Mercedes C63 AMG W205 Buying Guide

Mercedes C-Class C63 W205 Buyers Guide (2015+)

The Mercedes-Benz C-Class C63 W205, introduced in 2015, quickly became a performance benchmark in the compact executive car segment. Powered by the 4.0-litre twin-turbo V8, it represents a significant leap from its predecessor, offering more power, better handling, and a more refined driving experience. If you’re considering buying a C63 W205, there are a few important aspects to keep in mind regarding maintenance, optional extras, and the various body variants available. This guide will help you make an informed decision and ensure you get the most from your purchase.

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Engine and Performance

The 4.0-litre twin-turbocharged V8 is the highlight of the C63 W205. It delivers a robust 476 horsepower in the standard model, with the C63 S variant pushing up to 510 horsepower. This engine provides exhilarating performance with a 0-60 mph time of just 4.1 seconds in the C63 S. The engine’s twin-turbo setup offers plenty of low-end torque, making it feel responsive in all driving conditions.

The engine is mated to a 7-speed AMG SPEEDSHIFT MCT transmission that offers quick gear changes, and the car’s AMG Ride Control suspension allows for a balance of comfort and handling performance. Maintenance-wise, this engine is generally reliable, but it's important to be aware of a few common issues that may arise, such as the possibility of oil leaks from the turbos or turbochargers that may need attention after high mileage. Regular oil and coolant checks are crucial, as the V8 engine can run hot, especially in aggressive driving scenarios.

Transmission and Drivetrain

The C63 comes with rear-wheel drive as standard, and the C63 S offers an additional level of performance with its limited-slip rear differential. It’s important to note that the gearbox and differential are both highly robust, but the transmission fluid should be changed at recommended intervals to ensure long-term reliability. Some owners have reported issues with rough gear changes or delays in shifting, which could be attributed to low fluid levels or a need for a software update, so ensure that the car's service history reflects proper maintenance of these components.

Suspension and Handling

One of the key features of the W205 C63 is the AMG Ride Control suspension system. This allows the driver to adjust the suspension settings for either a more comfortable or more dynamic driving experience. Over time, the adaptive suspension components can wear, especially if the car has been driven hard. Be sure to check the condition of the suspension, as replacing worn dampers or struts can be costly.

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Optional Extras

When it comes to optional extras, the C63 W205 offers a range of features that can significantly enhance your driving experience. These include:

• AMG Performance Seats: These provide extra lateral support during spirited driving, especially in the more powerful C63 S variant.
• Burmester Surround Sound System: For audiophiles, this premium sound system offers exceptional sound quality.
• Panoramic Sunroof: This is a popular option that adds a sense of space and light to the cabin.
• Night Package: This package gives the car a more aggressive look with darkened trim, mirrors, and front and rear accents.
• Carbon Fibre Trim: For those seeking a more motorsport-inspired interior, the optional carbon fibre trim adds a sporty touch.
• AMG Performance Exhaust: An optional exhaust upgrade that enhances the already distinctive V8 sound.

While these extras can increase the car's initial cost, they do add value and improve the driving experience, especially if you're planning on keeping the car for an extended period.

Body Variants

The W205 C63 is available in three body styles: saloon, coupe, and cabriolet. Each offers a different driving experience and has its own set of advantages and drawbacks.

• Saloon: The saloon is the most practical variant and offers the best all-round experience, with a good balance of comfort and performance. It’s also the most popular body style, offering more rear-seat space and a larger boot, making it ideal for everyday use.
• Coupe: The coupe offers a more dynamic driving experience, with a lower ride height and sharper handling. It’s a sportier option and appeals to those looking for a car that’s equally at home on a track day or a Sunday drive. However, rear-seat space is more limited, and the boot is smaller than the saloon, making it less practical for those who need more space.
• Cabriolet: The cabriolet combines the performance of the C63 with the added thrill of open-air motoring. While the driving experience is still impressive, the cabriolet sacrifices a bit of rigidity compared to the coupe and saloon. The roof mechanism can also be a potential source of issues, so it's important to ensure it’s functioning smoothly during your inspection.

Common Issues to Watch Out For

While the C63 W205 is generally reliable, there are some common issues that you should be aware of when buying a used model:

• Turbocharger Problems: As mentioned earlier, the turbochargers are susceptible to oil leaks, especially after high-mileage driving. Regular checks of the turbo seals and hoses are important.
• Suspension Wear: The adaptive suspension can wear over time, leading to a less comfortable ride or poor handling. Look for any signs of noise or uneven ride height.
• Electronics: Some owners have reported issues with the electronic systems, particularly the infotainment and driving assistance features. Ensure that all the technology in the car is fully functional.
• Brake Wear: Given the performance nature of the C63, the brakes can wear faster than in a regular C-Class. Check the condition of the discs and pads, especially if the car has been driven aggressively.

Conclusion

The Mercedes C-Class C63 W205 offers an excellent combination of power, luxury, and everyday usability. With its 4.0-litre twin-turbo V8, it’s a car that delivers thrilling performance in a package that’s surprisingly practical for daily driving. However, like any performance car, it requires regular maintenance to keep it running at its best. Pay close attention to the engine, suspension, and transmission when buying, and look out for optional extras that can improve both the driving experience and the car’s value.

Whether you opt for the saloon, coupe, or cabriolet, the C63 W205 provides a premium driving experience that’s hard to beat in its class.