Looking for a spacious family car that doesn’t skimp on luxury? The Mercedes R-Class blends the practicality of an MPV with the upmarket feel of a premium SUV – ideal if you need comfort, seven-seat flexibility and quality.
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Overall rating 4.5/5
Running costs
Comfort
Reliability
Space Practicality
The Mercedes R-Class is a bit of a hidden gem – designed for drivers who need generous interior space but prefer a more refined, car-like experience than most people carriers or 4x4s can offer. Produced from 2006 until 2013 in the UK, the R-Class sits somewhere between an SUV and an MPV, making it a unique option for larger families or those who often travel with lots of passengers and luggage. Across two main updates, the R-Class evolved with improved diesel engines and added tech. It never became a big seller in the UK, but its rarity is part of the charm. You’re getting a well-built, quietly luxurious people mover that doesn’t shout for attention – yet feels very much like a Mercedes through and through.
Exceptionally roomy interiorSmooth, quiet rideSolid safety credentials and build
Running and maintenance costs can be highLarge size may not suit tight spacesLess efficient than some newer MPVsSafety was a priority for the R-Class, especially on higher trims. Standard equipment includes multiple airbags, electronic stability control (ESP), anti-lock brakes (ABS), and brake assist. Later models also offer active head restraints, tyre pressure monitoring and xenon headlights – added peace of mind for families.
In the UK, most used R-Class models come with a 3.0-litre V6 diesel engine, badged R 280 CDI, R 300 CDI or R 350 CDI depending on the version and power output. Early models included larger petrol V6 and V8 options like the R 350 and R 500, but these are rarer and less fuel-efficient. From 2010, the focus shifted almost entirely to diesels for efficiency and torque.
Even early R-Class models came well-equipped, with features like dual-zone climate control, cruise control, front and rear parking sensors and a decent audio system. Higher trims or later cars may add built-in satnav, Bluetooth, rear-seat entertainment, leather upholstery or powered tailgates. Optional extras available on some versions include a panoramic sunroof, rear COMAND screen controls and upgraded 3-zone climate control – great additions if comfort and flexibility are priorities for your passengers.
Fuel economy depends on the engine. The 3.0 L diesel usually achieves around 27 mpg in real-world driving, though official EPA figures put it closer to 21 mpg. Petrol versions are thirstier, often averaging well under 20 mpg.
Check the service history thoroughly – especially for suspension work, as air suspension (if fitted) can be costly to fix. Make sure all electric features and climate controls are working properly. Inspect tyres, brakes and the infotainment system. For extra reassurance, book The AA Vehicle Inspection before you buy.
The R-Class shares many parts with the E-Class and M-Class of the same era, which helps with reliability. Owners generally praise the car’s comfort and build quality, but like most large luxury vehicles, it can be expensive to maintain. Note that air suspension wear and electronic quirks can crop up – especially as mileage rises – which is why a full inspection and service history are well worth your effort.
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