Every SLR came with carbon-ceramic brakes, which owners describe as linear but needing warm-up to feel right. Replacement is spoken of as enormously expensive (pads quoted in the tens of thousands, calipers around $12,000) but rarely needed outside track use, as the rotors are considered lifetime components. …
Carbon-ceramic brakes: cost, feel, and the service bulletin
Mercedes-Benz SLR McLaren (C199) · mechanical