Today I was driving along, rolled to a stopsign and noticed that my brake pad indicator light was on. I began to wonder if the kleen wheels were screwing with the system, then came to the conclusion that that would be impossible, and my front brakes must be worn. So I dropped my car off at my mechanic while I worked. When I came back, they told me that yes, in fact, my front brakes had 10-15% left. But the back were atleast 60-65% good! He says this is from my driving style (not sedate!). But I guess tha tough braking outweighed much of my conservative driving when I was so good on the brakes! Oh well. He says they are going to try a german brand called RIPCO. And only the front brakes need to be done. He is only going to charge me for the parts, and he'll do the labor for free since it has only been about 17,000 miles since I got the brakes. But the rears are still more than half good!
Question... is it normal for the front brakes to wear MUCH faster (I know a little is normal), if I have a 'harder than normal' driving style? Thankssss!

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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)