Please be clear. I am still struggling and confused about this. Taking it to a mechanic and Benz dealer will be lots of money. Mechanic wanted $225 just for labor charge, and dealer is even more. Any help will be appreciated. Exactly where are the spark plugs located? How do i open them? Will I need some special tools? etc... Thank you!Can someone please tell me in details on how to change spark plugs on a mercedes 1998 C280?
Remove spark plug suppressor, remove spark plug, reinstall suppressor. Repeat for other 11 spark plugs ( there are 2 plugs per cylinder ). The front ones are not too bad to change but the rear ones are pretty tight and you'll need a swivelling socket extension to reach them.Can someone please tell me in details on how to change spark plugs on a mercedes 1998 C280?
take the spark plugs out and put the new ones in...
The fact that you can't even see them tells you that it's not as easy as some people think it is,,,,,,,,,,they're located in deep holes in the cylinder head. Book time to replace the spark plugs on a 112 engine is 3.3 hours. You have to remove and replace the ignition coils (all 12 of them) and it takes a special tool to remove the wires without causing any damage (the wires are $40. each).
Sorry to say. If you cant find them, have the mechanic do it. Don't go to the dealer find a smaller place that wont charge as much. You could follow the plug wires but you do need a ratchet, extender, and time. If you cross thread the plugs you will hate it and ruin the engine. Also when you change the plugs you should do the distributor and wires for plugs.
Where are you located? If in Houston TX I have a great mechanic that is cheep.
Dennis Kurk has great blue prints on where stuff is!!
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