C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

C300 level B5 service

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Old Jun 23, 2015 | 06:38 PM
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C300
C300 level B5 service

After my 2010 C300 indicated level B5 service was needed (54,000 miles) , spoke to 2 mechanics. One said that in addition to the basic stuff like an oil change, I also needed spark plugs replaced (extra charge) and transmission service (extra $380). The other mechanic said this was not true; neither of these are needed now . Which one is right?
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Old Jun 23, 2015 | 07:24 PM
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LogicalApex's Avatar
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2014 C300 Luxury
Check the service manual for your car... You can access it on MBUsa.com...

The only definitive source as to what is needed when is MB since they made the car...
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Old Jun 23, 2015 | 07:43 PM
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Thx...been there...done that.

Thank you so much...had already done that. Perhaps someone else has some useful info.
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Old Jun 24, 2015 | 12:27 PM
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white46's Avatar
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08 C300
Personally, I would stay 1 more year with spark plugs and do tranny fluid if it was never done previously.
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Old Jun 24, 2015 | 12:47 PM
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Thx so much...that was very helpful. Hopefully, I can go back to the service records to see if the transmission fluid was drained by the previous owner.
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Old Jun 24, 2015 | 04:44 PM
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C300 4matic
I am also up for a B5 service which is done at 60K miles. If you look on page 33 of the Maintenance Manual toward the bottom it states that the spark plug need to be changed. You also need an oil and filter change, brake fluid change, dust filter and there are a bunch of things to check like brake pad thickness, etc.

Nelson
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