The first 300 SLR example built, this car was used for test and development runs only. It was run at Monza, the Nürburgring and also saw action during the first reconnaissance run for the Mille Miglia. Retired from active service, chassis 00001 was loaned to The Henry Ford museum in Dearborn at the end of the 1950s. In 2001, the first SLR returned to Stuttgart. Still in very original but non-running condition, it made a very rare public appearance at the 2015 Goodwood Festival of Speed, where all but one of the surviving SLRs were lined up together.