Every 2021 Mercedes-Benz GLS450 recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Fuel System, Gasoline · NHTSA 23V445000
Jun 26, 2023Fuel System, Gasoline:Delivery:Fuel Pump
- Problem
- 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.
- Risk
- A loss of drive power can increase the risk of a crash.
- Fix
- 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.
Full recall details for 23V445000 →Electrical System · NHTSA 22V365000
May 20, 2022Electrical System:SoftwareOver-the-air fix
- Problem
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
- Risk
- A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
- Fix
- The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Full recall details for 22V365000 →Back Over Prevention · NHTSA 21V354000
May 14, 2021Back Over Prevention: Sensing System: CameraOver-the-air fix
- Problem
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- Risk
- A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
- Fix
- The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.
Full recall details for 21V354000 →Electrical System · NHTSA 21V058000
May 2, 2021Electrical System:SoftwareOver-the-air fix
- Problem
- 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.
- Risk
- Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
- Fix
- 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.
Full recall details for 21V058000 →
2021 Mercedes-Benz GLS450 complaints and service bulletins
Owners filed 30 complaints with NHTSA about the 2021 Mercedes-Benz GLS450, reporting 1 crashes, 2 fires, 1 injuries. Mercedes-Benz has issued at least 272 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Electrical System14
- Unknown Or Other8
- Lane Departure4
- Engine3
- Forward Collision Avoidance2
- Seats2
Service bulletins by component
- Electrical System (134)
- Power Train (29)
- Visibility/Wiper (26)
- Steering (20)
- Structure (18)
- Equipment (16)
Read Mercedes-Benz GLS450 owner complaints and bulletins, every year
Public reports · not verifiedWhat people reported
Owners have filed 30 complaints with NHTSA about the 2021 Mercedes-Benz GLS450. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
Fire
“On [XXX], I was heading home from work traveling [XXX] on [XXX] through Atlanta's usual heavy traffic. I smelled smoke inside my car and saw fire flames coming from under my passenger seat. My initial reaction was to try to put the fire out with my hat without burning myself.”
2021 MERCEDES-BENZ GLS450May 16, 2025
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11661377
Injury reported
“I was driving only 30mph through my suburban neighborhood bringing my kids to school in the morning when a loud shotgun sound hit my car causing me to be distracted and distraught. My entire sunroof had exploded on me for no reason. Mercedes is currently undergoing a class action lawsuit for this.”
2021 MERCEDES-BENZ GLS450Sep 25, 2024
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11616529
Fire
“1. Unknown, smoke started coming from under the passenger side seat, car is a complete loss. 2. Smoke damaged my lungs, there was a large amount of exploding glass, and it could have led to a structure fire. 3. Not applicable 4. In process, but it was recalled for this issue 5. No”
2021 MERCEDES-BENZ GLS450Aug 25, 2024
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11610699
Crash
“I was driving and all of a sudden. The car felt like it was swirling left and right and I was trying my best to straighten the steering wheel, but it felt like I had no control of the car.”
2021 MERCEDES-BENZ GLS450Apr 20, 2024
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11584224
“Both rear wheels on this vehicle have developed cracks which leads to tire pressure loss. Apparently, this is a common issue with Mercedes' heavier vehicles like the GLS and S series sedans. To be clear, I did not hit anything. I did not do any unusual driving. Both rear tires are fine.”
2021 MERCEDES-BENZ GLS450Nov 24, 2025
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11701188
Check your GLS450 by VIN
Not every 2021 Mercedes-Benz GLS450 is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Mercedes-Benz dealer.
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