Mercedes-Benz GLS review
At a glance
Price new | £108,605 - £207,905 |
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Used prices | £44,424 - £156,956 |
Road tax cost | £600 |
Insurance group | 47 - 50 |
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Fuel economy | 20.3 - 32.8 mpg |
Range | 673 miles |
Miles per pound | 3.0 - 4.2 |
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Available fuel types
Petrol
Diesel
Pros & cons
- Comfortable ride
- Exceptionally well-equipped
- Spacious interior
- Almost too big for UK roads
- Interior quality disappoints in places
- Even the diesel is thirsty
Mercedes-Benz GLS SUV rivals
Overview
As the name suggests, the Mercedes GLS sits at the top of the brand’s range of combustion-powered SUVs. That means as well as the de rigueur AMG version, there’s also an ultra-luxury Maybach variant aiming to be the ultimate SUV.
Most versions get seven seats as standard, the only exception being the Maybachs which have five or four seats. Engine choices are limited to turbocharged six-cylinder petrol and diesels in the regular GLS, and a 4.0-litre V8 in the AMG and Maybach. Although the V8s get mild hybrid assistance, they chuck out over 300g/km while no PHEV is available.
If you do have an eye on either the environment or your company car tax bill, a long-wheelbase Range Rover is worth a look for its PHEV options. Similarly, the Bentley Bentayga has both low and high CO2 options. If that’s less of a concern, the BMW X7 is another worthy contender. We can’t ignore the electric options either, including Mercedes’ own seven-seat EQS SUV.
But back to the GLS. This generation was introduced back in 2019 and received a facelift in 2023. Despite a restyle inside and out, it uses Mercedes’ older infotainment system that still has a touchpad in the centre console. Even better, it retains its physical heater controls, an increasingly rare thing in this world of touchscreens.
All versions are four-wheel drive and with the exception of the AMG, can tow a 3,500kg braked trailer. Still, the GLS 63’s 3,300kg towing rating is nothing to be sniffed at. All models also get air suspension, so regardless of your load should sit level.
So, should you consider this super-sized SUV, or are there better high and mighty luxury alternatives? Read on for our comprehensive review covering practicality, the interior, driving experience and costs. By the time you’ve finished our verdict page, you’ll know if the GLS is the SUV for you.