2017 Mercedes-Benz Glc300 Problems, Recalls & Reliability
Verdict
BestComplaint Index
22/100
#8 most-complained of 10 Glc300 years
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
The 2017 Mercedes-Benz Glc300 ranks 8th out of 10 model years, with a complaint index of 22 and a "Best" verdict relative to other Glc300 years. It has 98 complaints, 12 recalls, and no reported deaths.
- Complaints
- 98
- Recalls
- 12
- Crashes / fires
- 3 / 2
- Injuries / deaths
- 2 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 24
- 22 city / 28 hwy
Top 2017 Mercedes-Benz Glc300 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Engine38 (39%)
- Electrical System16 (16%)
- Fuel System15 (15%)
- Other12 (12%)
- Airbags10 (10%)
- Seat Belts8 (8%)
- Visibility & Wipers8 (8%)
- Transmission & Powertrain7 (7%)
- Brakes5 (5%)
- Collision Avoidance & Cameras4 (4%)
What owners report
- Owners report the engine catching fire, in one case while parked in the driveway and in another while driving shortly after purchase.
- Some drivers describe the vehicle veering unexpectedly at low speed and crashing, with airbags deploying in at least one case.
- Brakes have squealed starting at low mileage, with owners reporting long delays getting replacement parts from dealers.
- Several owners describe recall parts, including an electrical system/engine cooling recall and a Takata airbag recall, taking an unreasonably long time to arrive.
- One airbag-related complaint describes the collision avoidance system failing to stop the vehicle before a crash, though airbags did not deploy.
2017 Mercedes-Benz Glc300 recalls
12 NHTSA recall campaigns list this model year.
- 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 21V197000Mar 19, 2021Structure & Body15,096 vehicles
Structure:body:roof and pillars
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. 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.
Risk: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
- NHTSA 21V072000Feb 12, 2021Other67 vehicles
Communication
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
2017 Mercedes-Benz Glc300 fuel economy and fuel cost
- City
- 22 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.
2017 compared with other Glc300 years
Frequently asked questions
- Is the 2017 Mercedes-Benz Glc300 reliable?
- Relative to other Glc300 model years, the 2017 ranks 8th out of 10 with a complaint index of 22 and a "Best" verdict, meaning fewer reported problems than most other years.
- What are the most common problems with the 2017 Mercedes-Benz Glc300?
- Engine issues account for 39 percent of complaints (38 of 98), followed by electrical system problems at 16 percent and fuel system issues at 15 percent.
- Does the 2017 Mercedes-Benz Glc300 have recalls?
- NHTSA lists 12 recalls for the 2017 Glc300, covering areas such as seat belts, visibility/wipers, electrical system, and structure/body, with none classified as do-not-drive.
- How does the 2017 Glc300 compare to other years?
- The 2016 Glc300 has the worst complaint index at 89 and an "Avoid" verdict, while 2019 and 2024 have the lowest complaint indexes at 0 and 11, both rated "Best."