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1. Got a puncture. I was near home so raced back before pressure dropped too much and fitted the space saver (collapsible type)
2. Got errors like pressure sensor missing, ABS and TC deactivated, maybe a ride height error, pre-safe inoperative, check engine light, cruise control not working but I could still drive. I figured the radius was a bit different on this tyre. It was very close to the arch compared to the stock wheels.
3. I drive 10 miles, stop for something, then drive another 20 miles. Stop at traffic lights and go from P to D (I went to P as push to hold brakes were not working.) but I had no drive. I was in D but not much happened.
4. I was luckily right near my appointment so I managed to roll into a parking spot. Incredible luck.
5. An hour later, I come out and start the car and I can drive again. I drive 5 miles, pull over and put in P. Once again go to set off and nothing happens. Pressing the pedal does almost nothing. I can hear the transmission clunk between P, D and R but the car just won't let me go!
6. Call recovery truck who took me home.
What is going on!? Is this all related to this wheel size? I will need to wait to Monday to take my normal wheel to get plugged but can I fit it and everything will resolve itself? It seems mad that the original AMG space saver would cause these sorts of issues and prevent me from driving.
Will I need to clear codes or something?
How can this cause the check engine light to come on?
I bet a battery pull and the right rim and tire and TPMS will resolve all this; you're in a limp mode because I think of different speeds of three wheels compared to one wheel
Last edited by PeterUbers; 02-12-2022 at 11:13 PM.
I bet a battery pull and the right rim and tire and TPMS will resolve all this; you're in a limp mode because I think of different speeds of three wheels compared to one wheel
Is that disconnecting the battery under the hood for 10 minutes and reconnecting? Do I need to touch the aux battery?
Are your other wheels and tires stock size?
Spare inflated to right psi?
Seems weird, from our crappy winter potholes I use my spare 1-2 times a year and nothing like you described. Including highway driving on the spare sometimes for days until I swap a bent rim.
All other wheels are stock sizes. No other issues with the car at all. What pressure do you run your spare at?
I haven't been able to get this sorted yet. Tyre place wouldn't fix the puncture as too close to the edge so I am doing it myself, hopefully later today just to be able to limp the car to the garage for new rears. I will post how it goes.
Front or rear puncture?
Any other damage? Maybe whatever you drove over took something else out. Holes or leaks anywhere?! Not trying to scare you, but, this is very weird.
So the puncture was a woodscrew. I don't think it was too close to the edge to fix, only too close for the large mushroom patches they use at the garage however I have just ordered a pair of Eagle F1 Supersports to be fitted next week.
I fixed the puncture with my kit at home, put it back on the car and left the battery disconnected for 30 minutes. I think this wasn't long enough as the errors were all still there but I have a code reader so I cleared everything that way. I had all sorts of codes in the engine, TCU and other modules. Things like wheel speed sensor error, RPM output shaft error. I was quite worried when I saw them but I think they can all be explained by having the wrong rolling radius.
I cleared them all and went for a 5 mile drive, all seems ok!
So after all this, it seems like the car will allow you to drive for a bit with the wrong rolling radius but then it will just decide to not let you! I checked and my spare was inflated to 50psi, as per the label.
Front or rear puncture?
Any other damage? Maybe whatever you drove over took something else out. Holes or leaks anywhere?! Not trying to scare you, but, this is very weird.
Rear right. No damage to anything other than the tyre as far as I can tell.
I don't see how that puncture is "too close to the edge". It's a clean puncture on the contact patch. Other than a tire profile slash/puncture or a inner bead fracture... I don't see how that's not repairable. BS. They are trying to sell you a new tire.
I don't see how that puncture is "too close to the edge". It's a clean puncture on the contact patch. Other than a tire profile slash/puncture or a inner bead fracture... I don't see how that's not repairable. BS. They are trying to sell you a new tire.
They use these mushroom type plugs. He said as it is near the edge, as the sidewall moves, the repair would fail and they have chosen to just not do these types of repair anymore. They are by far the best tyre place near me, I trust the guys and understand they don't want to sell a bodge type of repair.
Anyway, I have bodged it temporarily and bought my tyres elsewhere as they couldn't get what I wanted (no one can apart from a couple of specific places online it seems) but they will be fitting them.
They use these mushroom type plugs. He said as it is near the edge, as the sidewall moves, the repair would fail and they have chosen to just not do these types of repair anymore. They are by far the best tyre place near me, I trust the guys and understand they don't want to sell a bodge type of repair.
Anyway, I have bodged it temporarily and bought my tyres elsewhere as they couldn't get what I wanted (no one can apart from a couple of specific places online it seems) but they will be fitting them.
Interesting. I have never seen these. I am in NYC. They either do a patch (which is glued on from the inside) or a plug (which they apply from the outside of the tire without even dismounting the tire off the wheel). Cool! Glad that you trust this shop and you know 100% they are not trying to take you for a ride.
I don't see how that puncture is "too close to the edge". It's a clean puncture on the contact patch. Other than a tire profile slash/puncture or a inner bead fracture... I don't see how that's not repairable. BS. They are trying to sell you a new tire.
Over here that would not be legal for a garage to repair....only the centre 70% of the tread is deemed safe to repair. Always been that way as long as I've been driving...about 37 years!
I don't see how that puncture is "too close to the edge". It's a clean puncture on the contact patch. Other than a tire profile slash/puncture or a inner bead fracture... I don't see how that's not repairable. BS. They are trying to sell you a new tire.
Try a garage and get an outside plug. I got this rear plugged on my GLE63s last week:
02-12-2022, 07:47 PM
