.","remedy":"Dealers will replace the fuel pump, free of charge.  Owner notification letters were mailed on June 14, 2024.  Owners may contact MBUSA customer service at 1-800-367-6372.  MBUSA's number for this recall is 2023070012.","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":"2023070012","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"23V178000","component":"STRUCTURE:BODY","mfr":"Mercedes-Benz USA, LLC","reported":"2023-03-17","owner_notified":"2023-05-05","units":70225,"summary":"Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 GLE350, GLE450, GLE580, GLS450, GLS580, Maybach GLS600, AMG GLE53, AMG GLE63 S, and AMG GLS63 vehicles.  The rear door window trim bars may detach from the vehicle while driving.","consequence":"Detached trim bars may cause a road hazard and increase the risk of a crash or injury.","remedy":"Dealers will inspect and secure the rear window trim bars, as necessary, free of charge.  Owner notification letters were mailed May 5, 2023.  Owners may contact MBUSA customer service at 1-800-367-6372.  This recall is an expansion of previous recall number 22V-680.  MBUSA's number for this recall is 2023040011.","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":"2023040011","initiated_by":"MFR","variants":[],"severity":"high"}],"recall_count":5,"critical_count":1,"park_outside":false,"do_not_drive":false,"score":58,"grade":"F","complaints":{"count":10,"crash":0,"fire":0,"injured":0,"deaths":0,"comps":[["Service Brakes",4],["Engine",4],["Forward Collision Avoidance",3],["Unspecified",2],["Electrical System",2],["Wheels",1]],"by_year":{"2023":3,"2024":4,"2025":2,"2026":1},"excerpts":[["2025-04-14","Service Brakes","The car recently underwent a software update at the dealership for a backup camera issue. When I was driving home on the highway, the car suddenly braked and the seat belts automatically tightened up. This happened 3 additional times on the highway about 5 days later. I had turned off the automatic braking system and i\u2026"],["2025-01-09","Structure","Rear door window trim on driver's side detached from vehicle while traveling at highway speed."],["2024-10-02","Service Brakes","There have been 3 incidents where the car responded to unknown stimuli by braking hard. 3 months ago it happened while making a left turn through an intersection, driving about 10 mph the brakes unexpectedly locked up, luckily the person behind me took evasive action and didn't hit me; 2 weeks later it happened again, \u2026"]]},"investigations":[],"ncap":[],"popularity":999,"headline":{"range":null,"mpg":20,"ncap":null,"complaints":10},"presskit_trims":[],"generated_at":"2026-09-11 05:01 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}