Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: S320 Air Conditioning
I also had the same problem. a/c system on mercedez s class is very sensitive, you must discharge the old freon and use new freon as specify on the manual, and precise pressure : 14 bars. you may find the specification under the hood. if the pressure go under 13 bars, the compressor will automatically shut off, and the red light on the EC button will be on.
Posted on Aug 06, 2008
i also have done a diagnostic test and it states a turbo overboost condition and it drives fine locally but loses power on the motorway and struggles to reach 80mph? any suggestions please email me at email@example.com
Posted on Sep 14, 2009
SOURCE: AC is not working properly
this first to do is check wiring to compressor clutch,when ac is not working check the ac clutch it should be engaged,test for power and ground at ac compressor clutch, you may have a bad wire to clutch or a bad compressor clutch,
Posted on Mar 04, 2010
PO456 is most times a gas cap or gasket,
to get an incorrect gear ratio the transmission has probably started to slip.
Change the fluid and filter first off in the transmission and use only atf+4 fluid and possibly the govenor pressure sensor,and change gas cap.
Posted on Jun 03, 2010
16619 -Engine boost condition - Limit not reached. Check intake hoses/ connections for leaks. Check Turbo charger waste gate regulating valve/ waste gate working correctly. Must move freely when accelerating, won't achieve full boost if waste gate sticking open. Check Turbo impeller turning freely, oil feed pipe for turbo can get blocked causing impeller to seize. Engine compact, not easy to access these components.
Posted on Jun 06, 2010
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