Stone Exhaust Mercedes-Benz AMG M264 and M264 W205 S205 C205 Cat-Back Valvetronic Exhaust System for C200, C250 and C300
Unlock sound, performance and everyday refinement with the Stone Exhaust Cat-Back Valvetronic Exhaust System for the Mercedes-Benz C-Class W205, S205 and C205 fitted with the M264 and M264 4Matic engines. This premium valved cat back exhaust is engineered for a true OEM-fit upgrade on C200, C250 and C300 models from 2014 onwards. Developed using 3D scanning, reverse engineering and in-house dyno testing, it delivers Stone’s signature tone, enhanced flow and drone-free cruising.
If you are searching for Mercedes C-Class W205 cat-back exhaust, Mercedes C200 exhaust, C250 exhaust upgrade, Mercedes C300 exhaust, C300 4MATIC valved exhaust, W205 valvetronic exhaust, M264 exhaust, C205 coupe exhaust or S205 estate exhaust, this Stone Exhaust system is the proven, plug-and-play choice in the UK.
Why choose Stone Exhaust for your Mercedes C-Class W205
- Valvetronic cat-back exhaust with dual valves for Mercedes-Benz C-Class M264 and M264 4Matic engines
- Remote controlled valves with ON, OFF and AUTO modes for instant sound control
- Plug and play OBDII controller for quick, clean installation
- OEM-level fitment achieved via 3D scanning and reverse engineering
- In-house dyno developed for genuine performance gains and optimised exhaust flow
- One-piece design, precision mechanical welding and direct spot welding for strength and reliability
- Advanced 7-axis CNC bending for accuracy, roundness and smooth airflow
- Eliminates the drone commonly found on the standard exhaust system
We run Stone Exhaust systems on our own and customer cars. Fitment, finish and sound are consistently excellent, and feedback on quality, tone and everyday usability has been outstanding.
Valvetronic control made simple
The included Valvetronic remote offers three modes to suit every drive:
- ON for an aggressive, louder exhaust note
- OFF for quiet, refined operation
- AUTO to open and close the valves automatically at a predefined RPM
The system is plug and play via the OBDII port, making installation fast and tidy.
OPF delete solution included
Stone provides an OPF delete solution free of charge, allowing OPF-equipped vehicles to run this cat-back exhaust without error codes. No ECU coding is required to remove OPF-related warnings.
Engineered the right way
- 3D Scanning and Reverse Engineering to guarantee a precise OEM-style fit on W205, S205 and C205 platforms
- 7-axis CNC bending for up to 98 percent roundness and reduced outer bore wear at tight radii
- Crisscross and overlapping welding at high-stress zones for durability at extreme temperatures
- Direct spot welding by mechanical arms for strong, consistent weld penetration
- Dyno developed in house to refine power delivery and the Stone signature sound
Compatibility
Engines: M264 and M264 4Matic
Chassis: W205 Saloon, S205 Estate, C205 Coupe
Models:
- W205 C180 7G-TRONIC PLUS 2014+
- W205 C200 7G-TRONIC PLUS 2014+
- W205 C250 2014+
- W205 C300 and C300 4MATIC 2014+
- S205 C200 and C200 7G-TRONIC PLUS 2014+
- S205 C250 2014+
- C205 C200, C200 7G-TRONIC, C200 9G-TRONIC 4MATIC 2016+
- C205 C250 2016+
- C205 C300 2014+
Part number
MP505SM264
Installation and fitting
Professional installation is recommended. For fitting, book with Nforcd in Warwickshire and request a quote at Sales@nforcd.com.
Stone Valvetronic System Installation Video
Warranty
Stone Exhaust 2 Year Warranty
Photos and videos
Sound preview: Mercedes-Benz W205 C300 Stone Exhaust
Search-friendly terms
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