Mercedes SLK-Class ECU Remapping & Engine Tuning

We have remap figures for 15 Mercedes SLK-Class engines across four generations. Power gains on these petrol engines range from +5% to +18%. The largest bhp increase is on the SLK-Class R172 Slk 250 2.2CDI: 204 to 239 bhp (+35 bhp, +17%). One more engine is in development. Book your SLK-Class in at our Burnley workshop on 01282 779 000, or find a local dealer.

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Mercedes SLK-Class remap gains at a glance
Generation	Years	Engines	Power gain	Largest gain
SLK-Class R170	2000–2004	6	+5% to +18%	+31 bhp (+16%) Slk 200 2.0
SLK-Class R171	2005–2010	5	+6% to +12%	+28 bhp (+7%) Slk 55 Amg
SLK-Class R172	2011–2019	4	+5% to +17%	+35 bhp (+17%) Slk 250 2.2CDI
SLK-Class	2011–2019	1	+5%	+23 bhp (+5%) Slk 55 5.5

Mercedes SLK-Class R170 remap figures
Mercedes SLK-Class R170	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
Slk 200 2.0 136 BHP 2000-2004	136	148 (+8%)	190	205 (+7%)
Slk 200 2.0 Kompressor 163 BHP 2000-2004	163	193 (+18%)	230	270 (+17%)
Slk 200 2.0 184 BHP 2000-2004	184	215 (+16%)	270	316 (+17%)
Slk 230 2.3 Kompressor 193 BHP 2000-2004	193	223 (+15%)	280	330 (+17%)
Slk 230 2.3 Kompressor 197 BHP 2000-2004	197	227 (+15%)	280	330 (+17%)
Slk 32 3.2 Amg 354 BHP 2000-2004	354	374 (+5%)	450	480 (+6%)

Mercedes SLK-Class R171 remap figures
Mercedes SLK-Class R171	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
Slk 200 1.8 Kompressor 1.8 163 BHP 2005-2010	163	183 (+12%)	240	270 (+12%)
Slk 200 1.8 Kompressor 1.8 184 BHP 2005-2010	184	202 (+9%)	250	275 (+10%)
Slk 280 231 3.0 BHP 2005-2010	231	245 (+6%)	300	320 (+6%)
Slk 350 3.5 272 BHP 2005-2010	272	297 (+9%)	350	385 (+10%)
Slk 55 Amg 360 BHP 2005-2010	360	388 (+7%)	510	545 (+6%)

Mercedes SLK-Class R172 remap figures
Mercedes SLK-Class R172	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
SLK200 CGI 1.8 181 BHP 2011-2019	181	209 (+15%)	270	316 (+17%)
SLK200 CGI 1.8 201 BHP 2011-2019	In Development
Slk 250 2.2CDI 204 BHP 2011-2019	204	239 (+17%)	500	550 (+10%)
Slk 350 3.5 302 BHP 2011-2019	302	320 (+5%)	365	287 (+-21%)

Mercedes SLK-Class remap figures
Mercedes SLK-Class	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
Slk 55 5.5 416 BHP 2011-2019	416	439 (+5%)	540	567 (+5%)

Frequently asked questions

How much power does a remap add to a Mercedes SLK-Class?

Power gains on the SLK-Class petrol engines range from +5% to +18%. The full figures for each engine are in the tables above.

Which SLK-Class engine gains the most from a remap?

The SLK-Class R172 Slk 250 2.2CDI gains the most: 204 to 239 bhp (+35 bhp, +17%). Torque rises from 500 to 550 Nm (+10%).

Which SLK-Class generations do you have remap figures for?

We have figures for four generations: the SLK-Class R170 (2000–2004), SLK-Class R171 (2005–2010), SLK-Class R172 (2011–2019) and SLK-Class (2011–2019).

Are remaps available for every SLK-Class engine?

Not yet. One of the 16 engines listed above is still in development. Call our Burnley workshop on 01282 779 000 for an update.

Where can I get my SLK-Class remapped?

Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.

How we develop your remap

Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.