CLS Class Steering Feel: Ultimate Luxury Driving Perfected
The Mercedes-Benz CLS class steering offers a refined, connected, and luxurious driving experience. It masterfully balances a smooth, isolating ride with precise control, making every turn feel effortless and sophisticated – the hallmark of automotive comfort and performance.
The steering wheel in your hand is your direct link to the road. On a luxury sedan like the Mercedes-Benz CLS, this connection is engineered for a specific kind of magic: effortless control combined with serene comfort. Many drivers wonder why their CLS feels so connected yet so smooth, especially when turning. It’s not magic; it’s sophisticated engineering designed to perfect the luxury driving feel. If you’ve ever felt that perfect balance of feedback and isolation, or if you’re curious about what makes the CLS steering so special, you’re in the right place. We’ll break down exactly how Mercedes-Benz achieves this renowned steering feel, making your driving experience more enjoyable and informed.
Understanding CLS Class Steering Feel
The “steering feel” of a car refers to the sensation a driver experiences through the steering wheel. It encompasses how much feedback the driver gets from the road, how responsive the steering is, and how much effort is required to turn the wheels. For the Mercedes-Benz CLS, achieving the perfect steering feel is a paramount goal, blending the brand’s legacy of luxury with its commitment to dynamic performance.
Mercedes-Benz engineers its CLS steering systems with a singular focus: to provide a driving experience that is both incredibly comfortable and reassuringly precise. This means isolating the cabin from jarring road imperfections while still conveying essential information about the road surface and tire grip to the driver. It’s a delicate balance, but one that the CLS class has mastered.
Key Components Influencing CLS Steering Feel
Several interconnected systems work in harmony to create the distinctive CLS steering sensation. Understanding these components can help you appreciate the engineering prowess behind your luxury sedan.
1. Steering System Type: Rack-and-Pinion with Electric Power Assistance
Modern CLS models predominantly use a rack-and-pinion steering system enhanced by electric power assistance (EPS).
Rack-and-Pinion: This is a mechanical steering system where turning the steering wheel rotates a pinion gear, which moves a linear rack. This rack is directly connected to the wheels, translating rotational motion into linear motion. It’s known for its directness and efficiency.
Electric Power Steering (EPS): Instead of hydraulic fluid, EPS uses an electric motor to assist the driver’s steering inputs. This offers several advantages:
Variable Assist: The amount of power assistance can be adjusted electronically based on vehicle speed. At low speeds (like parking), the steering is light and easy. At higher speeds, the assistance reduces, making the steering feel heavier and more stable.
Fuel Efficiency: EPS only consumes energy when steering input is detected, unlike hydraulic systems that use an always-on pump.
Integration with Driving Modes: EPS allows for seamless integration with different driving modes (e.g., Comfort, Sport, Sport+), allowing the steering weight and responsiveness to change dynamically.
2. Steering Ratio
The steering ratio determines how much the front wheels turn in relation to how much the steering wheel is turned.
Direct Ratio (Faster Steering): A lower steering ratio means the wheels turn more for a given steering wheel input. This can make the car feel more agile and responsive, particularly at lower speeds or on winding roads.
Indirect Ratio (Slower Steering): A higher steering ratio requires more steering wheel input to achieve the same wheel angle. This can enhance stability at high speeds and reduce the sensation of over-steering.
The CLS typically employs a ratio that offers a good compromise, providing responsiveness for spirited driving while maintaining composure on the highway. Some AMG CLS models might feature a more direct ratio for sharper performance.
3. Suspension Geometry and Tuning
The intricate angles and setup of the suspension system play a crucial role.
Caster Angle: This is the angle of the steering axis relative to a vertical line observed from the side. A positive caster angle helps the steering wheel self-center and improves straight-line stability. It also contributes to steering weight, making the wheel feel more centered.
Camber Angle: The angle of the wheel relative to the vertical plane when viewed from the front. Proper camber tuning ensures optimal tire contact with the road during cornering, affecting grip and feedback.
Toe Angle: Refers to the angle of the wheels relative to each other when viewed from above. Toe adjustments can influence turn-in response and stability.
Mercedes-Benz meticulously tunes these aspects on the CLS to ensure predictable handling and consistent steering feedback across various driving conditions.
4. Tires and Wheels
The contact patch between the tires and the road is the ultimate source of steering feedback.
Tire Compound and Design: The materials used in tire construction and their tread pattern significantly impact grip and the transmission of road information. Performance-oriented tires often provide more feedback than comfort-focused ones.
Wheel Size and Offset: Larger wheels and specific offsets can influence the steering and suspension dynamics, sometimes affecting steering feel and responsiveness.
Tire Pressure: Proper inflation is critical. Under-inflated tires can lead to vague steering, while over-inflated tires can make the ride feel harsh and transmit too much vibration.
The CLS is often equipped with performance-oriented tires that are designed to offer excellent grip while still filtering out excessive road noise and vibration.
5. Damping and Bushings
The shock absorbers and the rubber bushings within the suspension and steering components act as filters.
