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M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

CEL code P0128 thermostat

     
Old Oct 15, 2022 | 04:51 PM
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azzurribaggio
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2011 ML350
CEL code P0128 thermostat
The Check engine light came on last night and I scanned the ECU and it came up with
========================
P0128
Raw code: 0128
ECU: Engine control unit
Status: Confirmed
OBDII: Coolant thermostat - coolant temperature below thermostat regulating temperature=================


How much does it cost to replace this part on average?

Thanks in advance
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Old Oct 18, 2022 | 01:54 AM
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azzurribaggio
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2011 ML350
Well to answer the cost, I just had it replaced by my Indy shop

$800
$600 Labor
$230 Parts

That sound about right?
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Old Oct 22, 2022 | 02:39 PM
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azzurribaggio
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2011 ML350
SIGH I got a quote from another shop for $587
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