AutoDefect IQ

2020 Mercedes-Benz Glb 250 problems, complaints & recalls

Most-reported problem areas: Structure:body (9) · Suspension (5) · Structure (4)

🧭 Reliability snapshot

53 /100
⚠ Known trouble spots — research carefully

Compared against other Mercedes-Benz Glb 250 model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 16 complaints 16 <25k 25–50k miles: 4 complaints 25–50k 50–75k miles: 3 complaints 50–75k 75–100k miles: 0 complaints 75–100k 100–125k miles: 0 complaints 100–125k 125–150k miles: 0 complaints 125–150k 150k+ miles: 0 complaints 150k+

23 NHTSA complaints that reported an odometer reading.

54
Complaints
20
Recalls
240
Service bulletins
3
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (20)

Latches/Locks/Linkages:doors:lock 2026-07-24 · campaign 26V481000 · 310,667 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. 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.

Risk: A vehicle rollaway increases the risk of a crash or injury.

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. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.

Service Brakes, Hydraulic:foundation Components:disc:pads 2023-11-01 · campaign 23V732000 · 42,742 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2020 A220, 2020 CLA250, GLB250, AMG A35, AMG CLA45, AMG CLA35, and 2021 GLA250 vehicles. The vehicles may not be equipped with an inspection gauge to check the wear of the rear brake pads. In addition, information for using this inspection gauge might not be included in the owner's manual. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."

Risk: Driving with worn brake pads can reduce braking ability, increasing the risk of a crash.

Fix: Dealers will install an inspection gauge and provide supplemental owner's manual information, free of charge. Owner notification letters were mailed on February 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

Communication: Auto Crash Notification 2022-05-20 · campaign 22V365000 · 242,722 vehicles

Defect: 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.

Back Over Prevention:display Function 2022-04-08 · campaign 22V232000 · 126,443 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. 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."

Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

Fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Steering 2021-12-17 · campaign 21V990000 · 38,312 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 AMG GLB35, 2019-2020 A220, and 2020 GLB250 vehicles. The integral carrier that supports the front axle may corrode, causing it to fail.

Risk: Front axle carrier failure may result in a loss of steering control, increasing the risk of a crash.

Fix: Dealers will inspect and replace the integral carrier, as necessary, free of charge. Owner notification letters were mailed July 29, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022070009.

Fuel System, Gasoline:fuel Injection System:injectors 2021-12-13 · campaign 21V961000 · 139 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles equipped with a gasoline engine. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.

Risk: A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.

Fix: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for the recall is 2022030003.

Air Bags: Air Bag/Restraint Control Module:software 2021-08-13 · campaign 21V639000 · 66 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. In the event of a crash, the air bag control unit software may not activate the front seat belts and front passenger air bag properly.

Risk: Air bags and seat belts that do not function properly can increase the risk of injury in a crash.

Fix: Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Electrical System:wiring:connectors/Plugs:accesory Power Outlet/Jack/Port/Usb/Sae/Cigarette Lighter 2021-07-12 · campaign 21V526000 · 1,690 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB 250 vehicles. The accessory power outlet for the second-row seating may have excessive voltage due to an incorrect voltage converter socket.

Risk: Excessive voltage through the accessory power outlet to a connected device can increase the risk of a fire.

Fix: Dealers will inspect and replace the voltage converter, as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021080005.

Exterior Lighting:headlights 2021-07-02 · campaign 21V509000 · 1,467 vehicles

Defect: Mercedes-Benz LLC (MBUSA) is recalling certain 2018-2020 C300, 2019-2020 A220, AMG C43, AMG C63, 2020 GLE580, GLB250, 2020-2021 GLE450, GLE350, 2021 AMG GLE63, and AMG GLE53 vehicles. The LED headlights may have been incorrectly adjusted during a vehicle repair. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.

Fix: Dealers will replace the LED headlights, free of charge. Interim letters notifying owners of the safety risk were mailed August 13, 2021. A second notice will be sent once the remedy is available. Owner notification letters were mailed January 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Structure 2021-05-28 · campaign 21V403000 · 5,680 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. Water may enter through the wheel well area into the front occupant foot wells, potentially damaging certain electrical components. This may result in the instrument cluster going blank, an engine stall while driving, or the vehicle may not start.

