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2009 C220 CDI / 2003 ML350
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32 Posts
Discussion Starter · #1 ·
Hi All

All three the following light are active on my dash:
"BAS/ESP" & "ETS" & "ABS"

Braking seems to be fine but I am worried it may be something big :(

Any suggestions as to what it could be?
 

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99 ML320 2000 ML55 AMG... miss my 84 500sec AMG
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150 Posts
DO A SEARCH!!!!
There is PLENTY of READS on this topic!!!!
Search in this W163 forum
 

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2002 ML55 AMG, 2005 Chrysler Crossfire Coupe Limited, 1999 C280
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4,714 Posts
I hope it's something as easy as replacing your brake light switch.

Otherwise, I hate to tell you that you are in for a bruising, time consuming, frustrating and expensive diagnose and fix.
 

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2002 ML55 AMG, 2005 Chrysler Crossfire Coupe Limited, 1999 C280
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4,714 Posts

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2009 C220 CDI / 2003 ML350
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32 Posts
Discussion Starter · #5 ·

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Super Moderator
99 ML430, 00 ML320, 05 E500 4matic Wagon
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22,982 Posts
You priced the ABS pump for the brakes an it is about $1496 at parts.com.

The wheel speed sensors are around $85 apiece.
 

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Outstanding Contributor
2006 ML500 2002 ML320
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17,659 Posts
Why don't you just have the codes read with a professional grade scanner, instead of suspecting what it is and foolishly spending thousands on parts.
 

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2009 C220 CDI / 2003 ML350
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32 Posts
Discussion Starter · #8 ·
The codes found by the scanner:
1) CODE001:p20CC 'Rough road detection' signal (by comparing wheel speeds)
2) CODE001:p2600 The voltage supply of circuit 87 has undervoltage
3) CODE002:p2400 The right rear wheel rpm signal sent from the traction system via the CAN bus is implausible
4) CODE001: P1860 Traction system RR wheel RPM error

The wheel sensor was replaced but did not resolve the problem. The mechanic then said that the ABS controlled is faulty :(

I agree that if I can find an affordable solution it would be great.

again thanks to all for your support with this problem
 

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Dallas, Texas
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