Sophisticated Dampers: High-quality shock absorbers not only control body motion but also help manage the impact of road imperfections before they reach the steering system, contributing to a smoother feel.
Elastokinematics: The design and material properties of rubber bushings in the suspension and steering linkages are critical. They allow for controlled movement and vibration isolation while maintaining precise control. Engineers carefully select these to tune out unwanted harshness and noise while retaining necessary feedback.
How Mercedes-Benz Achieves the CLS Steering Feel (“Active Steering” and Drive Modes)
Mercedes-Benz employs several technologies and tuning philosophies to deliver its signature CLS steering feel.
Variable Steering Ratio
Some CLS models, especially higher trims and AMG variants, can feature a variable steering ratio. This system can alter the steering ratio on the fly.
At low speeds: The ratio becomes more direct, reducing the steering wheel input needed for sharp maneuvers like parking or U-turns.
At high speeds: The ratio becomes less direct, providing greater stability and preventing over-correction from even small steering inputs.
Dynamic Select Driving Modes
The CLS’s “DYNAMIC SELECT” system allows drivers to alter the car’s driving characteristics, including steering.
Comfort Mode: Prioritizes a smooth, relaxed steering feel. Power assistance is high, requiring minimal effort. Road imperfections are maximally filtered.
Sport Mode: Reduces power assistance, making the steering feel heavier and more direct. More road feedback is transmitted, enhancing the connection between driver and car for spirited driving.
Sport+ Mode (on AMG models): Offers the most direct and responsive steering feel, with very little assist and maximum feedback. This is designed for track or aggressive road driving.
Rear-Axle Steering (Optional on some models)
For enhanced agility and stability, certain CLS models offer optional rear-axle steering.
At low speeds: The rear wheels turn in the opposite direction to the front wheels. This effectively shortens the car’s wheelbase, reducing the turning radius and making low-speed maneuvers significantly more agile.
At high speeds: The rear wheels turn in the same direction as the front wheels, albeit by a smaller angle. This increases stability during lane changes and high-speed cornering, making the car feel more planted.
This technology significantly influences how the car feels when turning, adding a layer of sophistication to its dynamic capabilities that directly impacts the overall steering sensation.
Comparing CLS Steering Feel Across Generations and Models
The CLS has evolved over its generations, with each iteration refining the steering feel. Understanding these nuances can be helpful for prospective buyers or those curious about different model years.
First Generation (C219, 2004–2010)
The first CLS shared much of its platform with the E-Class. Steering was typically direct and offered a good balance for its time, but it leaned towards comfort. Hydraulic power steering was standard, providing a consistent, though less adjustable, feel.
Second Generation (C218, 2011–2018)
This generation saw the introduction of Electric Power Steering (EPS). This allowed for more variability in steering weight and better integration with driving modes. The steering became lighter at parking speeds and firmer at highway speeds, offering a more modern feel.
Third Generation (C257, 2018–Present)
The current generation CLS further refines EPS. It offers a wider range of adjustability through DYNAMIC SELECT. Optional rear-axle steering becomes available on some models, dramatically enhancing agility and stability, which profoundly impacts the perceived steering feel. The chassis and suspension tuning are also optimized for improved feedback while maintaining luxury.
AMG CLS Models (e.g., CLS 53, CLS 63)
AMG variants prioritize performance. Their steering systems often feature:
More direct steering ratios for quicker responses.
Firmer suspension tuning, which transmits more road feedback.
More aggressive damping in Sport and Sport+ modes.
Sport-tuned EPS specifically calibrated for driver engagement.
These models offer a much more visceral and connected steering feel, ideal for enthusiasts.
Table: CLS Steering Feel Characteristics by Driving Mode (Third Generation)
| Driving Mode | Steering Effort | Road Feedback | Responsiveness | Ideal For |
| :———– | :————– | :———— | :————- | :———————- |
| Comfort | Very Light | Minimal | Smooth | Daily commuting, cruising |
| Sport | Moderate | Noticeable | Direct | Spirited driving, twisty roads |
| Sport+ | Heavier | Significant | Very Direct | Track use, aggressive driving |
How to Maximize Your CLS Steering Feel
While Mercedes-Benz engineers much of the CLS’s steering feel, there are aspects you can manage to ensure you’re experiencing it optimally.
1. Tire Maintenance
Correct Tire Pressure: Regularly check your tire pressure. Under-inflated tires can make steering feel vague and heavy, while over-inflated tires can lead to a harsh ride a feel disconnected. Use the pressures recommended in your owner’s manual or on the driver’s side doorjamb sticker. For optimal performance and feel, ensure they are within +/- 2 PSI of the recommended cold pressure.
Tire Wear: Worn tires have less grip and transmit less information. Ensure your tires have adequate tread depth. For the best feel, consider high-performance tires when it’s time for a replacement.
