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Library / Mercedes-Benz R63 AMG (W251)

Modifications, superchargers, and the world-record car

Mercedes-Benz R63 AMG (W251) · market

A modding subculture exists — Weistec/Eurocharged superchargers, stage tunes, and even a black R63 that set a world record as the fastest street-legal minivan with Tanner Foust driving. But the market punishes it: Mercedes buyers prefer stock, and heavily modified cars struggle to recover their investment, with commenters noting the mods hurt value versus a clean factory example.