CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

Spark Plugs

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Old Jun 20, 2007 | 10:52 AM
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Spark Plugs

Hello,

I have a 2002 CLK430 that just hit 47K miles. Two questions:

1) When should the spark plugs/wires be replaced?

2) Are there two spark plugs per cylinder?

Thanks for any replies!
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Old Jun 20, 2007 | 10:57 AM
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1) Recommended at 80k miles
2) Yes, 2 plugs per cylinder
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Old Jun 20, 2007 | 11:02 AM
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Cool, thanks for the response.
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Old Jun 20, 2007 | 12:08 PM
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Mercedes/ Bosch claim spark plug life at 5 years or 100,000, whichever comes first.... most people replace them sooner though.
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Old Jun 20, 2007 | 12:09 PM
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Originally Posted by chem1441
Mercedes/ Bosch claim spark plug life at 5 years or 100,000, whichever comes first.... most people replace them sooner though.
Which is why I recommended 80k
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Old Jun 20, 2007 | 03:16 PM
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From: Cali
2000 CLK 320
Originally Posted by chem1441
Mercedes/ Bosch claim spark plug life at 5 years or 100,000, whichever comes first.... most people replace them sooner though.
they also claim that our transmission oil is lifetime oil, which is complete BS. what they want is for us to buy a new trany from them when ours gets messd up due to not changing the oil,lol
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