Mercedes-Benz CLA250 Ignition Coil Replacement at your home or office.

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Average rating from customers who
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$166.36 - $176.36

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Ignition Coil Replacement Estimate for Mercedes-Benz CLA250

Mercedes-Benz CLA250 Ignition Coil Replacement costs $172 on average.

CarServiceEstimateShop/Dealer Price
2014 Mercedes-Benz CLA250L4-2.0L TurboService typeIgnition Coil ReplacementEstimate$257.73Shop/Dealer Price$321.53 - $466.55
Show example Mercedes-Benz CLA250 Ignition Coil Replacement prices

Ignition Coil Replacement Service

What is an ignition coil and how does it work?

An ignition coil transforms ignition voltage (12 volts) to the very high voltage pulses (20,000 volts or more) that fire the spark plugs. The number of ignition coils varies depending on car model and year of production. Older cars will have one coil covering all engine cylinders while newer cars may have a coil-on-plug type arrangement — that is every cylinder will have its own dedicated ignition coil.

Ignition Coils

When to consider replacing an ignition coil:

  • Hard starting or no start. Ignition coils are subject to heat damage and electrical overload, both of which can cause partial or total failure. If the coil is faulty, you may have difficulty starting your car or it may not start at all.
  • Misfiring, loss of power, poor acceleration. Once the car is running, a bad ignition coil can cause poor operation of the engine. Should you have misfiring or loss of power, faulty ignition coils would be among the list of causes a mechanic would investigate. The Check Engine Light will often come on with a trouble code(s) indicating which cylinders are involved.

How do mechanics replace the ignition coil?

  • The ignition is checked to assure it is in the “off” position.
  • For single coils that supply all cylinders, the coil is disconnected from either a bracket located in the engine compartment or, in some cases, is removed from within the distributor. The replacement coil is secured and all electrical connections reattached. If the distributor was removed for any reason, the timing is adjusted as required.
  • For individual coil-on-plug applications, the coil is detached from the top of the individual spark plug and replaced.
  • Once the coil is securely in place, all electrical connections are reattached, and timing adjusted as needed, the car is road tested to ensure normal operation.

Is it safe to drive with an ignition coil problem?

Yes. A malfunctioning ignition coil will cause loss of power and lower fuel efficiency but that will not present an immediate safety issue. If the coil malfunction is causing misfiring, this will allow unburned fuel to enter and permanently damage the catalytic converter from overheating.

When replacing an ignition coil keep in mind:

  • Ignition coil failure can be caused by faulty spark plugs or wires. The mechanic will inspect and may recommend replacement of those components.
  • In a coil-on-plug ignition system, if only one coil fails, you need only replace the faulty coil. Remaining functioning coils can be left in place.
  • In systems with the coil located in the distributor, it may be more cost-effective to replace the entire distributor rather than remove and replace just the coil.

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YourMechanic Mercedes-Benz CLA250 Service

Average Rating

4.9/5

Number of Reviews

54

Rating Summary
52
1
0
0
1
52
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1

Breck

19 years of experience
676 reviews
Breck
19 years of experience
Mercedes-Benz CLA250 - Oil Change - Houston, Texas
Efficient, friendly, knowledgeable

Tinashe

12 years of experience
403 reviews
Tinashe
12 years of experience
Mercedes-Benz CLA250 - Oil Change - Alpharetta, Georgia
He was punctual and gave great customer service. I will definitely have him again for my next service on my Mercedes CLA 250.

Christopher

14 years of experience
40 reviews
Christopher
14 years of experience
Mercedes-Benz CLA250 - Headlight Bulb Replacement (Driver Side Low Beam) - Atlanta, Georgia
I had the best experience. I felt comfortable and confident that Christopher would get it done.

Richard

10 years of experience
450 reviews
Richard
10 years of experience
Mercedes-Benz CLA250 - Oil Change - Humble, Texas
Richard was very nice. He arrived early which was awesome! He let me know when he was here and also let me know about anything that my car will need in the future. Thanks Richard and will definitely use him again.

Excellent Rating


YourMechanic Mercedes-Benz CLA250 Service

Average Rating

4.9/5

Number of Reviews

54

Rating Summary
52
1
0
0
1
52
1
0
0
1
Number of Mercedes-Benz CLA250 services completed
594+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
900+
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