The £90k 570S has arrived - bargain of the year?

[993AL]

RSbandit said:

Crazy4557 said:

Faulty bonnet latch

I noticed there was no secondary safety latch in the 570 spider I had recently didn't think that was a good idea it failed while you were in motion?

I believe there is a secondary latch, it's just not apparent when you open the bonnet with the button or fob because the electrical operation allows the bonnet catch to spring past the primary and secondary latches.

When closing the bonnet it does actually click into the seconardy latch before fully closing in the primary latch. I assume that if the bonnet opens for any other reason than with the switch, the secondary latch will catch it.

[RBT0]

Wrong, they don't have a secondary latch, well known for this in the automotive industry.

Happy to be proven wrong with part schematics....

[Crazy4557]

Happy to prove wrong with experience too.

[993AL]

Crazy4557 said:

Happy to prove wrong with experience too.

Care to share your experience?

When you're closing the bonnet there is definitely a secondary latch, if you click the bonnet into the secondary latch (first) there's no way to lift the bonnet until you fully close the bonnet and then press the button to open it again. It would suggest that there is a secondary latch that operates if the bonnet opens when it's not supposed to, i.e. by any other means than the button.

I agree that if you open the bonnet with the switch and then drive off (if you hold the D button down for an extended period to override the safety) that there's no secondary latch and your bonnet WILL fly open.

I was like everybody else who thought it was a bad idea not to have a secondary catch until I went and checked it out but it doesn't make sense to not have it and probably against the regs? It would be good for a McLaren tech person to confirm but I too am happy to be proven wrong.

Edited to add https://www.topspeed.com/cars/car-news/mclaren-rec...

I am sure if it's a problem for the P1 then it's a problem for any McLaren?

Edited by 993AL on Saturday 13th July 10:10

[RBT0]

I have a 600LT.

Once you press the opening button on the dash or keys, the bonnet is open, just needs to be lifted, no other safety latches to be manually operated like e.g. Porsche where you need to use your fingers underneath the bonnet to move the secondary latch lever and then lift the bonnet.

Again...happy to be proven wrong...

[justin220]

RBT0 said:

I have a 600LT.

Once you press the opening button on the dash or keys, the bonnet is open, just needs to be lifted, no other safety latches to be manually operated like e.g. Porsche where you need to use your fingers underneath the bonnet to move the secondary latch lever and then lift the bonnet.

Again...happy to be proven wrong...

Try closing it, and you'll notice the difference. It has two catches. On the 'top one' you can move the bonnet up and down half an inch or so and can only push it to close. You can't unlatch it at this point and open it again.

[993AL]

RBT0 said:

I have a 600LT.

Once you press the opening button on the dash or keys, the bonnet is open, just needs to be lifted, no other safety latches to be manually operated like e.g. Porsche where you need to use your fingers underneath the bonnet to move the secondary latch lever and then lift the bonnet.

Again...happy to be proven wrong...

Yes, that’s exactly what I’ve said. The difference is if it opens without you using the switch or the fob, I’m suggesting that the secondary latch comes into play then.

[RBT0]

I dont get it gents.

Simply, if you open the bonnet using the switch on the console or on the fob, then you drive the car ignoring any warnings, the bonnet will be open and the air will push the bonnet up.

With Porsche, this is impossible, there's a second latch which needs to be manually operated to lift the bonnet, not with 570/600s

[Beefmeister]

You’re not reading what they’re writing. When you unlock with the fob, the system pushes the bonnet up to a fully open state.

However there is a primary and secondary latch that it opens in that instance. If the primary fails the secondary will still catch the bonnet when driving and air gets underneath.

You can test this yourself by going to your car and closing the bonnet gently. You’ll notice a first latch catches, then a second when pushed all the way down.

[RBT0]

Thanks, now it’s clear.

Still different from Porsche though, where the second latch needs to be manually operated.

I don’t get the reason of the two latches if the secondary one cannot be manually operated...

[Crazy4557]

Beefmeister said:

You’re not reading what they’re writing. When you unlock with the fob, the system pushes the bonnet up to a fully open state.

