U140C DTC For Mercedes C 320

Mercedes C 320 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Turbocharged Engine

Your Mercedes C 320 engine control system detects a problem, the computer stores the diagnostic trouble code U140C in its memory. To figure out what is wrong with your vehicle you must first extract the U140C DTC For Mercedes C 320.

On 1999 and later U140C Mercedes C 320 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

U140C Mercedes C 320 DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
1 MFG - Manufacturer Specific
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
0 Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
C TFP Valve Position Switch-Drive Without Drive Ratio

There are currently two main types of cylinder deactivation used today, depending on the type of engine. U140C Mercedes C 320 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

U140B DTC (Previous DTC Code) ( Next DTC Code ) U140D DTC
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The listed Mercedes models will give information about U140C DTC.