Weistec W.3 Turbo Upgrade ECU Tuner

The Weistec W.3 Turbo Upgrade represents a significant enhancement for Mercedes-Benz M157 engine vehicles, offering a blend of OEM appearance and increased performance. This upgrade involves machining the factory compressor cover and center cartridge to accept a proprietary 5-axis CNC-machined impeller wheel. Constructed from billet aluminum, the larger impeller wheel and advanced machining technology result in very short spool-up times and impressive overall power output. The W.3 upgrade is tailored exclusively for the factory M157 Garrett GT22 frame, ensuring a 100% bolt-on installation with no need for custom oil and water lines; all factory lines connect directly using original gaskets. Weistec recommends replacing the oil feed lines with new OEM Oil Feed Lines, particularly on higher mileage vehicles. This upgrade is not street legal in all US states, and a clear warning states: 'NOT LEGAL FOR SALE OR USE ON POLLUTION CONTROLLED MOTOR VEHICLES.' A core exchange option is available, where upgraded turbochargers are shipped upfront for a refundable core charge upon receipt and inspection of your factory turbo units. For optimal performance, Weistec recommends pairing this turbo upgrade with their Downpipes and High Flow Air Filters. An M157 ECU Upgrade is also required. The product is explicitly compatible with various Mercedes-Benz GLE63 AMG models from 2016-2019, equipped with the Twin Turbo 5.5L V8 (M157) engine.