DMS Stage 2 upgrade

CycleSi

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SL55 AMG with F1 Performance Pack
Has anyone had the DMS Stage 2 pulley and ECU upgrade fitted to their SL55 AMG?

l'm considering having it done to my 2004 model, but am a little concerned it would invalidate the MB warranty l have.
 

television

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Not heard of this one, so its not under pulleys then
 

bigasotonuk

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Hi,
I considered a pulley kit for both of my cars, but never found anyone in the UK besides Kleeman (who never replied to my e-mails) who would supply them.
Have you identified a UK supplier?
 

turbopete

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2017 '17' Ford Mondeo 2.0TDCi ST Line X 180 (sorry)
are we talking abouy fitting lighter pulleys for driving fan belts etc? if so id say unless there an awful lot lighter the benefit would be far outweighed by the cost. especially with an auto box. a friend of mine spent about 130quid on light drive belt pulleys for his pug 106 gti and he couldnt tell the difference! not even sure it even showed a difference on the rollers when it went to get re chipped after the head gasket blew!
 

television

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Under pulleys are pulleys ½ the size of the original so that things like the alternator are running at half the normal speed, the gain is got from the HP saved on running these things at full speed
 

GCLTuning

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Hi

You need to consider Warranty & TUV certification. Im sure you will agree its very nice to have lot's more power but would you want to be the one to pay IF something were to happen . (in the unlikely event)

Kind Regards GCL Tuning
 

bigasotonuk

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Hi,
Thanks for the link very interesting, it turns out they are only a 20 minute walk from my house, i think i,ll go and have chat with them on my next day off.
 

television

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I have been putting their link out for years, first class exhaust systems
 

bigasotonuk

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Exhausts too, i,ll be paying them a visit sooner rather than later.
Lived here all my life yet i did,nt know they were so close.
 

television

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Exhausts too, i,ll be paying them a visit sooner rather than later.
Lived here all my life yet i did,nt know they were so close.

Their stainless system work out around £1k on a V8, very nice work as well
 

pancholi

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Does it drastically improve the exhaust note on a Sl55?
 


ACMS Mercedes Ltd is an independent Mercedes-Benz service specialist based in Walsall. The company provides high levels of customer service and quality workmanship, at competitive prices. Call Mark on 01922 634666 or 07530 456000
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