Mercedes-Benz ML320 Ignition Coil Replacement at your home or office.

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$162.35 - $180.43

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Ignition Coil Replacement Estimate for Mercedes-Benz ML320

Mercedes-Benz ML320 Ignition Coil Replacement costs $173 on average.

CarServiceEstimateShop/Dealer Price
1999 Mercedes-Benz ML320V6-3.2LService typeIgnition Coil ReplacementEstimate$265.87Shop/Dealer Price$331.71 - $482.83
2002 Mercedes-Benz ML320V6-3.2LService typeIgnition Coil ReplacementEstimate$265.87Shop/Dealer Price$331.81 - $483.01
2003 Mercedes-Benz ML320V6-3.2LService typeIgnition Coil ReplacementEstimate$270.87Shop/Dealer Price$335.55 - $485.81
2001 Mercedes-Benz ML320V6-3.2LService typeIgnition Coil ReplacementEstimate$265.87Shop/Dealer Price$334.75 - $488.16
1998 Mercedes-Benz ML320V6-3.2LService typeIgnition Coil ReplacementEstimate$265.87Shop/Dealer Price$329.67 - $479.27
2008 Mercedes-Benz ML320V6-3.0L Turbo DieselService typeIgnition Coil ReplacementEstimate$254.71Shop/Dealer Price$313.83 - $450.82
2009 Mercedes-Benz ML320V6-3.0L Turbo DieselService typeIgnition Coil ReplacementEstimate$254.71Shop/Dealer Price$314.10 - $451.29
2007 Mercedes-Benz ML320V6-3.0L Turbo DieselService typeIgnition Coil ReplacementEstimate$249.71Shop/Dealer Price$310.44 - $448.64
Show example Mercedes-Benz ML320 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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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating


YourMechanic Mercedes-Benz ML320 Service

Average Rating

4.8/5

Number of Reviews

109

Rating Summary
99
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2

Chet

40 years of experience
445 reviews
Chet
40 years of experience
Mercedes-Benz ML320 - Check Transmission System - Chula Vista, California
Professional, timely and quite knowledgeable. Knowing a trustworthy mechanic who knows what he's doing is as important as knowing a good doctor or dentist, etc. I found this in Chet. I will definitely use this service again and request him as my your mechanic mechanic once I order the part or decide my next course of action. I now have peace of mind about my Mercedes ml320. Thanks Chet!

Theodore

15 years of experience
1248 reviews
Theodore
15 years of experience
Mercedes-Benz ML320 - Oil Change - Woodinville, Washington
Extremely satisfied. Very professional and work was completed without a hitch.

Chris

14 years of experience
312 reviews
Chris
14 years of experience
Mercedes-Benz ML320 - Car Battery Replacement - San Diego, California
Was able to come early which was great and he was professional and kind and very knowledgeable. He completed the battery replacement in record time and also checked the motor for my windows I won’t hesitate to use him again. Oh and it was 54% cheaper than my normal auto shop for my Mercedes. 5 stars all the way Chris and thank you!

Harish

26 years of experience
588 reviews
Harish
26 years of experience
Mercedes-Benz ML320 - Brake Pads Replacement (Front, Rear) - Charlotte, North Carolina
Harish was right on time and did a fantastic job. Highly experienced and would definitely have him work on either of my vehicles (Mercedes & Volvo) in the future.

Excellent Rating


YourMechanic Mercedes-Benz ML320 Service

Average Rating

4.8/5

Number of Reviews

109

Rating Summary
99
6
1
1
2
99
6
1
1
2
Number of Mercedes-Benz ML320 services completed
1199+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
900+
experts on our platform

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