2020 Mercedes-Benz Glc300 Problems, Recalls & Reliability
Verdict
CautionComplaint Index
67/100
#4 most-complained of 10 Glc300 years
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
The 2020 Mercedes-Benz Glc300 has 69 owner complaints and 16 safety recalls on file with NHTSA. Its Complaint Index is 67 out of 100 — #4 highest of 10 Glc300 model years (verdict: Caution). The most reported problem area is engine (22 complaints, 32% of the total). Complaints report 3 crashes and 4 injuries.
- Complaints
- 69
- Recalls
- 16
- Crashes / fires
- 3 / 0
- Injuries / deaths
- 4 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 24
- 21 city / 28 hwy
Top 2020 Mercedes-Benz Glc300 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Engine22 (32%)
- Other15 (22%)
- Collision Avoidance & Cameras13 (19%)
- Electrical System10 (14%)
- Steering5 (7%)
- Fuel System4 (6%)
- Structure & Body4 (6%)
- Transmission & Powertrain4 (6%)
- Brakes3 (4%)
- Airbags2 (3%)
2020 Mercedes-Benz Glc300 recalls
16 NHTSA recall campaigns list this model year.
- NHTSA 24V070000Feb 2, 2024Electrical System15,502 vehicles
Exterior lighting:headlights
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 GLC 300, 2020 GLC 350e, and 2020-2022 AMG GLC 43 vehicles. The headlights may be incorrectly adjusted too high and create a glare for oncoming traffic. 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 aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.
Remedy: Dealers will inspect the headlight adjustment and correct it if necessary, free of charge. Owner notification letters were mailed February 23, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
- NHTSA 23V854000Dec 15, 2023Structure & Body2,976 vehicles
Structure:body:roof and pillars
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.
Risk: 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.
- NHTSA 22V365000May 20, 2022Electrical System242,722 vehiclesOver-the-air fix
Electrical system:software
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.
Remedy: 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.
2020 Mercedes-Benz Glc300 fuel economy and fuel cost
- City
- 21 MPG
- Highway
- 28 MPG
- Combined
- 24 MPG
- Annual fuel cost (EPA)
- $3,300
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2020 compared with other Glc300 years
Frequently asked questions
- Is the 2020 Mercedes-Benz Glc300 a reliable year?
- Judged by NHTSA owner complaints and recalls, the 2020 Mercedes-Benz Glc300 ranks #4 of 10 among Glc300 model years (Complaint Index 67/100, verdict: Caution). It has 69 complaints and 16 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
- What are the most common problems with the 2020 Mercedes-Benz Glc300?
- The most reported problem areas are engine (22 complaints), collision avoidance & cameras (13 complaints), and electrical system (10 complaints). The median mileage at the time of failure in complaints that report it is 21,250 miles.
- Does the 2020 Mercedes-Benz Glc300 have any recalls?
- Yes — NHTSA lists 16 recall campaigns for the 2020 Mercedes-Benz Glc300, most recently reported 2024, covering electrical system, structure & body, collision avoidance & cameras, and fuel system.
- What is the fuel economy of the 2020 Mercedes-Benz Glc300?
- EPA rates the 2020 Mercedes-Benz Glc300 at 24 MPG combined (21 city / 28 highway), with an estimated annual fuel cost of $3,300. Where several configurations exist, the median is shown.