Your Mercedes Benz Clcclass engine control system detects a problem, the computer stores the diagnostic trouble
code C3969 in its memory.
To figure out what is wrong with your vehicle you must first extract the C3969 DTC For Mercedes Benz Clcclass.
C3969 Mercedes Benz Clcclass engine diagnostic code is about in terms of how often you should get your tyres rotated, it's different for every vehicle and type of tyre, but having them rotated at every oil change is a good rule of thumb. Check with the tyre manufacturer for a more specific time frame. Remember that the more often you rotate your tyres, the more evenly they'll wear, and when you have the tyres rotated, you should also get them checked for balance and alignment.
C3969 Mercedes Benz Clcclass DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
SAE - Generic
Vehicle Speed Output Circuit
A/C System High Pressure High Temperature
If your vehicle failed a C3969 Mercedes Benz Clcclass test and the C3969 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses C3969 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look C3969 DTC For Mercedes Benz Clcclass: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.