Mercedes C230 (w203) remap figures & low torque figures

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Zack007

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Mar 12, 2017
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Mercedes C320
Hello all,

Had my car remapped and the numbers were good but no amazingly great.

The car sometimes has a mind of its own and occasionally won't pull as hard or give full torque. This showed on the dyno with the first run the car pulled 206bhp and 300 ft lbs of torque. Much to my dismay as the car should have 224bhp and 376ft lbs.


After he loaded a base map and done more runs, the end figure was 232 bhp and 419ft lbs of torque.

It was a pretty warm day in Scotland and the garage temp was 16.5 celcius, no doubt this would have reduced the bhp. I'd imagine on a cold day it would be nearer the 240-250 mark.


Torque shows a increase from 300ft lbs to 420 however this was due to no full torque on the original run, and the end result showing a gain of over 40ft lbs has anyone got any thoughts as to why my cars blowing hot and cold?

It could be a boost leak i'm thinking but had a quick look around the pipes and couldn't see anything obvious?
 

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Better pics of dyno attached
 

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Something wrong there.

MSL remapped mine. C320 DieselV6
Std 219
Mapped 264

Even with a slight boost leak which is now sorted
 
OP has 320 in his title but 230 in the thread.
Have 230s a turbo or charger for a boost leak.

Confused.com.
 
Something wrong there.

MSL remapped mine. C320 DieselV6
Std 219
Mapped 264

Even with a slight boost leak which is now sorted ��

Where was your boost leak found? I suspect mines has a leak somewhere. Its due a service in a few hundred miles and will have it looked at then.

Out of interest, what torque figures did your car make?
 
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bump for an update.

Car runs fine now everyday, giving full power/torque!

Anyone else got figures of their c320/clk320 remap? I think the temperature affected mines quite a bit.
 
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