The dealer quoted $320 to change the spark plugs. What's the trick here? I know there are 12 of them, but is it especially difficult to do? I have lots of sockets and extensions and the like. But looking at it, it doesn't seem terribly more difficult than some other spark plug jobs I've done in the past.

Car has 82k miles. Is changing them necessary now?

__________________
DS
2010 CL550 - Heaven help me but it's beautiful
87 300D a labor of love
11 GLK 350 So far, so good
08 E350 4matic, Love it.
99 E320 too rusted, sold
87 260E Donated to Newgate School
www.Newgateschool.org - check it out.
12 Ford Escape, sold, forgotten
87 300D, sold, what a mistake
06 Passat 2.0T, PITA, sold

Las Vegas NV