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SPARK PLUGS ON 1998 S320

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Old 02-13-2010, 02:30 PM
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2008 CLS63 AMG
SPARK PLUGS ON 1998 S320
Just wondering where the spark plugs are located on the car and how to access them? Also maybe part numbers would help out.
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Old 02-13-2010, 05:15 PM
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10 speed bicycle
Under the black cover on the valve cover.
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Old 02-13-2010, 10:34 PM
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1996 S320 SWB, 1998 S600
watch out for the rigid vaccum tubing that runs under the cover alongside the plugs. My '96 had some brittle ones.
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Old 02-17-2010, 08:26 PM
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1998 S320
thats right, i broke mine when i was changing my plugs and wires, that vacuum line is for the EGR valve and will set a DTC(diagnostic trouble code) if broken... by the way the spark plugs from the dealership come pre-gapped
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