Mercedes C300 C-Class Cabriolet/Convertible (A205) 2017-2020 ST X Coilovers – Ride Height Adjustable Lowering Sport Suspension Drop Kit, Adjustable Struts, Shocks & Springs | ST Suspension by KW Automotive | Part 13225083

Adjustable Sport Suspension for Mercedes C300 A205 Cabriolet

Part number: 13225083

Give your Mercedes-Benz C-Class convertible the stance and road feel it deserves with this premium adjustable shock and spring package. Designed for the A205 C300 Cabriolet model years 2017 to 2020, this ST X setup by the KW group delivers precision ride height control, sharper handling and a purposeful, even drop that looks as good as it drives.

What you get

• Continuously height-adjustable struts and matched sport springs for both axles
• Front lowering range approx. 10 to 46 mm (about 0.4 to 1.8 inches)
• Rear lowering range approx. 15 to 51 mm (about 0.6 to 2.0 inches)
• Threaded bodies with a robust polyamide adjuster for quick, accurate height changes
• Bump stops and dust boots included for long-term protection

Why enthusiasts choose this upgrade

• Confident cornering: reduces pitch and roll for cleaner turn-in and stable mid-corner balance
• Everyday usability: composed ride quality with a wide height window for road or show
• Built to last: galvanised steel struts with an additional protective coating to fight corrosion
• Twin-tube damper technology with chrome-plated piston rods, a monoblock guide and an advanced ST seal package to keep out dirt and moisture
• Engineered and assembled by KW Automotive for consistent performance and reliability

Set your C300 cabrio exactly where you want it, close up the wheel gap, and enjoy precision steering feel with a tighter, more connected drive. The result is a refined sports suspension that lifts both appearance and performance without compromise.

Real-world feedback

We run this ST X suspension on our own builds and it remains one of our most recommended upgrades for the A205 C-Class convertible. Customers love the improved agility, predictable grip and tidy stance. It is a go-to choice for those wanting a serious drop with OEM-plus manners.

Vehicle compatibility

Mercedes-Benz C-Class Convertible

• Chassis: A205
• Engine/Trim: C300
• Years: 2017 to 2020

Important notes

• Not suitable for vehicles with EDC or electronic adaptive damping
• Not for cars with self-levelling or height-adjustable factory systems

Fitting and support

Professional installation and a full four-wheel alignment are strongly recommended after fitting. For expert fitting, choose MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Manufacturer and warranty

Brand: ST Suspension by KW Automotive

Warranty: 2-year manufacturer warranty

Search terms customers use

C300 cabrio sport suspension, A205 adjustable struts, Mercedes C-Class convertible drop kit, performance shocks and springs for C300, ride height adjust system, coilover suspension for Mercedes convertible, Mercedes C300 stance kit, ST X 13225083, KW group suspension, lowering springs with matched dampers for A205, adjustable spring and damper set for C-Class cabriolet.