The Mercedes GLE is a large premium SUV — the successor to the ML-Class. The W166 ML (2011–2015) and W167 GLE (2019–present) are both on UK roads. The W167 introduced a major leap in technology and interior quality. Available as 5-seat SUV and 7-seat coupe (GLE Coupe). Competing with the BMW X5, Audi Q7 and Land Rover Discovery. 4MATIC AWD is standard across most of the range. A popular choice for large family SUV buyers in the premium segment.
Quick Facts — Mercedes GLE
Common Engines
2.0 petrol (GLE300), 3.0 inline-6 (GLE400/GLE450/GLE580), 2.0 diesel (GLE300d), 3.0 diesel (GLE350d/GLE400d), AMG GLE53/GLE63, PHEV (GLE350e)
7 Most Common Mercedes GLE Problems
These are the faults most frequently seen on the Mercedes GLE by UK garages — ranked by how commonly they occur and what they cost to fix.
AIRMATIC air suspension is very common on the GLE and ML, and is one of the most frequently reported fault categories — compressor failure, strut collapse and valve block faults all occur on higher mileage examples.
💷 Typical repair cost: £500–£3,000
Diesel GLE / ML models on short urban journeys develop DPF blockages — a large premium diesel SUV on a short commute is a prime failure candidate.
💷 Typical repair cost: £150–£2,000
W167 GLE CDI models require AdBlue for the SCR emissions system. Running dry or injector faults cause warnings and prevent restarting.
💷 Typical repair cost: £10–£1,000
The 9G-Tronic automatic gearbox can develop hesitation and harsh shifts when servicing is neglected.
💷 Typical repair cost: £500–£4,000
The 4MATIC transfer box requires regular fluid changes. Wear leads to vibration and AWD warning lights.
💷 Typical repair cost: £400–£2,500
The GLE350e PHEV battery degrades over time on older examples. Verify real-world EV range before purchase.
💷 Typical repair cost: £2,000–£7,000
Electrically deployable running boards on GLE models can develop motor and sensor failures.
💷 Typical repair cost: £200–£800
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Mercedes GLE — MOT Tips
AIRMATIC suspension must hold correct ride height for MOT — a failing compressor will cause the car to sit low. DPF and AdBlue warnings are MOT fails or MOT-relevant. Gearbox and AWD warning lights must be clear. PHEV high-voltage warnings must be clear. Check all lighting — large Mercedes SUVs generate more electrical advisories than average.
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Mercedes GLE Tyres
Most Mercedes GLE models run 265/45 R20 or 265/40 R21 or 285/35 R22 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.
Summary
The GLE is a superb large premium SUV. The W167 GLE350d with full service history is one of the finest large diesel SUVs on the used market. AIRMATIC suspension service history is the most important used buying check — on both the ML and GLE. The 9G-Tronic needs its oil changes. Budget for higher servicing costs than average at an independent specialist.
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