I have a large oil leak that started a few weeks ago, so I am doing the CLK320's valve cover gasket, breather covers, spark plugs and vacuum hoses.

Do these spark plugs look fine? I assume they are original since they haven't been updated to the new style that I got in the mail. Car has 142k.

Is it just me or does the spark plug gap look big? I'm new to the M112 engine though, so I have no prior experience with this engine at all.
(Heck I made the mistake of just ordering 6 plugs...I only found out that it needed 12 right now!)

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k