Mercedes-Benz SLK230 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 SLK230 Ignition Coil Replacement is $467 with $327 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2002 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$986.34	Shop/Dealer Price$1197.23 - $1814.31
2004 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$976.43	Shop/Dealer Price$1183.92 - $1798.45
2003 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$976.43	Shop/Dealer Price$1183.97 - $1798.53
2000 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$799.51	Shop/Dealer Price$966.14 - $1458.72
1999 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$799.51	Shop/Dealer Price$968.72 - $1463.23
2001 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$976.43	Shop/Dealer Price$1184.24 - $1799.00
1998 Mercedes-Benz SLK230L4-2.3L Turbo	Service typeIgnition Coil Replacement	Estimate$799.51	Shop/Dealer Price$966.17 - $1458.77

Show example Mercedes-Benz SLK230 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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Bereketeab

5 years of experience

101 reviews

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by Chris Cavanaugh

SLK230 2004 - Brake Light Switch - West Sacramento, CA

This gentleman was on time and listened very well to my questions and answered accordingly. He displayed a professional demeanor and was well versed in auto mechanics. He was fast and efficient and completed a thorough analysis of my car. I would have this gentleman back to my home again and will request him for further repairs. In addition, I will recommend him and your organization to everyone I know and further, to people I do not know. Knowledgeable, courteous and professional employees are very hard to find these days and it is key to great customer service. I find this mechanic to be trustworthy as well which is also a key characteristic representative of great customer service. Thank you again and I look forward to a continuing business relationship.

Andrew

0 years of experience

351 reviews

Andrew

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by Ben Herbert

SLK230 1999 - Air Pump Check Valve - Baltimore, MD

Great job. Fast and efficient

Andrew

0 years of experience

351 reviews

Andrew

0 years of experience

by Ben Herbert

SLK230 1999 - Ignition Coil - Baltimore, MD

Great job. Fast and efficient

Andrian

30 years of experience

184 reviews

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Andrian

30 years of experience

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by Cindy Ready

SLK230 1999 - 75 Point Safety Inspection - Plantation, FL

Great! Arrived on time and answered all my questions before he left.

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