How to Diagnose a Bad Ignition Coil in your Mercedes Benz by Mill Valley Mechanic

How To Diagnose A

Bad Ignition Coil In Your Mercedes-Benz by Mill Valley Mechanic?

Ignition coil turns the low voltage of battery into a spark to ignite the air/fuel mixture in the engine.

In a MercedesBenz, the ignition coil functions as a part of the ignition system alongside the:

• • • •

Spark plugs Switch battery Distributor Alternator

When the coil is powered up, the outer coil is flushed with charge, creating a magnetic field.

Like other components of the vehicle, the ignition coil of the Mercedes-Benz is failed.

The following points help you to diagnose the bad ignition coil in the Mercedes-Benz.

Lower fuel mileage

If the engine is not burning fuel properly, then it will need more fuel to do the same task.

When the ignition coil malfunctions, it will send more fuel than it required.

Oil leaks

When a huge amount of current and charge being transformed inside the ignition coil may lead to heat dissipation.

If the coil is broken, then this can lead to overheating and eventually crack the hosing.

Engine misfiring

When the ignition coil is failing, it often leads to pistons misfiring or simply not firing at all.

If the ignition coil is bad in MercedesBenz, then you will notice several problems such as:

• Strange noises • Poor response • Engine jerks or vibrates when idling • Car shutting down altogether

Illuminated check engine light

The illuminated check engine light also indicates the broken ignition coil.

In such a situation, get down your Mercedes-Benz to a mechanic to perform the OBD –II check.

Fails to start

When the ignition coil is failed, your car fails to start when you try to turn the key in the ignition.

In this case, the spark plugs are unable to receive the charge they need and the engine will fail.

Conclusion

Like other parts of the Mercedes-Benz, the ignition coil will also degrade eventually.

Get down your vehicle to a professional service center to replace the ignition coil.

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