What's the best way to launch a diesel off the line? - Page 2 - Mercedes-Benz Forum

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post #11 of 11 (permalink) Old 09-29-2013, 11:08 PM Thread Starter
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Date registered: Oct 2012
Vehicle: W204 C320CDI 2009 and W639 Vito 115CDI 2006
Location: Perth, Western Australia
Posts: 860
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(Thread Starter)
Originally Posted by DrX View Post
If you want to compare apples with oranges, a 2008 W204 C350 can do 0-60 in 6.0 sec.
I don't understand the point you're making although you did mention apples and oranges as the vehicles are different. The C350 is a more powerful car and 6.0 seconds is a good time and the time I've seen others post. The C320CDI has different power characteristics being diesel. Lot's of torque down low but not as many KW. The official 0-60 time is about 6.7-6.9 seconds. My DTUK tuning box with a different map has dropped it to 6.28 but I was losing a heap of time in the first 10 metres or so.

The thread I started was looking for ideas on how to launch these new high torque diesels. I'm a new convert to modern diesels so I don't have any experience with them. The C350 being petrol with less torque at low revs, means you can do the old trick by loading up the TQ first then let the brake off and go.

I must say I miss not having an LSD as I'm used to the control and traction they give. I haven't been without an LSD since 1996.

That doesn't seem to work with the diesel so my technique was not right hence asking for ideas. I suspect I don't need to load up the TC at all ... just start pushing the pedal and let the long stroke of that diesel do the work.

As I previously posted I think I've cracked the problem by uploading a better throttle map courtesy of the DTE Systems pedal box. Stay tuned for a new test and I'll video it as well to verify I'm not bending the truth.

I'm riding for you #52, my dear son Cameron 1985-2009

2009 W204 C320CDI C Class sedan with Quaife LSD
2006 W639 115CDI Vito LWB Van for hauling motorcycles
2008 W164 ML320CDI Edition 10 (daughter's but I look after it)
2011 VW Polo 6R Hatch
2008 Honda CBR600RR race/track motorcycle
2010 Suzuki GSXR750 race/track motorcycle
2011 KTM 530 EXC Enduro motorcycle

Last edited by Scott52; 09-29-2013 at 11:50 PM.
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