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Limp mode problem C203 2004

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Old Dec 27, 2017 | 04:06 AM
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gunterwodak's Avatar
gunterwodak
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MB C230K sports coupe 2004
Limp mode problem C203 2004
my C230K Sport Coupe 2004 model looses half its power suddenly after a few minutes driving.
Every time after switching ignition off and on again
it goes again for a few mins.It feels like the compressor switching off.
According to computer diagnostics, all relevant sensors for the compressor have been replaced,
with zero result. Could the problem be in the ECU ? Please any Ideas ?
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Old Dec 27, 2017 | 08:28 AM
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2006 E55, 2012 GLK350 & 1992 190e sportline
Id bet it is your secondary water pump. Your IAT is to high and the SC is shutting off.
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Old Dec 28, 2017 | 12:25 AM
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Russell Ormerod's Avatar
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not a merc
No It won't be ecu, read faults and event memory after the loss of power,!
Report back.
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Old Dec 28, 2017 | 10:39 PM
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Originally Posted by insame1
Id bet it is your secondary water pump. Your IAT is to high and the SC is shutting off.
Good advice. Check into this first before anything else.
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Old Dec 29, 2017 | 12:54 AM
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Russell Ormerod
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not a merc
Please explain what a secondary water pump does and how its related to IAT?
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