Vehicle Overview
The Mercedes-Benz CLS-Class, first launched in 2004, pioneered the four-door coupé concept — combining the sleek style of a coupé with the practicality of a luxury saloon. Nearly two decades later, the latest third-generation CLS (facelifted in 2023) continues to set the standard for elegance, comfort, and modern performance.
Positioned between the E-Class and the S-Class, the CLS appeals to executives and design-conscious buyers who want exclusivity and sophistication without the formality of a full-size limousine.
Offered primarily as the CLS 300d, CLS 450 4MATIC, and Mercedes-AMG CLS 53, this coupé delivers a balance of style, smoothness, and speed that few rivals can match.
Key Specifications
| Specification | CLS 300d | CLS 450 4MATIC | AMG CLS 53 4MATIC+ |
|---|---|---|---|
| Engine | 2.0L 4-cyl diesel mild-hybrid | 3.0L inline-6 petrol mild-hybrid | 3.0L inline-6 petrol (AMG-tuned) |
| Power Output | 265 hp (195 kW) | 367 hp (270 kW) | 435 hp (320 kW) |
| Torque | 550 Nm | 500 Nm | 520 Nm |
| Transmission | 9-speed automatic (9G-Tronic) | 9-speed automatic | 9-speed AMG Speedshift TCT |
| Drivetrain | RWD | AWD (4MATIC) | AWD (4MATIC+) |
| 0–100 km/h | 6.4 s | 4.8 s | 4.5 s |
| Top Speed | 250 km/h (limited) | 250 km/h | 250 km/h |
| Fuel Economy (WLTP) | 5.8 L/100 km | 8.2 L/100 km | 9.0 L/100 km |
| CO₂ Emissions | 152 g/km | 186 g/km | 205 g/km |
| Length / Width / Height | 4,981 / 1,893 / 1,435 mm | Same | Same |
| Boot Space | 520 L | 520 L | 520 L |
Exterior Design
Few cars capture elegance and sportiness like the CLS-Class. The 2023 update refines its timeless shape with modern detailing.
Highlights
Signature coupé silhouette with arched roofline and frameless doors
Diamond-pattern grille with chrome “Star” pins (AMG Line standard)
Slim Multibeam LED headlights and taillights
Sculpted bonnet and flowing side creases
Sporty AMG Line bumpers and diffuser
Optional 20-inch alloy wheels and Night Package black accents
From every angle, the CLS looks graceful yet assertive, embodying the perfect blend of art and aerodynamics.
Interior, Comfort & Materials
Inside, the CLS-Class delivers S-Class ambiance in a sportier package, showcasing meticulous craftsmanship and cutting-edge technology.
12.3-inch digital driver display + 12.3-inch infotainment screen (MBUX system)
Artico leather and open-pore wood trim (Nappa and carbon-fibre optional)
64-color ambient lighting with illuminated air vents
Heated and ventilated front seats with memory function
Dual-zone or optional four-zone climate control
Panoramic sunroof and premium sound insulation
AMG Line interior adds flat-bottom steering wheel, sports seats, and contrast stitching
It’s a driver’s lounge — serene, opulent, and technologically advanced.
Features & Infotainment
The 2023 CLS features the latest generation MBUX (Mercedes-Benz User Experience) system with enhanced connectivity and AI-driven personalization.
12.3-inch touchscreen with intuitive interface
Hey Mercedes” voice assistant
Apple CarPlay & Android Auto (wireless)
Augmented reality navigation and live traffic
Head-up display (HUD)
Burmester 3D surround sound system (optional)
Over-the-air software updates (OTA)
Wireless charging and multiple USB-C ports
The system is fast, fluid, and feature-rich, offering a seamless digital experience on par with luxury flagships.
Safety & Ratings
The CLS-Class comes equipped with Mercedes’ most advanced driver assistance systems, offering exceptional safety and comfort on long journeys.
Key features
Active Distance Assist DISTRONIC (adaptive cruise)
Active Steering and Lane Keeping Assist
Blind-spot monitoring and traffic sign recognition
Automatic emergency braking
PRE-SAFE® system with occupant protection
Parking Assist with 360° camera
Car-to-X communication for hazard alerts
Rated 5 stars by Euro NCAP, it’s as safe as it is stylish.
Driving Performance
The CLS-Class offers a blend of composure, power, and poise — equally at home cruising motorways or tackling winding roads.
CLS 300d
Mild-hybrid 2.0L diesel provides strong torque and efficiency.
Smooth 9G-Tronic gearbox and refined ride make it ideal for long-distance touring.
CLS 450 4MATIC
The 3.0L inline-six petrol with EQ Boost adds a 22 hp electric assist for smooth acceleration.
Excellent balance between performance and comfort.
AMG CLS 53 4MATIC+
435 hp with 48V mild-hybrid technology and AMG-tuned chassis.
Variable AWD, adaptive suspension, and active exhaust deliver thrilling dynamics.
