YearToAvoid

2018 Mercedes-Benz GLA 250 Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

91/100

#2 most-complained of 12 GLA 250 years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2018 Mercedes-Benz GLA 250 has 49 NHTSA complaints, 12 recalls, and a complaint index of 91, ranking 2nd worst of 12 model years. Top problem areas are Engine (24%) and Electrical System (20%), with median failure mileage around 30,000 and 28,398 miles respectively.

Complaints
49
Recalls
12
Crashes / fires
2 / 1
Injuries / deaths
1 / 0
NHTSA overall rating
Not rated
EPA combined MPG
26
23 city / 31 hwy

Top 2018 Mercedes-Benz GLA 250 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine12 (24%)
  2. Electrical System10 (20%)
  3. Other10 (20%)
  4. Airbags6 (12%)
  5. Fuel System6 (12%)
  6. Transmission & Powertrain6 (12%)
  7. Suspension, Wheels & Tires5 (10%)
  8. Collision Avoidance & Cameras4 (8%)
  9. Structure & Body4 (8%)
  10. Visibility & Wipers3 (6%)

What owners report

  • Owners report an electrical fire starting spontaneously while the vehicle was parked and unused, with fire damage tied to the electrical system.
  • Airbags failed to deploy during a crash despite the vehicle's advertised eight-airbag safety system.
  • Tire tread separated in chunks while driving at low speed on equipped Bridgestone Dueler tires.
  • A metallic clanging noise was heard from the rear of the vehicle at low speeds shortly after purchase.
  • The 12-volt battery drained repeatedly when the vehicle sat unused for extended periods, with no dashboard warning and no permanent fix offered.
  • The transmission unexpectedly shifted into neutral while the vehicle was stopped at a traffic light, requiring a tow.
2018 Mercedes-Benz GLA 250 complaints: complaints filed per month5Oct 2017May 2019Aug 2022Mar 2023Aug 2024Feb 2025Sep 2025Jun 2026
70 complaints filed with NHTSA from Oct 2017 to Sep 2026; peak Oct 2025 (5).

2018 Mercedes-Benz GLA 250 recalls

12 NHTSA recall campaigns list this model year.

  1. 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.

  2. 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.

  3. NHTSA 21V229000Apr 1, 2021Steering4,992 vehicles

    Steering

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 B250e, CLA250, 2017-2018 AMG CLA45, GLA250, and AMG GLA45 vehicles. The steering shaft bore hole for the universal joint bearing may allow excessive movement that, over time, could result in the separation of the bearing and universal joint.

    Risk: A separated universal joint bearing can cause a loss of steering control and increase the risk of a crash.

    Remedy: MBUSA will notify owners, and dealers will inspect, and as necessary, replace the steering shaft, free of charge. Owner notification letters were mailed July 23, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060001.

See all 12 recalls for the 2018 Mercedes-Benz GLA 250 →

2018 Mercedes-Benz GLA 250 fuel economy and fuel cost

City
23 MPG
Highway
31 MPG
Combined
26 MPG
Annual fuel cost (EPA)
$3,050
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.

2018 compared with other GLA 250 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201420152016201720182019202020212022202320242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016Avoid8249427
2017Good3629926
2018Avoid91491226
2019Caution73291126
2020Good279526.5

All Mercedes-Benz GLA 250 years: best and worst →

Frequently asked questions

Is the 2018 Mercedes-Benz GLA 250 reliable?
NHTSA data shows the 2018 GLA 250 has a complaint index of 91, the second-highest among the 12 model years covered, so it carries an Avoid verdict relative to other GLA 250 years.
What problems does the 2018 GLA 250 have?
The largest share of complaints involves the Engine (24%, median failure mileage 30,000) and Electrical System (20%, median failure mileage 28,398), followed by Airbags, Fuel System, and Transmission & Powertrain issues.
How many recalls does the 2018 GLA 250 have?
NHTSA lists 12 recalls for the 2018 GLA 250, covering areas including structure/body panel bonding, electrical communication modules, steering shaft bore holes, and seat belt anchor plates. None are do-not-drive recalls.
How does the 2018 GLA 250 compare to other years?
The 2018 model's complaint index of 91 is higher than the 2017 (36), 2019 (73), 2020 (27), 2021 (55), and 2023 (45) model years, though lower than the 2015 (100) model year.
What is the fuel economy of the 2018 GLA 250?
The 2018 GLA 250 is EPA-rated at 26 mpg combined (23 city / 31 highway), with an estimated annual fuel cost of $3,050.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.