McLaren MP4-12C
Registered from 2009 to 2021.
About this model
The McLaren MP4-12C, later rebranded as the McLaren 12C, is a sports car produced by the British carmaker McLaren Automotive. Manufactured between 2011 and 2014, the MP4-12C was available as both a coupe and a retractable hard-top convertible, the latter known as the "Spider".
From the Wikipedia article McLaren 12C, licensed under CC BY-SA 4.0.
Specification
| Year | Measured |
|---|---|
| 2016 | 641 hp |
| 2015 | 641 hp · 1376 kg · 2670 mm wheelbase · Coupe, 2-door |
| 2014 | 617 hp · 1415 kg · 2670 mm wheelbase |
| 2013 | 617 hp · 1485 kg · 2670 mm wheelbase |
| 2012 | 592 hp · 2670 mm wheelbase |
Regulator investigations
Opened by NHTSA's Office of Defects Investigation. An investigation is a question the regulator asked about a possible defect, not a fault it found — most end without a recall.
Desiccated Air Bag Inflator Rupture
Engineering analysis, opened September 2021, still open.
What the maker told its dealers
Service bulletins are the manufacturer's own repair guidance to dealers, filed with NHTSA. A bulletin is not a defect finding; the count rises with how many things a maker writes down, not only with how many go wrong.
McLaren filed 22 bulletins about the 2014 MP4-12C.
- Electrical system: 3
- Engine and engine cooling: 3
- Fuel/propulsion system: 3
- Suspension: 3
- Engine: 2
- Equipment: 1
- Power train: 1
- Service brakes, air: 1
- Service brakes, hydraulic: 1
- Other: 4
- Updated Voltage for Sensor Position · August 2026
- McLaren DMTL Test Diagnosis · July 2026
- Apple CarPlay Quick Start Guide and Troubleshooting · May 2026
- Airbrake Diagnosis Guide · April 2026
- Nose Lift Operation Concerns · December 2025
- McLaren DMTL Test Diagnosis · December 2025
- A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads · November 2025
- Boost Control Diagnosis Guide · October 2025
14 more.
Grouped by NHTSA's top-level system; a bulletin filed under a sub-heading counts toward its system.