ESP blinking. Jolt when pulling away.
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Member
Joined: Feb 2017
Posts: 209
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W221 S500 4matic, W220 S500
ESP blinking. Jolt when pulling away.
Hey,
I have experienced some weird ESP malfunction. After some driving, when I park and come back, start a car, ESP starts to blink iterminentely, I shift to D, and apply some throttle, nothing, apply some more car jolts and starts to drive, ESP sign disappears. Also I've found, that if I disable ESP on the dash, it doesn't jolt.
OBD shows me something interesting:
5995 Brake disk temperature.
What's Your thoughts?
I have experienced some weird ESP malfunction. After some driving, when I park and come back, start a car, ESP starts to blink iterminentely, I shift to D, and apply some throttle, nothing, apply some more car jolts and starts to drive, ESP sign disappears. Also I've found, that if I disable ESP on the dash, it doesn't jolt.
OBD shows me something interesting:
5995 Brake disk temperature.
What's Your thoughts?
Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
Also I don't know if it is connected, but parking brake is playing. When I apply it, it works fine, but when I get back to car, and open the door, it shows message "release parking brake" and beeps.
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Joined: Aug 2014
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S500
calipers seize up ….very common fault.
With the pads against the disc they get hot.... fitted new ones on mine no issues since . All 8 front pistons seized solid, on a low mileage (50k miles) well loved vehicle. Took me 3 hours to get one pair to move at all. after 12 hours 7 moved one wouldn't.... which is the exact story the garage had said, they don't even bother if the pads don't come out... new calipers, not worth the labour to investigate as its not fixable. Things are far worse with the designed to fail plastic phenolic pistons they use now
but the other common fault sound like ABS sensor failure and the park brake playing up (see the other post)
With the pads against the disc they get hot.... fitted new ones on mine no issues since . All 8 front pistons seized solid, on a low mileage (50k miles) well loved vehicle. Took me 3 hours to get one pair to move at all. after 12 hours 7 moved one wouldn't.... which is the exact story the garage had said, they don't even bother if the pads don't come out... new calipers, not worth the labour to investigate as its not fixable. Things are far worse with the designed to fail plastic phenolic pistons they use now
but the other common fault sound like ABS sensor failure and the park brake playing up (see the other post)
Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
calipers seize up ….very common fault.
With the pads against the disc they get hot.... fitted new ones on mine no issues since . All 8 front pistons seized solid, on a low mileage (50k miles) well loved vehicle. Took me 3 hours to get one pair to move at all. after 12 hours 7 moved one wouldn't.... which is the exact story the garage had said, they don't even bother if the pads don't come out... new calipers, not worth the labour to investigate as its not fixable. Things are far worse with the designed to fail plastic phenolic pistons they use now
but the other common fault sound like ABS sensor failure and the park brake playing up (see the other post)
With the pads against the disc they get hot.... fitted new ones on mine no issues since . All 8 front pistons seized solid, on a low mileage (50k miles) well loved vehicle. Took me 3 hours to get one pair to move at all. after 12 hours 7 moved one wouldn't.... which is the exact story the garage had said, they don't even bother if the pads don't come out... new calipers, not worth the labour to investigate as its not fixable. Things are far worse with the designed to fail plastic phenolic pistons they use now
but the other common fault sound like ABS sensor failure and the park brake playing up (see the other post)
I've cleaned front calipers, a week ago. So it should be rear, or parking brake itself?
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S500
I don't know how it does temps on the brakes.... I guess could be a cleaver bit of maths with resistance change on the pad wear sensors (or from TPMS sensors reading much higher than it expected - They transmit temp, pressure and battery life info over bluetooth)
if you managed to get the calipers and pads moving.... it maybe "an old high temp warning", that you now noticed as you had diagnostics on the car to look at the esp message on the cluster ?
the one next to yours when you posted
https://mbworld.org/forums/s-class-w...operative.html
if you managed to get the calipers and pads moving.... it maybe "an old high temp warning", that you now noticed as you had diagnostics on the car to look at the esp message on the cluster ?
the one next to yours when you posted
https://mbworld.org/forums/s-class-w...operative.html
Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
I don't know how it does temps on the brakes.... I guess could be a cleaver bit of maths with resistance change on the pad wear sensors (or from TPMS sensors reading much higher than it expected - They transmit temp, pressure and battery life info over bluetooth)
if you managed to get the calipers and pads moving.... it maybe "an old high temp warning", that you now noticed as you had diagnostics on the car to look at the esp message on the cluster ?
the one next to yours when you posted
https://mbworld.org/forums/s-class-w...operative.html
if you managed to get the calipers and pads moving.... it maybe "an old high temp warning", that you now noticed as you had diagnostics on the car to look at the esp message on the cluster ?
the one next to yours when you posted
https://mbworld.org/forums/s-class-w...operative.html
1. I had problems with them, and they keeping ESP light on.
2. OBD doesn't show it.
So it might be rear calipers, and/or parking brake.
