Your Mercedes Benz Glkclass engine control system detects a problem, the computer stores the diagnostic trouble
code C3968 in its memory.
To figure out what is wrong with your vehicle you must first extract the C3968 DTC For Mercedes Benz Glkclass.
On 1999 and later C3968 Mercedes Benz Glkclass 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.
C3968 Mercedes Benz Glkclass DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
SAE - Generic
Vehicle Speed Output Circuit
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit
When you turn on the ignition, the Service Engine Soon or Check Engine C3968 Mercedes Benz Glkclass light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If C3968 DTC For Mercedes Benz Glkclass so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the C3968!