SL55/63/65/R230 AMG: Spark Plugs -LFR6AIX-11
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Spark Plugs -LFR6AIX-11
I've seen these NGK LFR6AIX-11 spark plugs advertised as fitting my 2007 SL55 AMG. Has anyone used them? If so, how are they? They certainly cost less than the ILFR6A.