What are the most common Mercedes-Benz GLA problems?
According to Au7o's analysis of 2,400+ owner reports, the 2015-2023 Mercedes-Benz GLA has 3 documented issues. The most frequently reported are: Water Pump Failure, Turbo Coolant Line Leak, Transfer Case Noise (AWD Models). Of these, 1 is rated critical and should be addressed promptly.
Is the Mercedes-Benz GLA reliable?
The 2015-2023 Mercedes-Benz GLA has 3 known issues documented across 2,400+ owner reports. 1 issue is rated critical: Water Pump Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mercedes-Benz GLA problems?
Repair costs for known Mercedes-Benz GLA issues range from $150 to $2,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Water Pump Failure, typically costs $400-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year Mercedes-Benz GLA is the most reliable?
Reliability varies across model years of the Mercedes-Benz GLA. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2015-2023 Mercedes-Benz GLA with 3 documented issues documented across 2,400+ owner reports.
What is the 2015-2020 Mercedes-Benz GLA Water Pump Failure?
The electric water pump on the M270 engine fails, causing loss of coolant circulation and rapid overheating. The pump motor or impeller breaks, and failure is often sudden with no warning. Common between 50,000-90,000 miles. Repairs typically run $400-$1,200. Severity: high.
What is the 2015-2020 Mercedes-Benz GLA Turbo Coolant Line Leak?
The turbo coolant lines on the M270 engine develop leaks at the quick-connect fittings, causing coolant loss and potential overheating. The plastic connectors become brittle from heat cycling and crack. Repairs typically run $150-$600. Severity: medium.
What is the 2015-2023 Mercedes-Benz GLA Transfer Case Noise (AWD Models)?
The 4MATIC transfer case on the GLA develops a whining or humming noise at highway speeds. The noise is caused by gear wear inside the power take-off unit that distributes torque to the rear axle. More common on vehicles that have seen off-road use or aggressive driving. Repairs typically run $200-$2,000. Severity: medium.
