E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

ABS problem

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Old Jan 24, 2004 | 02:03 PM
  #1  
GTFsr's Avatar
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From: Manorville, NY
300E
ABS problem

The ABS light is on now most of the time. When it is on, obviously I have no antilock brakes. The few times it goes out the antilock brakes work but cycle too easily. Like I'm driving on ice with some nice summer tires instead of my Bridgestone Blizzak's.
The car has 359,000.
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Old Jan 24, 2004 | 04:15 PM
  #2  
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Jer
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From: Middlefield, CT
1994 E320
The easiest (and cheapest) fix is the battery/alternator. If the battery or charging system are not in order, the ABS will shut-off at low voltage so more power is available to the fuel injection and other 'essential' systems.
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Old Jan 25, 2004 | 12:03 PM
  #3  
neanderthal's Avatar
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have you tried cleaning the abs sensors?
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Old Jan 25, 2004 | 02:18 PM
  #4  
GTFsr's Avatar
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From: Manorville, NY
300E
I replaced them a few months ago. They were very dirty.
I cleaned the gear ring the sensor reads also.

Thanks
George
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Old Jan 25, 2004 | 04:36 PM
  #5  
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Also, rule out obvious things like fuses, OVP...

You probably already have, but just wanna make sure
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Old Jan 25, 2004 | 11:42 PM
  #6  
GTFsr's Avatar
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From: Manorville, NY
300E
OVP?

Hopefully thats not the ABS pump.

George
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Old Jan 26, 2004 | 06:28 AM
  #7  
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From: Reading, UK
C280
OVP= Over Voltage Protetion relay. It sits behind the battery next to the ECU and is about 3 inches high and has a fuse sitting on the top. The originals, which say Made in Austria on them have a design flaw and the internal soldering breaks down over a period of time. Its cheap to replace @ $60 and takes 5 minutes to replace once you have removed the battery.

The correct/enhanced OVP relay part No is 000 540 67 45.

Cheers
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Old Jan 26, 2004 | 10:29 AM
  #8  
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From: Germany
'00 S320 W220, '98 A160 W168/ sold in 2005 '86 260 E W124 '90 260E W124
I would go as Jer and mjtray are suggesting.
Have you also replaced the rear ABS sensor in the differential? If not try this also. The restance of a new sensor shall be 0.6 to 1.6 Ohms (if I'm not totally mistaken)
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