It was the first series-production McLaren to feature a one-piece carbon fiber MonoCell chassis , which provides extreme rigidity while keeping the weight low.
While generally considered reliable for a supercar, early models (2011–2012) had some known "teething" issues: 20361mp4
Owners suggest that while it is "bulletproof" for some, it remains an expensive car to maintain due to limited dealer networks. Community Perspectives It was the first series-production McLaren to feature
“This is the most complete and refined super car I have ever owned/driven... great fun, fast, comfortable, and reliable.” Kelley Blue Book 2014 Mclaren MP4-12C Consumer Reviews - Kelley Blue Book 20361mp4
It features active rear aerodynamics, including a rear wing that acts as an airbrake when stopping. Reliability and Common Issues