0–100 km/h in 4.5 seconds, accompanied by a glorious straight-six soundtrack.
Across all versions, the CLS exudes effortless power and precision, wrapped in a layer of Mercedes refinement.
Fuel Efficiency
| Variant | WLTP Combined | CO₂ | Range (Approx.) |
|---|---|---|---|
| CLS 300d | 5.8 L/100 km | 152 g/km | ~1,000 km |
| CLS 450 4MATIC | 8.2 L/100 km | 186 g/km | ~750 km |
| AMG CLS 53 | 9.0 L/100 km | 205 g/km | ~650 km |
The EQ Boost mild-hybrid system improves efficiency and smoothness across the range.
Practicality & Everyday Usability
Despite its coupé silhouette, the CLS-Class remains a highly usable executive car:
520 L boot space — roomy for luggage or golf bags
Split-folding rear seats (40:20:40) for added versatility
Wide-opening doors and easy entry despite low roofline
Excellent comfort for four adults (rear middle seat suitable for short trips)
Refined, quiet cabin ideal for daily commuting or long journeys
It’s more practical than a coupé and more stylish than a sedan — the sweet spot of both worlds.
Warranty & Maintenance
| Vehicle warranty | 3 years / unlimited mileage (UK & EU) |
| Service interval | every 12 months or 25,000 km |
Mercedes ServiceCare and Extended Warranty plans available
| Mobilo roadside assistance | up to 30 years with regular servicing |
Mercedes reliability, coupled with premium aftersales support, ensures peace of mind ownership.
Price & Value for Money
| Variant | Starting Price (UK) | Key Highlights |
|---|---|---|
| CLS 300d AMG Line Premium Plus | ~£67,000 | Diesel efficiency, luxury trim, advanced safety |
| CLS 450 4MATIC AMG Line Premium Plus | ~£73,000 | Inline-six refinement, AWD, EQ Boost mild hybrid |
| AMG CLS 53 4MATIC+ | ~£87,000 | 435 hp, performance dynamics, AMG styling |
The CLS-Class offers a more exclusive and design-led alternative to traditional executive saloons.
Comparison with Rivals
| Model | Power | Drivetrain | 0–100 km/h | Price (UK) |
|---|---|---|---|---|
| Mercedes CLS 450 4MATIC | 367 hp | AWD | 4.8 s | £73k |
| BMW 8 Series Gran Coupé 840i | 333 hp | RWD | 5.2 s | £78k |
| Audi A7 Sportback 55 TFSI | 340 hp | AWD | 5.3 s | £72k |
| Porsche Panamera 4 | 330 hp | AWD | 5.4 s | £80k |
The CLS-Class strikes the perfect balance between luxury, performance, and value, undercutting most rivals while matching their sophistication.
Pros & Cons
Pros
Striking four-door coupé design
Luxurious interior with top-tier materials
Smooth, refined engines with mild-hybrid tech
Advanced infotainment and safety systems
Comfortable yet engaging to drive
Cons
Rear headroom limited by roofline
Pricier than the E-Class
No full plug-in hybrid option (yet)
Firm ride on large AMG wheels
Overall Rating
4.7 / 5 stars
Final Verdict
The Mercedes-Benz CLS-Class (2023) remains one of the most stylish and sophisticated executive cars on the road. It combines the beauty of a coupé, the comfort of a saloon, and the prestige of a Mercedes-Benz — all in one elegant package.
Ideal for executive drivers and design enthusiasts, the CLS offers timeless appeal and cutting-edge technology. In an era of SUVs, it’s a refreshing reminder that style and substance can coexist beautifully.
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Pros & cons
- Premium badge appeal and refined cabin ambience
- Good fit for UK buyers who choose the right trim
- Strong shortlist candidate when total costs are checked
- Final value depends heavily on trim, options and finance price
- Larger wheels can reduce ride comfort and raise tyre costs
- Availability, standard equipment and pricing may vary during the year
Final verdict
The CLS-Class is a credible option in the UK market if it matches your priorities. The smartest approach is to decide what matters most - comfort, space, efficiency, performance, image or technology - then compare the exact trim against two or three rivals on the same route and the same finance basis. Choose the version that feels easiest to live with, not simply the one with the longest equipment list.
Buyer checkpoints
| Buyer checkpoint | True Motion Auto view |
|---|---|
| Best for | Drivers wanting premium materials, image and comfort. |
| Body style | Car |
| Powertrain focus | Petrol, diesel or hybrid depending on model year and trim |
| UK ownership note | Check insurance group, VED, charging or fuel costs and service-plan pricing before buying. |
| Verdict | Worth shortlisting if its size, running costs and equipment match your daily use. |
Frequently asked questions
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Specifications, prices and equipment were current at publication and vary by model year, trim and market. Verify final details with a franchised dealer before ordering. Read how we review cars and our editorial policy.