U1428 DTC For Mercedes S 350

Mercedes S 350 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :V-Type Engine
Engine Air Intake Process :Naturally Aspirated

Your Mercedes S 350 engine control system detects a problem, the computer stores the diagnostic trouble code U1428 in its memory. To figure out what is wrong with your vehicle you must first extract the U1428 DTC For Mercedes S 350.

On 1999 and later U1428 Mercedes S 350 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.

U1428 Mercedes S 350 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)
2 Cruise Control Servo Indicates Low
8 Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U1428 Mercedes S 350 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

U1427 DTC (Previous DTC Code) ( Next DTC Code ) U1429 DTC
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