Wheel Alignment: A proper wheel alignment is crucial. Misalignment can cause steering to pull to one side, feel vague, or wear tires unevenly, all of which negatively impact steering feel and safety. Most reputable service centers can perform a high-quality alignment. You can find guidelines on proper alignment procedures from automotive engineering organizations like the Society of Automotive Engineers (SAE).
2. Regular Servicing
Suspension Inspection: Have your suspension components (bushings, joints, shocks, struts) inspected during regular maintenance. Worn components can significantly degrade steering feel, leading to slop or excessive vibration.
Power Steering System Check: While EPS systems are generally low-maintenance, any unusual noises, stiffness, or vagueness could indicate an issue. A dealership or qualified Mercedes-Benz specialist can diagnose these.
3. Understanding DYNAMIC SELECT
Experiment with Modes: Don’t be afraid to use the DYNAMIC SELECT system. Drive in Sport mode on your favorite roads to experience the greater connection to the tarmac. Switch to Comfort for a more relaxed commute. Understanding how each mode alters the steering is key to appreciating the system’s versatility.
Common Steering “Problems” (That Aren’t Actually Problems)
Sometimes, what might seem like a flaw is actually intentional engineering for a luxury vehicle like the CLS.
Vagueness at Center: Many modern luxury cars, including the CLS, are designed to filter out road vibrations for comfort. This can sometimes translate to a slightly less direct feel right at the steering wheel’s center detent, especially in Comfort mode. This is intentional to prevent constant small corrections on the highway.
Weight changes with speed: The electric power steering system naturally adjusts its assistance based on vehicle speed. It feels lighter at low speeds and heavier at high speeds. This is a feature, not a bug, enhancing maneuverability and stability.
Isolation from road noise: The CLS is designed for a serene cabin experience. This means some fine road texture might be filtered out compared to a sportier, less insulated vehicle. The goal is a refined, not a raw, experience.
When to Seek Professional Help
While the CLS steering is robust, there are times when you should consult a professional:
Loud Noises: Clunking, grinding, or whining noises when steering, especially at low speeds.
Stiff Steering: If the steering wheel becomes significantly harder to turn than usual, particularly in all modes.
Loose or Sloppy Steering: Excessive play or lack of response, feeling like the car isn’t going where you’re pointing it.
Pulling to One Side: If the car consistently pulls to one side, even when the road is flat and you’re not turning.
* Vibration in the Steering Wheel: Vibrations that are constant, feel harsh, or are independent of road surface quality.
These symptoms could indicate issues with the steering rack, power steering motor, suspension components, or wheel alignment, requiring attention from a qualified Mercedes-Benz technician.
Frequently Asked Questions (FAQ)
What is the primary goal of the CLS class steering feel?
The primary goal is to blend effortless luxury with precise control. It aims to isolate the driver from road imperfections while still providing a connected and reassuring feel for confident driving.
Is the steering on a CLS class heavy or light?
It varies depending on the driving mode. In Comfort mode, it’s light and easy for effortless maneuvering. In Sport or Sport+ modes, it becomes heavier, offering more feedback and a direct connection to the road.
Does the CLS class have electric power steering?
Yes, modern CLS-Class models use Electric Power Steering (EPS). This technology allows for variable assistance, adjustability through driving modes, and improved efficiency.
How does optional rear-axle steering affect the CLS steering feel?
Optional rear-axle steering enhances agility at low speeds by turning the rear wheels opposite the front, making tighter turns possible. At high speeds, it turns the rear wheels in the same direction as the front for increased stability during lane changes and cornering.
What is the role of tires in CLS steering feel?
Tires provide the crucial contact point with the road. Their compound, tread design, and inflation pressure directly influence how much road information is transmitted to the steering wheel and how much grip is available for steering. Maintaining proper tire pressure is essential for optimal steering feel.
Are there differences in steering feel between CLS and AMG CLS models?
Yes, AMG CLS models are performance-tuned. They typically feature a more direct steering ratio, firmer suspension, and more aggressive EPS calibration in their sportier modes to provide a significantly more engaging and responsive steering experience favored by driving enthusiasts.
How can I ensure my CLS steering feels its best?
Regularly check tire pressure and tread depth, ensure proper wheel alignment, and have your suspension components inspected during scheduled maintenance. Experiment with the DYNAMIC SELECT driving modes to find your preferred steering feel.
Conclusion
The Mercedes-Benz CLS class steering feel is not merely about turning the wheels; it’s a carefully orchestrated symphony of engineering designed to elevate the driving experience. From the precise mechanics of the rack-and-pinion system to the intelligent adjustments of electric power assistance and the nuanced tuning of suspension components, every element contributes to a sensation that is both serenely comfortable and engagingly precise.
By understanding the technology at play and performing basic maintenance, you can ensure your CLS continues to deliver that signature blend of luxury and dynamic capability on every journey. So, the next time you grip the wheel of your CLS, take a moment to appreciate the sophisticated engineering that makes every turn, every maneuver, a testament to the ultimate luxury driving experience. It’s this dedication to refining the connection between driver, car, and road that truly defines the CLS class.
