About the Mercedes-Benz GLA
AI-generatedThe Mercedes-Benz GLA is a compact luxury crossover that first arrived in 2014, offering a raised driving position with premium Mercedes quality in a relatively affordable package. Based on the A-Class platform, it bridges the gap between a hatchback and a traditional SUV, appealing to buyers wanting Mercedes prestige without the size or cost of larger models. The first generation (X156, 2014-2020) featured a coupe-like design, while the second generation (H247, 2020-present) adopted a more conventional SUV appearance with increased interior space and modern technology. Available with a range of petrol and diesel engines, from efficient 1.6-litre units to potent AMG variants with up to 381bhp, the GLA caters to diverse driving needs. Standard equipment is generous across the range, including advanced safety systems, quality interior materials, and Mercedes' intuitive MBUX infotainment system in second-generation models. While not as spacious as some rivals, the GLA delivers a premium driving experience with composed handling and a comfortable ride, making it ideal for urban driving and occasional longer journeys.
Known Issues
Known Issues
First Generation (X156)
2014-2020
- Dual-clutch automatic gearbox (7G-DCT) can suffer from jerky operation and occasional software glitches requiring updates
- Oil leaks from camshaft adjuster seals, particularly on early petrol engines
- Diesel particulate filter (DPF) blocking on diesel models, especially with short urban journeys
- Brake discs can corrode prematurely, particularly on rear axle
- Electronic parking brake faults causing warning lights and occasional failure to release
- Panoramic sunroof drain blockages leading to water ingress in footwells
- Infotainment system freezing or becoming unresponsive requiring software updates
Second Generation (H247)
2020-present
- MBUX infotainment system occasionally experiencing software bugs requiring updates
- Mild hybrid system battery issues reported on some early 48V models
- Door seal water ingress affecting some early production vehicles
- Adaptive cruise control sensor calibration issues in certain conditions
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Running Costs
Running Costs
Annual Fuel
£1,800-£2,400
Insurance Group
18-42
Average Service
£450-£650
Cost Calculator
Typical Prices
£28,000 - £38,000
£22,000 - £30,000
£17,000 - £24,000
£10,000 - £15,000
Pros & Cons
Pros & Cons
Pros
- Premium interior with high-quality materials and excellent build throughout
- Strong engine range from efficient diesels to rapid AMG petrol variants
- Compact dimensions make it ideal for urban driving and parking
- Excellent technology including advanced MBUX system in newer models
- Strong brand prestige and desirability
- Composed handling with comfortable ride quality
Cons
- Limited rear passenger space, especially headroom in first generation
Photo by Mike Bird on Pexels
Best & Worst Years
Best & Worst Years
Best Years
- 2020 - First year of vastly improved second generation with more space, better technology, modern MBUX system, and resolved first-generation issues
- 2019 - Final year of first generation with most issues resolved through updates, benefiting from refinements and more reliable software
- 2022 - Mature second-generation model with early production issues resolved and full range of efficient engines including plug-in hybrid option
Worst Years
- 2014 - Launch year with most gearbox issues, software bugs, and early production quality problems that were later addressed
- 2015 - Continued gearbox problems and oil leak issues affecting many early cars, particularly the 200 and 220 petrol models
Buying Checklist
Engine5 items
- Check for oil leaks around camshaft adjuster seals at top of engine
- Listen for unusual rattles or timing chain noise on cold start
- Ensure diesel models regenerate DPF without warning lights
- Check oil level and condition - should be clean and at correct level
- Test drive should show smooth acceleration without hesitation
Did You Know?
Did You Know?
The GLA was Mercedes-Benz's first ever compact SUV, launching in 2014 to compete in the rapidly growing premium crossover segment.
The second-generation GLA grew by 104mm in length but is actually 7mm lower, yet offers significantly more headroom due to clever interior packaging.
Mercedes offered the GLA 45 AMG with 381bhp in its most potent form, making it one of the most powerful compact crossovers available with a 0-60mph time of just 4.3 seconds.
The GLA shares approximately 80% of its mechanical components with the A-Class hatchback, keeping development costs down while maintaining Mercedes quality.
Alternatives to Consider
BMW X1
7/10More practical with larger boot and rear space, excellent engines, sportier drive but similar running costs
Audi Q3
7/10Sharper interior design, more refined engines, superior build quality and generally more reliable than GLA
Volvo XC40
7/10More spacious, better safety features, distinctive Scandinavian design and often better value
Owner Tips
- 1Ensure the dual-clutch gearbox has had all software updates applied - check service history for transmission updates
- 2For diesel models, take regular motorway runs to prevent DPF blockage, especially if doing mainly short urban journeys
- 3Check sunroof drains are clear by pouring water into drain channels - blockages cause expensive water damage
- 4Use premium fuel in AMG models to prevent carbon build-up and maintain performance
- 5Budget for Mercedes-Benz servicing costs or find a reputable specialist to save up to 40% on main dealer prices
- 6Check for oil leaks around the top of the engine, particularly the camshaft adjuster area on petrol models
- 7Ensure electronic parking brake operates smoothly without warning lights - replacement is expensive
- 8Keep infotainment software updated to avoid freezing and connectivity issues
Check a specific Mercedes-Benz GLA
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