Stone Exhaust Cat-Back Valvetronic Exhaust for Mercedes-Benz AMG GLE43 GLE450 W166 C292 M276
Upgrade your Mercedes-Benz AMG GLE43 or GLE450 with the Stone Exhaust Cat-Back Valvetronic Exhaust System for the M276 engine. Engineered for the W166 GLE SUV 2015 onward and the C292 GLE Coupe 2016 onward, this valved cat-back transforms sound and response while retaining OEM-like comfort. Designed using full 3D scanning and reverse engineering of the factory exhaust for perfect fit and alignment, this is the premium GLE43 exhaust and GLE450 exhaust solution for drivers who want switchable sound, everyday usability and proven performance development.
We have fitted and run this Stone Valvetronic cat-back on UK Mercedes AMG GLE 43 and GLE 450 models. Feedback from our customers has been consistently excellent, with praise for the refined tone with valves closed, the aggressive Stone signature sound with valves open and the lack of cabin drone on the motorway.
Why choose the Stone Valvetronic Cat-Back for AMG GLE43 and GLE450
- Mercedes-Benz AMG M276 W166 and C292 specific fitment - precise OEM fit, no cutting of OEM hangers
- Valvetronic switchable exhaust - quiet when you want, loud when you want
- Remote control with ON, OFF and AUTO modes - customise valve opening by rpm
- Plug and play OBDII controller - quick connection and simple control
- Eliminates the drone often found on the standard exhaust system
- Dyno developed in-house by Stone Exhaust for performance-focused flow and sound
- One piece design with machine welding for strength and consistency
- 3D scanning and reverse engineered from OEM for 100 percent OEM-style fitment
Engineered for performance and reliability
- 7 axis CNC bending - up to 98 percent roundness with only 25 percent outer bore wear at 180 degrees for smooth flow
- Accuracy error under 0.025 mm thanks to advanced CNC, reverse engineering and 3D design
- Crisscross and overlapping welding techniques at high stress joints to withstand extreme temperatures of 800 to 1100 degrees Celsius
- Direct spot welding by mechanical welding arms for superior precision and penetration
Valvetronic control - sound on demand
The Stone Valvetronic remote gives you instant control of the exhaust valves. Choose ON for an open valve and maximum sound, OFF for a refined OEM-like tone, or AUTO to open and close the valves at your chosen rpm. The system is plug and play via the OBDII port for fast installation of the controller.
OPF delete option included
Running an OPF equipped car. Stone provides an OPF delete function at no extra cost. This allows installation on OPF cars without triggering a fault code, so coding out the OPF on the ECU is not required.
Compatibility - Mercedes-Benz AMG M276
Mercedes-Benz AMG GLE Class:
- W166 GLE43 and GLE450 - 2015 onward
- C292 GLE43 and GLE450 - 2016 onward
Fitting and installation
This cat-back valved exhaust is designed for direct fitment on the specified M276 models and uses the plug and play OBDII controller for the valve system. For professional installation and peace of mind, we recommend booking fitting with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Part number
MP516S
Warranty
Stone Exhaust 2 year warranty.
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