Stone Exhaust Mercedes-Benz W213 E53 AMG M256 Cat-Back Valvetronic Exhaust System
Looking for a Mercedes E53 AMG exhaust that transforms sound, sharpens response and keeps comfort on the motorway? The Stone Exhaust Valvetronic Cat-Back Exhaust System for the Mercedes-Benz W213 E53 AMG with the M256 engine delivers a premium, valve-controlled upgrade with genuine OEM fitment, proven performance gains and that unmistakable Stone signature tone. If you want a W213 E53 cat-back exhaust that is valved, plug and play, drone-free and built to exceptional standards, this is it.
Developed by Stone Exhaust since 1998 using 3D scanning and reverse engineering of the OEM system, this E53 AMG cat-back is engineered for precise fitment and optimised flow. It is dyno developed in house to produce more power while eliminating the drone common on standard systems. The Valvetronic system includes a dedicated remote so you can switch between quiet and loud at will, or set Auto mode to open the valves at your chosen rpm. At Nforcd, we have installed and used this system on customer cars and feedback has been consistently brilliant for both sound and refinement.
Why choose this Mercedes E53 AMG Valvetronic cat-back
- Designed specifically for Mercedes-Benz W213 E53 AMG with the M256 engine
- Valvetronic valve-controlled exhaust with Remote Control: ON / OFF / AUTO modes
- Plug and play OBDII controller for quick, simple installation and control
- One piece design with machine welding for strength and reliability
- Developed using 3D scanning and reverse engineering for 100 percent OEM fitment
- In house dyno developed for real performance gains and the Stone signature sound
- Eliminates drone compared to the standard exhaust system
- Advanced manufacturing: 7 axis CNC bending to 98 percent roundness with precise tolerances
- Crisscross and overlapping welding plus direct spot welding for endurance at high temperatures
Valvetronic control made easy
The Stone Valvetronic system is independently researched and developed in house. Forget complicated wiring. The supplied remote gives three modes to suit every drive:
- ON for maximum sound and flow
- OFF for quiet operation when you need it
- AUTO to open and close the valves automatically at a user-defined rpm
The plug and play OBDII controller connects in minutes, letting you take full control of your Mercedes E53 valved exhaust right away.
OPF delete solution
Stone offers an OPF delete that can be included free of charge. This allows installation of the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, so coding out the OPF error on the ECU is not required.
Stone Exhaust R&D and manufacturing
Stone engineers 3D scan the OEM Mercedes-Benz E53 AMG exhaust to analyse pipe diameter, routing and bend angles. Using 3D simulation, they optimise exhaust gas flow, thermal behaviour and pressure zones. The 7 axis CNC bending process achieves outstanding roundness and accuracy to minimise flow disruption. Crisscross plus overlapping welds and direct spot welding increase strength and thermal tolerance for long-term reliability.
Hear it and see it
Valvetronic System Installation
Sound and performance
Compatibility
Mercedes-Benz E-Class
- W213 E53 AMG 2016 to 2018 with the M256 engine
Fitting and support
Professional installation available at Nforcd in Warwickshire. For a fitting quote or to discuss your Mercedes E53 AMG exhaust upgrade, email Sales@nforcd.com.
Warranty
Stone Exhaust 2 Year Warranty
Part number
SKU: MP531S
Search terms
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