Spark plugs - Mercedes-Benz Forum
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post #1 of 5 (permalink) Old 06-03-2019, 01:19 PM Thread Starter
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Spark plugs

I was told my clk needs new spark plugs. Got the distinct feeling it’s going to be an expensive exercise. Why is this such an expensive exercise? Is it the cost of the plugs, intensive labour or both?

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post #2 of 5 (permalink) Old 06-03-2019, 02:18 PM
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Should not be an expensive service unless the plugs strip out the threads in their bores or some such. All are easily accessible without any bizarre contortions.
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post #3 of 5 (permalink) Old 06-03-2019, 03:33 PM
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How many miles on the clock? You might find this 4 y/o post on the same topic interesting.....
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post #4 of 5 (permalink) Old 06-03-2019, 03:39 PM
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It is not complicated. If you are handy you could do it yourself with just a few tools. You can see how it is done on You Tube. Just take your time. If do it yourself, after you gotten access to the plugs blow out the area around the plugs to prevent dirt from getting into the plug hole when removed.
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post #5 of 5 (permalink) Old 06-04-2019, 02:08 AM
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It is more costly than some cars because you need 12 spark plugs ,,usually NGK Laser Platinum,,,and it does take some time and skill to do the job,,,more so than on a Toyota.
Cheapest way for us in Australia is to buy spark plugs from the UK via ebay.,,,around $12 each vs $18 or more from local suppliers.
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