Mercedes-Benz E500 Ignition Coil Replacement Costs

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Ignition Coil Replacement Service

How much does a Ignition Coil Replacement cost?

On average, the cost for a Mercedes-Benz E500 Ignition Coil Replacement is $731 with $577 for parts and $154 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2005 Mercedes-Benz E500V8-5.0L	Service typeIgnition Coil Replacement	Estimate$1323.62	Shop/Dealer Price$1618.83 - $2488.87
2006 Mercedes-Benz E500V8-5.0L	Service typeIgnition Coil Replacement	Estimate$1313.71	Shop/Dealer Price$1605.52 - $2473.01
2003 Mercedes-Benz E500V8-5.0L	Service typeIgnition Coil Replacement	Estimate$1313.71	Shop/Dealer Price$1605.57 - $2473.09
1994 Mercedes-Benz E500V8-5.0L	Service typeIgnition Coil Replacement	Estimate$2934.32	Shop/Dealer Price$3611.38 - $5630.13
2004 Mercedes-Benz E500V8-5.0L	Service typeIgnition Coil Replacement	Estimate$1313.71	Shop/Dealer Price$1608.40 - $2478.05

Show example Mercedes-Benz E500 Ignition Coil Replacement prices

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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Robert

32 years of experience

646 reviews

Robert

32 years of experience

by John

Mercedes-Benz E500 V8-5.0L - Pre-purchase Car Inspection - San Jose, California

Robert was extremely helpful in my buying decision on a used car. His report was excellent and time he took to review the results with me was much appreciated.

Caster

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Caster

29 years of experience

by Andrew

Mercedes-Benz E500 V8-5.0L - Pre-purchase Car Inspection - San Rafael, California

Caster was awesome! He did a pre-purchase inspection on my new Mercedes-Benz and I've been really impressed with my car!

Richard

12 years of experience

450 reviews

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12 years of experience

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by Wendy

Mercedes-Benz E500 V8-5.0L - Crankshaft Position Sensor - Washington, District of Columbia

Richard is very knowledgeable, professional and performed the job in a very timely manner.

Kyle

12 years of experience

68 reviews

Kyle

12 years of experience

by Tanya

Mercedes-Benz E500 V8-5.0L - Headlight Bulb Replacement (Passenger Side Low Beam, Passenger Side High Beam) - Elkridge, Maryland

Kyle was very professional and quick. I highly recommend him and I will book future appointments with him.

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