Mercedes-Benz AMG GT (C190/R190)

Start with identity, paperwork and originality. For the Mercedes-Benz AMG GT (C190/R190), the strongest cars have continuous ownership history, matching numbers where applicable, original books and tools, factory build documentation and evidence of work by manufacturer-approved specialists. For collector variants: hard-cap number in-hand (GT R Pro, GT R Roadster, Edition 50), original paint, delivery mileage, unmodified aero and factory carbon content. For series cars: manual-only trims don't exist here — spec, colour and mileage decide.

M178 V8 (cross-plane) is robust. Verify ECU update history and gearbox software revisions across all variants. A proper pre-purchase inspection includes cold-start behaviour, ECU diagnostics and fault-code history (where applicable), leak-down or compression testing, underbody photography, suspension and chassis inspection, brake condition and a long enough road test to expose heat-related faults. Deferred maintenance on a car of this class is almost always more expensive than buying a better-sorted example.

Use a paint-depth gauge, lift access and a specialist familiar with the model's factory panel gaps and finish standards. Collector value is dramatically affected by structural repairs, refinished panels, poor paintwork and missing factory trim or option content. Documented cosmetic refresh is acceptable; concealed accident or fire damage must be priced severely.

Numbered limited variants first (GT S Edition 1, GT C Edition 50, GT R Pro, GT R Roadster). Within the series-production trims, low-mileage GT R coupes and manual-spec GT C Roadsters carry the residual premium. Specification, colour, options and limited-build variants move values significantly. Buy the best-documented example in the most desirable specification you can justify, rather than a tired example of a rarer derivative that will need years of corrective work.