
2021 Mercedes-Benz GLA 250
Problems, Recalls & Reliability Report
Quick Summary
The 2021 Mercedes-Benz GLA 250 has 26 owner complaints filed with NHTSA — that's 0.6x the segment average of 41. The most common issue is engine problems (19% of all complaints), specifically: i purchased this car approx 3 months after real issues began. my car would have issues idling where it would sometimes turn off at stop lights and require multiple reignition attempts before proceeding. this would also happen when the auto-start feature (anti-idle/gas saving) was engaged (which is . There are 5 recalls issued for this model year.
26
Total Complaints
5
Recalls Issued
—/5
Safety Stars
0.6x
vs Segment Avg
Known Problems(top 5 of 8)
ENGINE
5 complaints- • I purchased this car approx 3 months after real issues began. My car would have issues idling where it would sometimes turn off at stop lights and require multiple reignition attempts before proceeding. This would also happen when the auto-start feature (anti-idle/gas saving) was engaged (which is
- • Engine misfired in operation requiring an emergency stop while on a mountain road. Severe check engine light turned on (Mercedes has a two stage check engine light). Vehicle was parked for 20 minutes and battery was disconnected. This appeared to fix the issue. Vehicle was brought to dealer. Dealer
- • I am reporting a potential safety and mechanical defect involving the cylinder head in the Mercedes-Benz GLA 250. Many owners, including myself, have experienced premature cylinder head failure, often without warning, leading to loss of power, engine misfires, rough idling, and in some cases, sudden
“I purchased this car approx 3 months after real issues began. My car would have issues idling where it would sometimes turn off at stop lights and require multiple reignition attempts before proceeding. This would also happen when the auto-start feature (anti-idle/gas saving) was engaged (which is ”
— NHTSA complaint filing
Recalls (5)
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.
Fuel Cost Calculator for 2021 Mercedes-Benz GLA 250
Live EIA pricesBased on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.
5-Year Gas Price History
EIA weekly retail data · 2021 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2021 Mercedes-Benz GLA 250
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Mercedes-Benz GLA 250 Service Intervals
Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Mercedes-Benz New-Vehicle Warranty Coverage
EQ EV battery warranty is 10 years/155,000 miles
These are the terms for a new Mercedes-Benz. If you're buying a used 2021 GLA 250, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 26 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: I purchased this car approx 3 months after real issues began. My car would have issues idling where it would sometimes turn off at stop lights and require multiple reignition attempts before proceeding. This would also happen when the auto-start feature (anti-idle/gas saving) was engaged (which is
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: Please fix issue associated with my vin so I can Turo it
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: The contact owns a 2021 Mercedes-Benz GLA250. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that the rearview
Typically appears around 50K miles. Repair cost ~$500
- ☐DRIVER ASSIST/CAMERAS: The contact owns a 2021 Mercedes-Benz GLA250. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that the rearview
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 5 recalls have been completed — free at any Mercedes-Benz dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz GLA 250 — Year Comparison
How does 2021 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 26
- Recalls
- 5
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 1
- Segment avg
- 41
Check a Specific VIN
See recalls for YOUR 2021 Mercedes-Benz GLA 250