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Spark Plugs

Tan

MB Enthusiast
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Joined
Oct 2, 2002
Messages
2,901
Location
Woodford Green
Car
W140 S-Class, Porsche Cayenne and Porsche Boxster
Hi

I think I am going to get my spark plugs changed next week. I have spoken to Royale Engineering and they are very reasonable.

What spark plugs should I Use? Should I go with OEM ones or are there any benefits from aftermarket ones??

Regards

Tan
 
I usually use bosch, if theres not much price difference, use oe, but to be fair, bosch are just as good if not better.

Jay
 
was quoted £50 by royale today inc parts but my local bosch dealer wants £5 + vat per plug (for Platinum) and I believe i have 16 plugs, so that quote seams too cheap
 
erm do royale realise how many plugs there are!! I thought your car was a V6?? How many plugs per cylinder does that make?
 
I replaced the plugs on mine myself last week and went for the OEM from the dealer.Priced at £1.60 each I was more than happy.I got talking with the sales guy and he says they are matched spefically to the car thats why they had my chassis number.
 
if you have a v8 engine you will have 16 plugs,and if its a v6 you will have 12 plugs.
all v engines on mercs have 2 plugs per cylinder,they are a fiddle to change,hence the slightly high labour rate to change them.
I can change 12 plugs in v6 in about 1 hour,but I think the dealership will charge you at least 2 if not 4 hours
 
jaymanek said:
erm do royale realise how many plugs there are!! I thought your car was a V6?? How many plugs per cylinder does that make?

Mine is a V8, and i guess they dont realise. This makes me think that I should get someone else to change them.
 
Tan said:
Mine is a V8, and i guess they dont realise. This makes me think that I should get someone else to change them.

Plugs are too important to stint on them. Use only the best that you can find, or suffer the inifficiencies of cheap ones. :crazy:
 
after I had my plugs changed, the car was smoother and more powerful ... well worth it
 

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