











New Owner Break In Poll & Tips
1) No revs over 4,000 RPM's
2) Should not exceed 100 MPH in 7th Gear
You can increase the load after 1,000 miles.
There is a 1,500-1,750 Rear Diff Service on all C63. This a crucial element.
JP
I mod my cars so I want the engine to warm up before it starts to take a beating lol
It'll probably take me less than 2 weeks. Those two weeks will probably suck but I think it's necessary. If MB is saying to do it. I'd say do it she be on the safe side.
Previous owner:
He did the 507 differential around 7k
10k service was done around 9k
20k service was done around 14k
I bought the car around 15k - no clue why previous owner didn't do the diff on time at 1.5k
All his services were done at MB dealer
Car drives awesome, no issues that I can see / feel
So the question is do I need to do another diff change or get it inspected for any damage / wear? And how should I continue the service intervals? Should I do another service at 20k or wait till 25k?
Thank you
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Previous owner:
He did the 507 differential around 7k
10k service was done around 9k
20k service was done around 14k
I bought the car around 15k - no clue why previous owner didn't do the diff on time at 1.5k
All his services were done at MB dealer
Car drives awesome, no issues that I can see / feel
So the question is do I need to do another diff change or get it inspected for any damage / wear? And how should I continue the service intervals? Should I do another service at 20k or wait till 25k?
Thank you
I truly think your car is fine. The Rear Diff Service does not show in the cluster. The next time the diff fluid needs to be changed is the 4th service or at 40,000 miles. The car will need a service once per year or every 10,000 miles.
The Best of Mercedes & AMG
Food for thought: If Break in mattered much, they wouldn't allow ED on most cars (yes I know US W205s are assembled in AL). Every single friend of mine who did ED did so mainly for the autobahn driving.
All of them have surpassed 140mph and their cars are fine.If rumors of the W205 C63 Coupe being built in Germany come true, it will very well be my next ED and guess what I'm gonna do with it.







