I am thinking of an ECU tuning for my R172 MY2012. Would like to get opinions, advice and experience with this performance modification.
1. My search revealed two ECU upgrades for the R172 SLK 55 AMG,
one is Kleemann
http://www.kleemann.dk/Performance/Engines/55AMG_M152
the other is Renntech
http://www.renntechmercedes.com/www/node/1057
and Eurocharged does not have anything for R172 AMG, and neither
does Brabus or Carlsson.
2. Kleeman claims a HP upgrade from 415 to 440, at Eur 1,195.00,
whereas Renntech claims an improvement of 421 to 448, at $2,250.
3. Why does Renntech state that stock SLK 55 R172 has 421HP? I have
always been reading 415HP instead.
4. Does an increase of 25HP(Kleemann) or 27HP(Renntech) makes that
much of a difference in performance? If yes, in what way?
5. With approximately $100.00 per HP increase, is it worth it? This is not
a fair question, I know.
6. In another site(MBworld), one member has done the Renntech tuning
on his 2012 SLK 55 AMG. He reported an improvement of 0-60 from
4.4secs to 4.19secs. He appears to be quite satisfied with his tuning.
http://mbworld.org/forums/slk55-r171/470242-2013-slk-55-pp.html
1. My search revealed two ECU upgrades for the R172 SLK 55 AMG,
one is Kleemann
http://www.kleemann.dk/Performance/Engines/55AMG_M152
the other is Renntech
http://www.renntechmercedes.com/www/node/1057
and Eurocharged does not have anything for R172 AMG, and neither
does Brabus or Carlsson.
2. Kleeman claims a HP upgrade from 415 to 440, at Eur 1,195.00,
whereas Renntech claims an improvement of 421 to 448, at $2,250.
3. Why does Renntech state that stock SLK 55 R172 has 421HP? I have
always been reading 415HP instead.
4. Does an increase of 25HP(Kleemann) or 27HP(Renntech) makes that
much of a difference in performance? If yes, in what way?
5. With approximately $100.00 per HP increase, is it worth it? This is not
a fair question, I know.
6. In another site(MBworld), one member has done the Renntech tuning
on his 2012 SLK 55 AMG. He reported an improvement of 0-60 from
4.4secs to 4.19secs. He appears to be quite satisfied with his tuning.
http://mbworld.org/forums/slk55-r171/470242-2013-slk-55-pp.html