A former British Touring Car support racer, Nick is the founder of ChooseMyCar and brings years of industry insight to the world of cars and car buying.
Overall Rating
4.3/5
Based on expert evaluation and real-world testing
Performance
4.2
Comfort & Interior
4.6
Running Costs
3.4
Practicality
3.6
Expert Review
Our ratings are based on thorough testing and expert evaluation. We consider all aspects of the vehicle, from performance to value for money, ensuring you get a transparent and reliable assessment.
Overview
Thinking about a sleek roadster that captures the essence of German luxury with open top motoring? The Mercedes Benz SLK might be exactly what you’re looking for. This compact sports car combines Mercedes’ renowned build quality with the thrill of convertible driving, making it a standout choice in the premium roadster segment. The SLK offers a compelling alternative to rivals like the BMW Z4 and Audi TT Roadster, delivering refined performance with that distinctive three pointed star appeal. What sets the SLK apart is its clever retractable hardtop roof, which transforms from coupe to convertible in seconds while maintaining excellent structural rigidity. Whether you’re seeking weekend excitement or a stylish daily driver, the SLK delivers a premium ownership experience that few competitors can match. The range of engines available ensures there’s a model to suit different driving preferences, from efficient four cylinder units to more powerful AMG variants. For those who appreciate sophisticated engineering combined with head turning looks, the Mercedes SLK represents excellent value in the used luxury convertible market.
What's the Mercedes Benz SLK Like to Drive?
The Mercedes Benz SLK range offers engines tuned for smooth, effortless power delivery rather than raw performance. The entry-level SLK 200 with its turbocharged 2.0-litre four-cylinder produces around 184 horsepower, providing brisk acceleration and refined highway cruising. The SLK 250 steps up the power game, while the range-topping SLK 350 delivers V6 smoothness with genuine sports car performance. All engines pair beautifully with Mercedes’ smooth automatic transmission, making every drive relaxing and engaging.
Key Features
Essential specifications and features
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Engine
2.0L Turbo / 3.5L V6
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Power Output
184 - 306 bhp
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0-60 mph
7.9 - 5.3 seconds
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MPG Combined
32 - 42 mpg
- Boot Space
- 300 litres
- Safety Rating
- ★★★★★ (Euro NCAP)
Inside the Mercedes Benz SLK: Comfort & Features
Step inside the SLK and you’re immediately reminded why Mercedes has such a strong reputation for interior quality. The cabin feels special from the moment you settle into the supportive seats. High-quality materials are used throughout, from the soft leather upholstery to the brushed aluminium trim pieces. The dashboard layout is typically Mercedes, with clear, easy-to-read instruments and controls that fall naturally to hand. Even in entry-level models, the fit and finish exceeds what you’d find in many mainstream cars.
A genuinely rewarding experience. The SLK’s blend of sporty performance, elegant design, and that ingenious vario-roof creates a uniquely engaging and surprisingly usable roadster.
How Much Does It Cost to Run a Mercedes Benz SLK?
As a premium Mercedes model, the SLK comes with running costs that reflect its luxury positioning, though they’re reasonable within the convertible class. Fuel economy varies significantly across the range, with the SLK 200 achieving real-world figures in the high 30s, while the more powerful V6 models will see consumption drop into the low 30s. Insurance costs tend to be higher than for family cars, reflecting the SLK’s performance credentials and desirability to thieves.
How Does It Compare?
Compare key features and specifications
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Mercedes SLK
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BMW Z4
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Audi TT Roadster
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|---|---|---|---|
| Starting Price | £35,000 | £38,000 | £36,000 |
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Performance
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| Engine | 2.0L Turbo 184hp | 2.0L Turbo 197hp | 2.0L TFSI 197hp |
| Power | 184 bhp | 197 bhp | 197 bhp |
| 0-60 mph | 7.9 seconds | 7.1 seconds | 6.9 seconds |
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Running Costs
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| MPG Combined | 38 mpg | 35 mpg | 40 mpg |
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Practicality
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| Boot Space | 300 litres | 310 litres | 280 litres |
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Standard Features
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| Key Features | Retractable hardtop, Premium interior, Smooth ride | Soft-top convertible, Sharp handling, Rear-wheel drive | Quattro all-wheel drive, Virtual cockpit, Sporty styling |
Is the Mercedes Benz SLK Practical for Everyday Use?
For a two-seater convertible, the Mercedes SLK is surprisingly practical for everyday use. The 300-litre boot provides decent space for weekend trips or weekly shopping, though capacity is reduced when the roof mechanism is stored. The retractable hardtop is a significant advantage over soft-top rivals, providing better security, insulation, and weather protection. Storage within the cabin includes useful cubbyholes and door pockets for everyday items, plus cup holders that actually hold cups securely.
Absolutely love my SLK 250. The roof mechanism never fails to impress passengers, and the interior quality is fantastic. Fuel economy is better than expected and it’s surprisingly practical for trips away. The only downside is the expensive servicing, but it’s worth it for the driving experience.
The Mercedes Benz SLK stands out in the competitive luxury convertible market by offering genuine year-round usability without compromising on style or refinement. Its innovative retractable hardtop system, combined with Mercedes’ renowned build quality and smooth powertrains, creates a convertible that’s as comfortable on winter motorways as it is on summer country lanes. While running costs are higher than mainstream alternatives, the SLK delivers a premium ownership experience that justifies the investment.