Ron Dennis Addresses McLaren MP4-12C Quality Niggles In Customer Letter

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Ron Dennis and the McLaren MP4-12C

Ron Dennis and the McLaren MP4-12C

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Following reports that McLaren was slowing production of its latest MP4-12C supercar due to niggling quality issues affecting the first batch of cars to come off the line, the boss of McLaren’s newly established road car division and former F1 head Ron Dennis has mailed a personally signed letter to customers addressing some of the issues and what his company is doing about it.

Forwarded to the Teamspeed forums by an owner of the MP4-12C supercar, Dennis admits in the letter that the cars have a number of problems, albeit minor ones.

They include what he refers to as “early software bugs” which result in unnecessarily sensitive warning lights, battery drainage in certain conditions, and IRIS performance issues. IRIS is the name of McLaren’s infotainment system, which is powered by an Intel Atom chipset and runs on Microsoft software.

Importantly, Dennis states that customers will likely have to bring their cars back to the dealer they bought them from for a software upgrade.

To soothe things over Dennis also sent a coffee table book along with his letter.

A spokesperson for McLaren has confirmed the details of the letter and stated that the issues mentioned by Dennis pose no safety threat, quelling claims that a recall may be necessary. 

Concerned MP4-12C customers should contact their dealer or the McLaren assistance hotline on 0800 975 8285.

Hit the next page for a full transcript of the letter from Dennis.

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Comment (1)
  1. Good on McLaren for addressing this now rather than later. How many Ferrari 458s burned to the ground, leaving owners stranded and possibly even injured, until Ferrari bothered to issue a recall..

    Can't wait till the F1 successor comes out!
    Post Reply
    Bad stuff?


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