Which plugs are best?
05-20-2011, 09:28 AM
#1
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97 S420
Which plugs are best?
I just picked up a 1997 420S with a 119 engine. 127k miles on it, I see there are a number of different plugs listed in the downloaded manual I am looking at. Are there any that you prefer?
Bosch F 9 DCO
BERU 14 F-9 DUO
CHAMPION C 12 YCC
Thanks, I am just getting into this thing.
Bosch F 9 DCO
BERU 14 F-9 DUO
CHAMPION C 12 YCC
Thanks, I am just getting into this thing.
05-20-2011, 01:25 PM
#2
MBWorld Fanatic!
If they're all listed in the owners manual, they're equally good.
Your problem will be finding them and your best bet is your Mercedes dealer.
Your problem will be finding them and your best bet is your Mercedes dealer.
05-27-2011, 10:44 AM
#5
MBWorld Fanatic!
My Tech who is aMB certified tech with 30 years experience always prefers the OE level Bosch. He was also a Porsche Works Tech at Le Mans and such before he went to MB. NAPA is a good source but stick with the OE level plugs. Make sue you add a bit of anti seize to the threads!
Last edited by grane; 05-27-2011 at 10:47 AM.
