C63 AMG (W204) 2008 - 2015
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Spark Plug Problem

Old Dec 23, 2020 | 07:45 AM
  #1  
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clk209
Spark Plug Problem

Afternoon all,

I am replacing my spark plugs on my 20212 w204 c63 and the shop just called to confirm my parts have arrived. They are insisting the correct plug for the car is the NGK PLKR7A (stock no.4288) which they have bought over for me when i am 110% sure the correct plug for my car is the NGK ILZKAR7A10 Laser iridium.

Is this maybe a new number?

All information will be much appreciated.
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Old Dec 23, 2020 | 09:40 AM
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Part Number: ILZKAR7A10
Product Description: NGK Laser Iridium Spark Plug

The PLKR7A is for a regular C class and does not go in the M156.
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Old Dec 23, 2020 | 12:22 PM
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Originally Posted by clk209nic
I am replacing my spark plugs on my 20212 w204 c63 and the shop just called to confirm my parts have arrived. They are insisting the correct plug for the car is the NGK PLKR7A (stock no.4288) which they have bought over for me when i am 110% sure the correct plug for my car is the NGK ILZKAR7A10 Laser iridium.
Your intuition is correct. What I don't understand, is why you are not DIYing a spark plug job on a M156.

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Old Dec 23, 2020 | 01:08 PM
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any shop that orders you the wrong plugs and insists they are correct you should steer clear from. this is why ANY Mercedes parts dealer requires the usage of VIN number for part identification.
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