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1987 560SEL problems with jerking when accelarating
Hello i was directed to repost this in here as i mistakenly put it in the wrong section before. I own a 1987 560SEL my problem is as an example if i get onto the highway and go 1-60 it will shift very smooth. Then release the gas the breaks will apply themselves (which i assume is by design? quite annoying rlly tho). So it will drop to like 45-50 when i go to give it gas again it will jerk the car quite aggressive im assuming its the transmission shifting into a new gear? Im just not sure if this is considered normal or if im breaking something by driving it around.
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The brakes should never apply themselves. Are you sure you just aren't stuck in a low gear and the engine RPM is slowing the car down? If so, it's entirely possible that you get an abrupt shift when you hit the gas again. Check for vacuum leaks, barring that sounds like time to have the transmission checked out.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!) |
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The ABS system on the W126 is just that.....Anti-Lock Brakes. If you hit the brakes hard enough to lock the wheels, it pulses the brakes to keep the wheels from locking and sending you into a skid.
Self-applying brakes on Mercedes didn't come around for over a decade after your car was built, and only to prevent a crash! The brakes should never apply themselves on a W126. Since the jerking happens when you accelerate, let off the gas, then accelerate again, it sounds like you have a transmission sticking in a gear or stumbling during a gear change. If you're not technically inclined, it would be well worth having it checked by a reputable shop before you do any permanent damage to it.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!) |
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As a first step, the circumference of each tire (aka, "tire roll-out") should be measured and compared. |
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6501160 9 126039 12 52 1 274 412 581 109564 M442 806 494 872 2 172 G519 873 551 Edit:the formatting gets changed when i post i guess but the 3 digit codes it has are 442,491,519,551,581,806,873 |
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