Thread: W140 questions
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Old 04-14-2003, 05:24 PM
jfsehl jfsehl is offline
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Join Date: Mar 2003
Location: Tulsa, Oklahoma
Posts: 35
I replaced the plugs in my '94 S420 and it was a smooth and easy operation. You simply remove the air cleaner and center protection plastic pieces and the plugs are right there. They are deep but with the proper spark-plug socket and extension, easy to remove and replace. The spark-plug wires, likewise are in easy reach (though I didn't feel the need to replace them). I'd say my '94 S420 (140 body V-8) was one of the easier cars to change plugs on (ending in a preposition).
Jim Sehl
'80 350SL
'80 300TD
'84 190D
'86 300E
'92 600SEL
'94 S420
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