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#1
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300e antilock light and brakes
Have an 86 300e that runs fine with the exception that the antilock brake light began to come on intermittently and now is on most of the time. It appears that the antilock feature of the brakes does not work when the light is on.
Previously while slowly stopping on dry pavement thre was a strange altilock like pulse in the pedal. otherwise no other symptoms. |
#2
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I haven't worked on an ABS quite like that, but my first reaction is a possible problem with the wheel sensors.
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'03 E320 Wagon-Sold '95 E320 Wagon-Went to Ex '93 190E 2.6-Wrecked '91 300E-Went to Ex '65 911 Coupe (#302580) |
#3
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Could be a problem with your OVP. You might check the fuse inside of it. Has it been replaced before?
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Mike Heath 1988 560SL Black/Palomino 1988 300SEL Black Pearl/Burgandy 1984 500SEC Anthracite Grey/Palomino |
#4
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Do a search on 'OVP', you will find out loads and how it affects ABS
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Mick J '08 Chrysler 300CRD (MB OM 642 engine) '95 E220 estate '89 230TE (R.I.P.) |
#5
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I had the same trouble with my 94 E420. The dealer replaced the stop lamp swith and a solenoid valve relay module - ABS/ASR, and everything worked fine again.
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#6
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Sounds like a wheel speed sensor to me.
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Steve Brotherton Continental Imports Gainesville FL Bosch Master, ASE Master, L1 33 years MB technician |
#7
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Quote:
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#8
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I was reading off my copy of the service invoice. There are what appear to be some part numbers: the stop lamp switch would be 001-545-01-09 (retail at $15.23) and the solenoid valve relay module is 001-542-67-19 (retail at $33.08). I hope this helps.
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#9
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Try cleaning the wheel sensors, located on the front wheels. Pull it out and remove all particles that's clinging on. Sometimes, due to low voltage, ..this system also fails. Check your charging system if it's okay. Check battery voltage, at least 13.4 should register on your volt meter. If it's too low, ..maybe it's time to check and/or replace the brushes on the alternator. It should be easy to do, ....I have to remove two screws , ..pull it out and put the new ones in. ( 420 SEL )....
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