Risk: Either a blank instrument cluster display or an engine stall can increase the risk of a crash.

Fix: Dealers will seal the vehicle body in the wheel well area and inspect the front foot wells for water intrusion, repairing as necessary, free of charge. Owner notification letters were mailed July 20, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070009.

Air Bags:side/Window:curtain 2021-05-28 · campaign 21V404000 · 16 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. The side curtain air bags may not deploy properly during a crash.

Risk: Air bags that do not deploy as intended can increase the risk of injury.

Fix: Dealers will replace the side curtain air bags, free of charge. Owner notification letters were mailed on September 24, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Air Bags:passenger Side Frontal:cushion 2021-05-28 · campaign 21V405000 · 17 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. The front passenger air bag inflator and cushion may be improperly attached inside the air bag module, which could result in the air bag cushion tearing upon deployment.

Risk: An air bag that does not deploy properly during a crash can increase the risk of injury.

Fix: Dealers will replace the front passenger air bag module, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060011.

Back Over Prevention: Sensing System: Camera 2021-05-14 · campaign 21V354000 · 343,191 vehicles

Defect: 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 comp

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.

Structure:body:tailgate 2021-04-01 · campaign 21V231000 · 5,215 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB35 AMG, and 2020-2021 GLB250 vehicles. The side spoilers on the tailgate might not have been installed correctly, allowing them to detach.

Risk: Detached spoilers can create a road hazard, increasing the risk of a crash or injury.

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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021050009.

Structure:body 2021-04-01 · campaign 21V232000 · 2,362 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLB250 vehicles. The wheel arch covers on the front fenders might not have been installed correctly, allow them to detach.

Risk: Detached wheel arch covers can create a road hazard, increasing the risk of a crash or injury.

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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040015.

Communication: Auto Crash Notification 2021-02-05 · campaign 21V058000 · 1,292,258 vehicles

Defect: 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.

Air Bags:side/Window 2020-10-09 · campaign 20V628000 · 7 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB 250 vehicles. The window air bag in the A-pillar area may not be mounted correctly, affecting its performance. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "Ejection Mitigation."

Risk: In the event of a crash that deploys the window air bag, the catch strap could disconnect and increase the risk of injury.

Fix: MBUSA will notify owners, and dealers will check the mounting of the window air bag and correct it as necessary, free of charge. The recall began October 30, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020100010.

Seats:mid/Rear Assembly 2020-09-14 · campaign 20V558000 · 36 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. The second row seat may not be correctly aligned within the seat track on one side, possibly causing the seat to not lock properly into place.

Risk: If the second row seat is not locked into place, there could be an increased risk of injury to the seat occupants in a crash.

Fix: MBUSA will notify owners, and dealers will inspect the installation of the second row seat and correct it, if necessary, free of charge. The recall began October 23, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020090020.

Structure:body 2020-08-14 · campaign 20V480000 · 10,644 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. The rear spoiler above the tailgate may not have been welded correctly. This could result in parts of the spoiler detaching from the vehicle.

Risk: If the spoiler detaches while driving, it can become a road hazard, increasing the risk of a crash.

Fix: MBUSA will notify owners, and dealers will inspect the rear spoiler and replace it, if necessary, free of charge. The recall began October 23, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020090006.

Structure 2020-05-01 · campaign 20V246000 · 26 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB 250 vehicles. Water may enter through the wheel well area into the front occupant foot wells, potentially damaging certain electrical components. This may result in the instrument cluster going blank, or an engine stall while driving without the ability to restart the vehicle.

Risk: Either a blank instrument cluster display or an engine stall can increase the risk of a crash.

Fix: MBUSA will notify owners, and dealers will seal the vehicle body in the wheel well area and inspect the front foot wells for water intrusion, repairing as necessary, free of charge. The recall began July 31, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070009.

Service bulletins (240)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions

complaint slight creaking noises when steering. cause noises may come from one or more sleeves of the horn contact plate. remedy remove the horn contact plate and check the sleeves for noise; see attached video. if necessary, apply lubricant to the sleeves.

Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions

complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra

Electrical System 2026-09-15 · LI82.60-P-080383 · Service Bulletin/Repair Instructions

complaint radio station cover art does not refresh when switching stations. the ui continues to show the old station’s artwork instead of updating to the new one. cause when a new station change request is triggered, a temporary glitch is causing the head unit application to fail to overwrite the pr

Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Power Train 2026-08-29 · LI 27.10-P-080851 · Service Bulletin/Repair Instructions

complaint intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. may be most noticeable when transitioning from a coasting condition to accelerator pedal application. may occur in all drive modes. cause dual‑clutch tran

Electrical System 2026-08-29 · LI27.19-P-080869 · Service Bulletin/Repair Instructions

complaint temporary no start condition with check engine light and multiple warning messages. when performing a quick test, the following fault code is stored in y3/14 ‑ transmission control for 8‑speed dual‑clutch transmission (dkg): p24f100 the wake‑up line of the control unit has a short circuit

Showing the 6 most recent of 240 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-09-30 · Structure:body

“subject: urgent: safety recall campaign 26v481 / xxx– unreasonable remedy delay and economic hardship (vin: [xxx]). i am formally logging a safety complaint regarding the unreasonable delay by mercedes-benz in providing a remedy for nhtsa recall 26v481 (mercedes campaign xxx), affecting my vehicle (vin: [xxx]). the manufacturer reported this critic…”

2026-09-17 · Latches/Locks/Linkages · 70,000 mi

“the contact owns a 2020 mercedes-benz glb250. the contact received notification of nhtsa campaign: 26v481000 (latches/lock/linkages); however, the part for the recall repair was not available. the contact stated that while attempting to park the vehicle, the parking brake independently engaged. the abs warning light was illuminated. the vehicle was…”

2026-09-15 · Suspension · 💥 crash

“i am submitting this complaint because i believe the repair performed under nhtsa recall 21v990 / mercedes-benz campaign 2022070009 in may 2024 failed to adequately correct the safety defect identified in the recall.when driving my axle snapped causing my tire to pop out and me to loose control of the car causing a crash into the curb. i have since…”

2026-03-21 · Fuel/Propulsion System

“diagnostics performed and found electrical/component fault and possible wire damage to fuel pump. necc to drain tank and inspect replace fule pump if necc. oringally took one week prior and diagnostics led to the possiblility that the cylinder head was malfunctioning, which was a manufacturing defect and covered under an extended warranty, but now …”

2025-08-05 · Structure:body

“i am submitting this formal complaint regarding a serious safety incident involving my 2020 mercedes-benz glb, which directly reflects the defect outlined in recall 20v-480 (rear spoiler detachment). although my vin is not officially included in the affected range, the exact failure described in the recall occurred on my vehicle. on or about june …”

2025-07-10 · Structure:body

“see attached document for complaint.…”

2025-05-16 · Service Brakes, Hydraulic

“the contact owns a 2020 mercedes-benz glb250. the contact received notification of nhtsa campaign number: 23v732000 (service brakes, hydraulic, equipment); however, the part to do the recall repair was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the dealer was made awar…”

2025-04-06 · Suspension

“front and rear suspension/control arms appears to have squeaky noises when approaching a turn or going a speed bump.…”

2025-01-01 · Wheels

“cv joint axle. this car does not maintain its lane. drives misaligned and sounds like there is a cracking noise like something is breaking under driverside steering wheel. attention assist comes on often. this issue appeared shortly after purchasing 05/24. the vehicle had been inspected multiple times by mercedes. supposedly there were looks bolts …”

2024-12-18 · Vehicle Speed Control · 50,307 mi

“the contact owns a 2020 mercedes-benz glb250. the contact stated while the vehicle was at a stop light, the accelerator pedal was depressed however, the vehicle lunged backward. there was no warning light illuminated. the contact depressed the brake pedal to stop the vehicle. the vehicle was restarted; however, the failure recurred. the vehicle was…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes-Benz Glb 250 years