Seems I have to disassemble it for further verification.
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MBWorld Fanatic!
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S500
the Park brake plays up as the ABS sensors fail... your comment about extra beeps was also something I got (but had forgotten about)…. did you check the post in the link above. I'm very sure they are related issues. FYI It was my front calipers that siezed and the rear ABS sensors
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Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
don't follow your point.
the Park brake plays up as the ABS sensors fail... your comment about extra beeps was also something I got (but had forgotten about)…. did you check the post in the link above. I'm very sure they are related issues. FYI It was my front calipers that siezed and the rear ABS sensors
the Park brake plays up as the ABS sensors fail... your comment about extra beeps was also something I got (but had forgotten about)…. did you check the post in the link above. I'm very sure they are related issues. FYI It was my front calipers that siezed and the rear ABS sensors
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From: Southern US
2010 E550, 273 Engine: 2012 S550, 278 Engine
Hey,
I have experienced some weird ESP malfunction. After some driving, when I park and come back, start a car, ESP starts to blink iterminentely, I shift to D, and apply some throttle, nothing, apply some more car jolts and starts to drive, ESP sign disappears. Also I've found, that if I disable ESP on the dash, it doesn't jolt.
OBD shows me something interesting:
5995 Brake disk temperature.
What's Your thoughts?
I have experienced some weird ESP malfunction. After some driving, when I park and come back, start a car, ESP starts to blink iterminentely, I shift to D, and apply some throttle, nothing, apply some more car jolts and starts to drive, ESP sign disappears. Also I've found, that if I disable ESP on the dash, it doesn't jolt.
OBD shows me something interesting:
5995 Brake disk temperature.
What's Your thoughts?
Disabling ESP naturally fixes it as the car stops caring about the wheel speed difference. It could give some interesting results if you were applying brakes on slippery surface as ABS can be acting up as it also relies on the wheel speed sensor signals. Have you noticed anything different while braking?
Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
Doesn't ESP blink when the car senses wheel speed difference? If I was you I would start with a scanner that reads speed sensors and see if there is one reading much different than others. The jolt could be the result of the gear box taking gear out for slip control and then suddenly engaging again when the speed reading difference goes away.
Disabling ESP naturally fixes it as the car stops caring about the wheel speed difference. It could give some interesting results if you were applying brakes on slippery surface as ABS can be acting up as it also relies on the wheel speed sensor signals. Have you noticed anything different while braking?
MBWorld Fanatic!
Joined: Aug 2014
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S500
I would expect because the car expects slight variations in signals the diagnostics doesn't always notice the start of a failing ABS sensor...
on my bike the TC can't cope with a sensor failing.... but the ABS had no issues with the info it was getting !!!! the TC demanded a perfect match between front and back, but the ABS didn't care about that variation
took BMW 6 hours to fix and their diagnostics was reporting the opposite end of the bike as the bit with the failure....
on my bike the TC can't cope with a sensor failing.... but the ABS had no issues with the info it was getting !!!! the TC demanded a perfect match between front and back, but the ABS didn't care about that variation
took BMW 6 hours to fix and their diagnostics was reporting the opposite end of the bike as the bit with the failure....
Thread Starter
Member
Joined: Feb 2017
Posts: 209
Likes: 20
W221 S500 4matic, W220 S500
I would expect because the car expects slight variations in signals the diagnostics doesn't always notice the start of a failing ABS sensor...
on my bike the TC can't cope with a sensor failing.... but the ABS had no issues with the info it was getting !!!! the TC demanded a perfect match between front and back, but the ABS didn't care about that variation
took BMW 6 hours to fix and their diagnostics was reporting the opposite end of the bike as the bit with the failure....
on my bike the TC can't cope with a sensor failing.... but the ABS had no issues with the info it was getting !!!! the TC demanded a perfect match between front and back, but the ABS didn't care about that variation
took BMW 6 hours to fix and their diagnostics was reporting the opposite end of the bike as the bit with the failure....
