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B1579 Engine Diagnostic Code For Mercedes Benz B250

Sample B1579 Engine

B1579 engine code for Mercedes Benz B250 provides below are generic codes that may not apply to all vehicles. Mercedes Benz B250 manufacturer uses specific Mercedes Benz B250 diagnostic code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic DTC codes.

B1579 engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

B1579 Diagnostic Trouble Code For Mercedes Benz B250 Meaning

B 1 5 79
Body Problem MFG - Manufacturer Specific Vehicle Speed Control And Idle Control System 79 Engine Fault Code
Mercedes Benz B250 Car Engine How to fix B1579 engine diagnostic code For Mercedes Benz B250 ?

Starting letter B diagnostic code shows that there are problems in antilock brake system, electronic suspension and steering systems.
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.

If your vehicle is an older model with a non-electronic Vehicle Speed Control And Idle Control System, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.


Don't forget ! If your B1579 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.