2021 Mercedes-Benz Glb 250: Recalls, Problems & MPG
Here are the deets on the 2021 Mercedes-Benz Glb 250: 11 recalls, 29 owner complaints and up to 26 mpg combined.
Recalls
11 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: 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.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The 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.
Body & structure Vehicle recall #21V232000 · 2021 · 2,362 vehicles
What's wrong: The wheel arch covers on the front fenders might not have been installed correctly, allow them to detach.
Why it matters: Detached wheel arch covers can create a road hazard, increasing the risk of a crash or injury.
The fix: Mbusa will notify owners, and dealers will check the installation of the front wheel arch covers and correct them as necessary, free of charge. Owner letters were mailed May 21, 2021.
Body & structure Vehicle recall #21V231000 · 2021 · 5,215 vehicles
What's wrong: The side spoilers on the tailgate might not have been installed correctly, allowing them to detach.
Why it matters: Detached spoilers can create a road hazard, increasing the risk of a crash or injury.
The fix: Mbusa will notify owners, and dealers will inspect and, if necessary, replace the side spoilers, free of charge. Owner letters were mailed July 2, 2021.
Backup camera, Electrical Vehicle recall #21V354000 · 2021 · 343,191 vehicles
What's wrong: 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."
Why it matters: A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
The 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.
Airbags Vehicle recall #21V860000 · 2021 · 46 vehicles
What's wrong: The driver-side window air bag May not have been mounted correctly to the lower area of the a-pillar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "ejection mitigation."
Why it matters: The driver-side window air bag May not function properly during a crash, increasing the risk of injury.
The fix: Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge. Owner notification letters were mailed December 2021.
Airbags Vehicle recall #22V078000 · 2022 · 50 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2021 glb 250 vehicles. These vehicles May be equipped with an incorrect front driver's air bag module.
Why it matters: An incorrect air bag module May not properly restrain an occupant during a crash. In addition, the air bag module could detach from the steering wheel during deployment. Either of these scenarios can increase the risk of injury in the event of a crash.
The fix: Dealers will inspect and replace the front driver's air bag, as necessary, free of charge. Owner notification letters were mailed March 25, 2022.
Backup camera Vehicle recall #22V232000 · 2022 · 126,443 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle model details. The rearview camera May not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "rear visibility."
Why it matters: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
The fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022.
Suspension, Exterior lights Vehicle recall #22V314000 · 2022 · 88 vehicles
What's wrong: The level sensor linkage on the rear axle might not have been installed properly, which could affect the headlight leveling function. Mbusa's number for this recall is 2022050011.
Why it matters: Improperly leveled headlights May project a glare, which can impact other drivers and increase the risk of a crash.
The fix: Dealers will inspect and repair the level sensor linkage, as necessary, free of charge. Owner notification letters were mailed June 10, 2022.
Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles
What's wrong: 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.
Why it matters: 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.
The 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.
Stability control Vehicle recall #22V679000 · 2022 · 4 vehicles
What's wrong: The electronic stability program (esp) unit May be damaged, which can result in disabled anti-lock brakes (ABS), disabled electronic stability control (esc), and an electrical short circuit.
Why it matters: Disabled anti-lock brakes and electronic stability control can increase the risk of a crash or injury. An electrical short circuit increases the risk of a fire.
The fix: Dealers will replace the esp unit, free of charge. Owner notification letters were mailed October 28, 2022.
Latches & locks Vehicle recall #26V481000 · 2026 · 310,667 vehicles
What's wrong: Please refer to mbusa's recall report for specific model information. The micro-switch in the driver's door lock May corrode and fail to detect an open door, preventing the electronic parking brake or "auto-park" feature from engaging automatically. This May result in a vehicle rollaway.
Why it matters: A vehicle rollaway increases the risk of a crash or injury.
The fix: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Other / unknown (10): the most common themes are noise or vibration (3).
- Engine (7): the most common themes are noise or vibration (3), warning light on (2).
- Suspension (4): the most common themes are noise or vibration (3).
- Electrical (4): the most common themes are electrical failure (3).
The 2021 Mercedes-Benz Glb 250 has 29 owner complaints, ranking #2 of 7 Glb 250 model years for complaints (1.8× the average Glb 250 year). Complaints peaked in 2025 (9 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 30,600 miles. Neighboring years: 2020 (54 complaints, 20 recalls), 2022 (11 complaints, 1 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo | Automatic (AM8) | Front-Wheel Drive | 23 | 31 | 26 | Premium |
Want the full repair deets? Get the factory manual.
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FAQ
Does the 2021 Mercedes-Benz Glb 250 have any recalls?
Yes. NHTSA lists 11 vehicle recalls for the 2021 Mercedes-Benz Glb 250. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2021 Mercedes-Benz Glb 250 problems?
Owners have filed 29 complaints with NHTSA. The most-reported areas are other / unknown (10), engine (7), suspension (4).
What gas mileage does the 2021 Mercedes-Benz Glb 250 get?
EPA ratings run up to 26 mpg combined (2.0 L, Automatic (AM8)), across 1 engine and transmission combos.
Where can I get a 2021 Mercedes-Benz Glb 250 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.