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About the Mercedes-Benz GLC
AI-generatedThe Mercedes-Benz GLC is a premium compact SUV that replaced the GLK-Class in 2015. Built on the C-Class platform, it combines elegant styling with genuine off-road capability thanks to standard 4MATIC all-wheel drive on most models. The GLC offers a range of efficient diesel and petrol engines, along with plug-in hybrid variants, and comes in both standard SUV and sleek GLC Coupé body styles. Inside, it delivers the quality, technology, and refinement expected from the three-pointed star. With a spacious and luxurious cabin, impressive build quality, and strong residual values, the GLC has become one of Mercedes-Benz's best-selling models in the UK. It competes directly with the BMW X3, Audi Q5, and Range Rover Evoque, offering a compelling blend of comfort, performance, and practicality. The second generation arrived in 2022, but the first-generation model (2015-2022) remains popular on the used market, offering excellent value for those seeking premium SUV motoring.
Known Issues
Known Issues
X253 (First Generation)
2015-2022
- AdBlue system faults causing warning lights and potential limp mode on diesel models
- Airmatic air suspension failures, particularly on higher mileage examples, requiring expensive repairs
- Infotainment screen freezing or rebooting, requiring software updates
- Turbocharger wastegate rattle on some 2.0-litre petrol engines, particularly when cold
- Brake disc wear can be premature, especially on heavier variants
- Glow plug failures on diesel models causing starting difficulties in cold weather
- Door handle mechanisms can fail, preventing door opening
- Condensation in LED headlight units on earlier models
GLC Plug-in Hybrid (300e/300de)
2019-2022
- Battery management system faults causing reduced electric range
- Charging port failures or connectivity issues
- Software glitches affecting hybrid system operation
- Higher maintenance costs due to additional hybrid components
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Running Costs
Running Costs
Annual Fuel
£1,800-£2,400
Insurance Group
30-42
Average Service
£450-£650
Cost Calculator
Typical Prices
£38,000 - £48,000
£28,000 - £36,000
£22,000 - £29,000
£15,000 - £20,000
Pros & Cons
Pros & Cons
Pros
- Premium interior with excellent build quality and luxurious materials
- Comfortable ride quality, especially with air suspension
- Strong engine range including efficient diesels and powerful AMG variants
- Advanced safety technology and driver assistance systems
- Strong residual values compared to many rivals
- Spacious cabin with good rear legroom
- Standard 4MATIC all-wheel drive on most models provides excellent grip
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Best & Worst Years
Best & Worst Years
Best Years
- 2019 - Facelift model with updated infotainment, improved MBUX system, and resolved early production issues while maintaining strong value
- 2020 - Post-facelift reliability improvements, wider choice of plug-in hybrid models, and benefited from software updates addressing earlier issues
- 2021 - Final year refinements before second generation, most reliable first-gen models with all updates applied and still under warranty for many examples
Worst Years
- 2015 - First year of production with early software bugs, infotainment issues, and initial quality control problems that were later resolved
- 2016 - Continued early production issues, particularly with AdBlue systems on diesel models and turbocharger problems on some petrol variants
Buying Checklist
Engine6 items
- Check for oil leaks around turbocharger and engine seals
- Listen for turbo wastegate rattle on cold start (2.0 petrol)
- Verify AdBlue system functionality on diesel models with no warning lights
- Test drive should show smooth power delivery with no hesitation
- Check for excessive exhaust smoke on diesel variants
Did You Know?
Did You Know?
The GLC was the first Mercedes SUV to be offered with a coupé body style, predating the GLE Coupé's launch.
The GLC shares approximately 70% of its components with the Mercedes-Benz C-Class saloon, including most engines and interior technology.
Mercedes-Benz offers an armoured version of the GLC for high-security applications, with VR4 ballistic protection.
The GLC 63 AMG produces up to 510bhp from its 4.0-litre twin-turbo V8, making it one of the most powerful compact SUVs available.
Alternatives to Consider
BMW X3
7/10More engaging to drive with better handling dynamics and slightly more boot space, though interior arguably less luxurious
Audi Q5
7/10Similar premium appeal with excellent build quality, Quattro all-wheel drive, and slightly more practical interior space
Volvo XC60
7/10Excellent safety credentials, comfortable ride, and lower running costs, though less sporty and prestigious badge
Owner Tips
- 1Always use genuine AdBlue fluid and keep the system topped up to avoid expensive repairs on diesel models
- 2Have the air suspension system inspected thoroughly before purchase - compressor and strut replacements are costly
- 3Budget for main dealer or specialist servicing - independent mechanics may lack the diagnostic equipment for complex systems
- 4Check for complete service history with regular oil changes, especially on high-performance AMG variants
- 5Update infotainment software regularly through a dealer to resolve bugs and improve functionality
- 6Inspect brake discs carefully as premature wear is common, especially on heavier models
- 7On plug-in hybrids, verify the battery health and charging system functionality with diagnostic tests
- 8Consider an extended warranty for older high-mileage examples due to potential expensive repairs
Check a specific Mercedes-Benz GLC
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