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No Heat - 08 S550 4Matic

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Old 12-15-2014, 03:17 AM
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2008 S550 4Matic
No Heat - 08 S550 4Matic
I've been getting just cold air for the last couple of days. Any info on this issue?
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Old 12-15-2014, 03:33 AM
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2008 S550 4Matic
Anyone has a part number for dual valve?
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Old 12-15-2014, 01:04 PM
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'71 Pinto
Definitive answer, pull codes using MB DAS. EPC shows no valve (170 in diagram), check pump (10) part 2218350164 – pumps engine coolant through heater core.
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Old 12-16-2014, 02:13 AM
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2008 S550 4Matic
Thanks Konigstiger
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