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Driving down the highway yesterday and suddenly felt like my left rear tire was shot. Entire car dropped down left and rear and got an "ABC MALFUNCTION" warning.
Then the entire car lifted up to full height and full stiffness. I stopped and thought maybe restart would fix it since it was clearly a sensor issue (no leaking fluid, car was able to maintain height). S600, Z71 off road package!
I thought that the left rear sensor failed since that's which corner dropped. Upon restart the whole car started up and down for about 30 sec then went to max height again. A visual inspection of the left rear sensor showed nothing wrong so I limped it home. Fluid and pump were fine, so I was ok driving it. Hooked it up to my friend's Snap-On scan tool and saw that the left front sensor was bad! Ok, so before I ordered a replacement I pulled that wheel off and this is what I saw!
The arm attaching the sensor to the car had popped off. I put it back on (clamped with some pliers) with a solid click and the car sorted itself out. No more errors, no more rough riding.
Learnings were:
1. Don't trust your instincts on which corner is bad. System is all connected
2. Use your eyes and inspect before you even bother with a scanner or new parts
3. A sudden malfunction accompanied by no loss of "power", fluid or pump noises is almost certainly a sensor issue
4. Wish I could manually summon that "max up" mode. Could be handy at times. Yes, I know I can raise it via dashboard, but not that far
glad it was a minor fix! I worry about those popping off too because I installed adjustable links. So far so good, though. If the clip inside that piece is wearing out or missing, it'll pop off again. Maybe it's time for some adjustable links! I barley lowered mine about a quarter to half inch to maintain a good ride, but just fill in the wheel gap a little.
glad it was a minor fix! I worry about those popping off too because I installed adjustable links. So far so good, though. If the clip inside that piece is wearing out or missing, it'll pop off again. Maybe it's time for some adjustable links! I barley lowered mine about a quarter to half inch to maintain a good ride, but just fill in the wheel gap a little.
These are adjustable links and when it went back on, it felt very securely attached. I think it was an impact on a horrible piece of Detroit road that did it
Hi there. I am experiencing what you experienced with the ride height of my s65 lowering and raising. I would like to check if this might be the culprit. Exactly how do I find this sensor arm? Thanks for your help in advance.
Originally Posted by lionsfan54
Driving down the highway yesterday and suddenly felt like my left rear tire was shot. Entire car dropped down left and rear and got an "ABC MALFUNCTION" warning.
Then the entire car lifted up to full height and full stiffness. I stopped and thought maybe restart would fix it since it was clearly a sensor issue (no leaking fluid, car was able to maintain height). S600, Z71 off road package!
I thought that the left rear sensor failed since that's which corner dropped. Upon restart the whole car started up and down for about 30 sec then went to max height again. A visual inspection of the left rear sensor showed nothing wrong so I limped it home. Fluid and pump were fine, so I was ok driving it. Hooked it up to my friend's Snap-On scan tool and saw that the left front sensor was bad! Ok, so before I ordered a replacement I pulled that wheel off and this is what I saw!
The arm attaching the sensor to the car had popped off. I put it back on (clamped with some pliers) with a solid click and the car sorted itself out. No more errors, no more rough riding.
Learnings were:
1. Don't trust your instincts on which corner is bad. System is all connected
2. Use your eyes and inspect before you even bother with a scanner or new parts
3. A sudden malfunction accompanied by no loss of "power", fluid or pump noises is almost certainly a sensor issue
4. Wish I could manually summon that "max up" mode. Could be handy at times. Yes, I know I can raise it via dashboard, but not that far
Driving down the highway yesterday and suddenly felt like my left rear tire was shot. Entire car dropped down left and rear and got an "ABC MALFUNCTION" warning.
Then the entire car lifted up to full height and full stiffness. I stopped and thought maybe restart would fix it since it was clearly a sensor issue (no leaking fluid, car was able to maintain height). S600, Z71 off road package!
I thought that the left rear sensor failed since that's which corner dropped. Upon restart the whole car started up and down for about 30 sec then went to max height again. A visual inspection of the left rear sensor showed nothing wrong so I limped it home. Fluid and pump were fine, so I was ok driving it. Hooked it up to my friend's Snap-On scan tool and saw that the left front sensor was bad! Ok, so before I ordered a replacement I pulled that wheel off and this is what I saw!
The arm attaching the sensor to the car had popped off. I put it back on (clamped with some pliers) with a solid click and the car sorted itself out. No more errors, no more rough riding.
Learnings were:
1. Don't trust your instincts on which corner is bad. System is all connected
2. Use your eyes and inspect before you even bother with a scanner or new parts
3. A sudden malfunction accompanied by no loss of "power", fluid or pump noises is almost certainly a sensor issue
4. Wish I could manually summon that "max up" mode. Could be handy at times. Yes, I know I can raise it via dashboard, but not that far
Originally Posted by lionsfan54
in this pic, my hand is at the top of where the strut mounts, top of the wheel well. You can see the upper control arm at the top of the pic too
I’ll try my best to locate it. Complete amateur here :-)
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
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