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Mercedes-Benz SLK300 Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Service

How much does a Ignition Coil Replacement cost?

On average, the cost for a Mercedes-Benz SLK300 Ignition Coil Replacement is $659 with $519 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2010 Mercedes-Benz SLK300V6-3.0LService typeIgnition Coil ReplacementEstimate$1192.28Shop/Dealer Price$1457.90 - $2240.59
2011 Mercedes-Benz SLK300V6-3.0LService typeIgnition Coil ReplacementEstimate$1183.27Shop/Dealer Price$1445.80 - $2226.17
2009 Mercedes-Benz SLK300V6-3.0LService typeIgnition Coil ReplacementEstimate$1183.27Shop/Dealer Price$1445.84 - $2226.24
Show example Mercedes-Benz SLK300 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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Number of Mercedes-Benz SLK300 services completed
154+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform
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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(14)
Rating Summary
13
1
0
0
0
13
1
0
0
0

Anthony

8 years of experience
195 reviews
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Anthony
8 years of experience
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by TIMOTHY
Mercedes-Benz SLK300 V6-3.0L - Electric Problems - Elk Grove, California
ARRIVED ON TIME

Brandon

19 years of experience
318 reviews
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Brandon
19 years of experience
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by vijay
Mercedes-Benz SLK300 V6-3.0L - Thermostat - Morrisville, North Carolina
Did a great job

Bryan

9 years of experience
102 reviews
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Bryan
9 years of experience
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by Lisa
Mercedes-Benz SLK300 L4-2.0L Turbo - Brake Pads Replacement (Front) - Henderson, Nevada
Bryan was on time, friendly, knowledgeable, and honest.

Jose

16 years of experience
249 reviews
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Jose
16 years of experience
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by Patrick
Mercedes-Benz SLK300 L4-2.0L Turbo - Pre-purchase Car Inspection - Tampa, Florida
Excellent Job, did a pre inspection for a used car moving around the dealerships. He was very professional, worked with the dealerships, and inspected the vehicle when it became available. Very pleased with his work.

Excellent Rating

(14)
Rating Summary
13
1
0
0
0
13
1
0
0
0
Number of Mercedes-Benz SLK300 services completed
154+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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