the 2004 season. Adrian Newey said that the MP4-19 was identical to the MP4-18; in many ways it was, carrying over the narrow nosecone and slim sidepods. However, the Mercedes-Benz engine still remained problematic, with McLaren encountering reliability issues until the introduction of the MP4-19B upgrade at the French Grand Prix. Newey believed these problems could have been resolved had he not been outvoted in a decision as to whether to retain the MP4-18's design or evolve the design further, the latter of which he was intent on. See also Toyota TF101 Prost AP05 References Further reading YouTube documentary by The Race about the MP4-18 YouTube documentary by Aidan Millward about the MP4-18 Book, Unraced...: Formula One's Lost Cars, including a section on the MP4-18 McLaren MP4 18 Formula One cars that never raced