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Discussion Starter · #1 ·
Hi everyone,

I am a new member of the Benz Forum as well as a new owner of my first Benz! I am in love with my C300 4MATIC Sport Calcite White. I have a question about a "break in" period. Does that really exist? Should I be taking it easy and drive under a certain speed limit for the first 1000KM and not floor the gas pedal? I've heard so many conflicting stories and I am so confused!
 

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Discussion Starter · #3 ·
Well i've sort of been taking it easy but at the same time, i've floored it a few times, nothing extreme though. I'm just very anal about the whole ordeal.
 

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2013 C250
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7,273 Posts
The owners manual gives some decent guidelines. Pretty much ignore anything the salesman tells you.:)
 

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09 C300 4Matic
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223 Posts
My dealer told me to give it about 500-1000miles of "careful" driving in "C" mode then switch it to "S" mode and have at it. I am at about 700 miles and I am still taking care of it, but I would be a liar if I said I havent downshifted a few times to get on the on-ramp a bit more quickly. I think you should just be careful of how low you drop it for the first 1000 miles, if you have to kick down a gear thats fine but 2 gears at high RPMs may be a little early on the tranny. Just my opinion
 

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2009 C300 Sport & 2010 GLK350
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Agree with MB-SV, I trust the ppl who 'make' the car more than those selling it...read the manual and it tells you to stay within something like 2/3 of max rpm and don’t push so hard you activate kick down for the first 1000 miles, you will benefit in the longer term....

Mine just got to 1000 so have stopped using C mode exclusively and starting pushing it a little more until now at just over 1100 I have been flooring it and boy it’s a nice ride. This thing spins up very nice roaring up to 7k rpm, shifts and goes again....shame it hits 60 so quick it’s all over very fast...need to find some clear open roads :D
 
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