Mercedes GLA X156 (2013 – 2020)

Reliability score : 8.5/10

The Mercedes-Benz GLA (X156) is a premium compact crossover based on the MFA (Modular Front Architecture) platform, sharing its underpinnings with the W176 A-Class. Introduced in 2013, it serves as the entry-level SUV in the Mercedes-Benz lineup. It offers a slightly raised ride height, rugged styling cues, and optional 4MATIC all-wheel drive. A mid-cycle facelift was introduced in 2017, bringing updated LED lighting, revised bumpers, an upgraded infotainment screen, and improved interior materials to address early criticisms regarding cabin quality. Overall, the X156 is praised for its car-like handling and stylish design, though it sacrifices some practicality and rear headroom compared to boxier rivals like the BMW X1. The petrol engines (M270 family) are generally robust and represent

✅ Strengths

Attractive, car-like styling with a premium badge
M270 petrol engines are generally very reliable and efficient
High-quality interior materials (especially post-2017 facelift)
Excellent high-speed stability and handling for a crossover
Available 4MATIC system is highly capable in poor weather

⚠️ Weaknesses

7G-DCT dual-clutch transmission can be jerky at low speeds and in stop-and-go traffic
Interior space and rear headroom are compromised compared to rivals (e.g., BMW X1)
Poor rearward visibility due to thick C-pillars and small rear window
Pre-facelift models suffer from interior creaks and rattles (dashboard, infotainment screen)
Firm ride quality, especially on AMG-Line models with larger wheels

🎯 Verdict

The Mercedes-Benz GLA (X156) is a stylish and dynamic premium compact crossover. If you are looking for a reliable daily driver, the petrol variants (GLA 200 and GLA 250) are the absolute best choices in the lineup. The M270 engine is robust, provided basic maintenance is respected. The primary caveat for this vehicle is the 7G-DCT dual-clutch transmission: it is mandatory to verify that its fluid has been changed every 60,000 km. Avoid early pre-facelift models if you are sensitive to interior rattles, and opt for a post-2017 facelift model for better build quality, updated tech, and refined transmission software. Diesels are only recommended if you do significant highway mileage, but the petrols offer a much better balance of refinement and reliability for this specific chassis.