However there is a primary and secondary latch that it opens in that instance. If the primary fails the secondary will still catch the bonnet when driving and air gets underneath.

You can test this yourself by going to your car and closing the bonnet gently. You’ll notice a first latch catches, then a second when pushed all the way down.

So are you're saying that if you open the bonnet with the fob and drive off it won't get pushed up by the airflow but if you open the bonnet with the internal button the bonnet will raise with the airflow once driving?
Does this mean the secondary catch won't come into play when an alternative opening device is used?
I'm interested to hear as I have experienced the latter where the bonnet has raised when driving off.

[RBT0]

If you open with fob and drive away, the air will lift the bonnet.

Think about it, once you press the fob or button on console, you can easily lift the bonnet up w/o any further operation. The same will do the air....unless the car check the vehicle speed and activate a second latch? Never heard of this in the automotive industry.

[993AL]

Jeez, this is getting to be hard work, I’ll try one more time.

• If you open the bonnet with the fob or the switch you can’t drive away, the car won’t let you engage drive or reverse and it will put a message on the dash that the bonnet is open.

• You can override this by holding the drive or reverse button down for 5 seconds, THEN if you drive away and get up to speed the bonnet will fold around your windscreen and roof.

But

• Supposing you drive off with the bonnet closed and say you’ve over packed the boot and the first catch decides it can’t hold any longer and pops, at that point the second latch stops the bonnet from opening because it hasn’t been disengaged with the fob or the consul switch.

[Ferruccio]

Exciting stuff.

[RBT0]

Well 993, now that is a cracking of a post, thank you!

Makes sense now...

I was not aware of this second latch mechanism, nor the safety measures in place i.e. gearbox...

[anonymous-user]

993AL said:

Jeez, this is getting to be hard work, I’ll try one more time.

• If you open the bonnet with the fob or the switch you can’t drive away, the car won’t let you engage drive or reverse and it will put a message on the dash that the bonnet is open.

• You can override this by holding the drive or reverse button down for 5 seconds, THEN if you drive away and get up to speed the bonnet will fold around your windscreen and roof.

But

• Supposing you drive off with the bonnet closed and say you’ve over packed the boot and the first catch decides it can’t hold any longer and pops, at that point the second latch stops the bonnet from opening because it hasn’t been disengaged with the fob or the consul switch.

• * Correct ***

[RSbandit]

Bit of a thread resurrection here as there are a few more 570s' below the 90k level 6 months on these two in particular look v nice at least on paper in photos :
https://www.mayfairprestigeuk.co.uk/used-cars/mcla...

https://www.tomhartley.com/used-car-details/used-m...

Anyone know either car? The Mantis green one at Hartleys seems to have a full carbon spec which must have been a nice list price! I'm pretty sure it was for sale privately before it turned up at that dealer. Both cars out of warranty though so that needs consideration but these two v interesting to me.

[Turbo cab]

RSbandit said:

Bit of a thread resurrection here as there are a few more 570s' below the 90k level 6 months on these two in particular look v nice at least on paper in photos :
https://www.mayfairprestigeuk.co.uk/used-cars/mcla...

https://www.tomhartley.com/used-car-details/used-m...

Anyone know either car? The Mantis green one at Hartleys seems to have a full carbon spec which must have been a nice list price! I'm pretty sure it was for sale privately before it turned up at that dealer. Both cars out of warranty though so that needs consideration but these two v interesting to me.

The Mantis green car was my old one, Was one of the more reliable ones I had to be fair, Major spec and listed at close to £220k.

[355spiderguy]

Turbo cab said:

The Mantis green car was my old one, Was one of the more reliable ones I had to be fair, Major spec and listed at close to £220k.

How you getting on with the new one...dare i ask?

[RSbandit]

Thanks Turbo Cab that's a seriously punchy list price although it is one of the nicest spec cars I've seen...how long did you have the car for and how many miles? Presume it had warranty work done any corrosion issues? I'm travelling at the minute but will reach out to the dealer when I'm back so will be interesting to see if there's a deal to be done.