Mercedes C-Class ECU Remapping & Engine Tuning
We have remap figures for 52 Mercedes C-Class engines across three generations. Petrol engines gain +4% to +49% power and diesels +12% to +47%. The largest bhp increase is on the C-Class W205 C43 3.0 Turbo: 367 to 448 bhp (+81 bhp, +22%). Five more engines are in development. Book your C-Class in at our Burnley workshop on 01282 779 000, or find a local dealer.
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View FAQs| Generation | Years | Engines | Power gain | Largest gain |
|---|---|---|---|---|
| C-Class W203 | 2000–2007 | 19 | +6% to +38% | +46 bhp (+38%) CLC 200 2.2 Cdi |
| C-Class W204 | 2007–2014 | 21 | +4% to +47% | +64 bhp (+47%) C 200 Cdi 2.2 |
| C-Class W205 | 2014–present | 17 | +8% to +49% | +81 bhp (+22%) C43 3.0 Turbo |
| Mercedes C-Class W203 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| C180 1.8 Kompressor 143 BHP 2000-2007 | 143 | 173 (+20%) | 220 | 260 (+18%) |
| C180 2.0 127 BHP 2000-2007 | 127 | 139 (+9%) | 190 | 210 (+10%) |
| C200 1.8 Kompressor 163 BHP 2000-2007 | 163 | 183 (+12%) | 240 | 270 (+12%) |
| C200 2.2 Cdi 122 BHP 2000-2007 | 122 | 152 (+24%) | 270 | 325 (+20%) |
| C220 2.2 CDI 141 BHP 2000-2007 | 141 | 177 (+25%) | 315 | 377 (+19%) |
| C 220 2.2 Cdi 150 BHP 2000-2007 | 150 | 180 (+20%) | 340 | 395 (+16%) |
| C230 1.8 189 BHP 2000-2007 | 189 | 221 (+16%) | 260 | 302 (+16%) |
| C230 2.5 201 BHP 2000-2007 | 201 | 219 (+8%) | 245 | 265 (+8%) |
| C240 2.6 170 BHP 2000-2007 | 170 | 191 (+12%) | 240 | 270 (+12%) |
| C270 2.7 CDI 170 BHP 2000-2007 | 170 | 202 (+18%) | 370 | 426 (+15%) |
| C280 3.0 228 BHP 2000-2007 | 228 | 245 (+7%) | 300 | 322 (+7%) |
| C30 AMG 3.0 Cdi 231 BHP 2000-2007 | 230 | 260 (+13%) | 540 | 600 (+11%) |
| C32 AMG 3.2 349 BHP 2000-2007 | 349 | 371 (+6%) | 450 | 480 (+6%) |
| C 320 3.2 Cdi 224 BHP 2000-2007 | 224 | 254 (+13%) | 415 | 475 (+14%) |
| C 320 3.2 215 BHP 2000-2007 | 215 | 231 (+7%) | 310 | 333 (+7%) |
| C 350 3.5 272 BHP 2000-2007 | 272 | 297 (+9%) | 350 | 385 (+10%) |
| CLC 200 2.2 Cdi 121 BHP 2000-2007 | 121 | 167 (+38%) | 270 | 366 (+35%) |
| CLC 200 2.2 Cdi 148 BHP 2000-2007 | 148 | 180 (+21%) | 340 | 408 (+20%) |
| CLC 350 3.5 268 BHP 2000-2007 | 268 | 288 (+7%) | 350 | 372 (+6%) |
| Mercedes C-Class W204 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| C 180 CGI 1.6 154 BHP 2007-2014 | 154 | 180 (+16%) | 250 | 291 (+16%) |
| C 180 1.8 154 BHP 2007-2014 | 156 | 174 (+11%) | 230 | 255 (+10%) |
| C180 2.2 Cdi 118 BHP 2007-2014 | 118 | 149 (+26%) | 270 | 332 (+22%) |
| C 200 CGI 1.8 181 BHP 2007-2014 | 181 | 209 (+15%) | 270 | 316 (+17%) |
| C 200 1.8 184 BHP 2007-2014 | 184 | 202 (+9%) | 250 | 275 (+10%) |
| C 200 Cdi 2.2 136 BHP 2007-2014 | 136 | 200 (+47%) | 270 | 280 (+3%) |
| C 220 Cdi 2.2 161 BHP 2007-2014 | 161 | 202 (+25%) | 360 | 470 (+30%) |
| C 220 Cdi 2.2 170 BHP 2007-2014 | 170 | 211 (+24%) | 400 | 510 (+27%) |
| C250 2.2 CDI 204 BHP 2007-2014 | 204 | 245 (+20%) | 500 | 553 (+10%) |
| C260 1.8 Cgi 201 BHP 2007-2014 | In Development | |||
| C 280 3.0 231 BHP 2007-2014 | 231 | 247 (+6%) | 300 | 323 (+7%) |
| C300 3.0 248 BHP 2007-2014 | In Development | |||
| C300 3.0 CDI 228 BHP 2007-2014 | 228 | 260 (+14%) | 540 | 603 (+11%) |
| C 320 3.0 Cdi 224 BHP 2007-2014 | 224 | 259 (+15%) | 510 | 575 (+12%) |
| C350 3.0 CDI 231 BHP 2007-2014 | 231 | 266 (+15%) | 510 | 582 (+14%) |
| C350 3.0 CDI 262 BHP 2007-2014 | 262 | 303 (+15%) | 620 | 694 (+11%) |
| C350 3.5 272 BHP 2007-2014 | 272 | 294 (+8%) | 350 | 376 (+7%) |
| C350 3.5 302 BHP 2007-2014 | 302 | 324 (+7%) | 365 | 391 (+7%) |
| C63 6.2 451 BHP 2007-2014 | 451 | 479 (+6%) | 600 | 634 (+5%) |
| C63 6.2 510 BHP 2007-2014 | 510 | 537 (+5%) | 620 | 650 (+4%) |
| C63 6.2 480 BHP 2007-2014 | 480 | 503 (+4%) | 600 | 650 (+8%) |
| Mercedes C-Class W205 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| C180 1.6 Cdi 114 BHP 2014 - Present | 114 | 155 (+35%) | 280 | 352 (+25%) |
| C 180 Turbo 1.6 154 BHP 2014 - Present | 154 | 175 (+13%) | 230 | 303 (+31%) |
| C200 1.6 CDI 134 BHP 2014 - Present | 134 | 163 (+21%) | 320 | 362 (+13%) |
| C 200 Turbo 2.0 181 BHP 2014 - Present | 181 | 244 (+34%) | 300 | 394 (+31%) |
| C 200 Turbo 1.6 181 BHP 2014 - Present | In Development | |||
| C 200 2.2 CDi 136 BHP 2014 - Present | 136 | 203 (+49%) | 360 | 480 (+33%) |
| C 220 2.2 CDi 161 BHP 2014 - Present | 161 | 219 (+36%) | 400 | 488 (+22%) |
| C 250 2.2 CDi 201 BHP 2014 - Present | 201 | 237 (+17%) | 500 | 552 (+10%) |
| C 260 1.5 Turbo 181 BHP 2014 - Present | In Development | |||
| C 300 2.0 241 Turbo BHP 2014 - Present | 241 | 261 (+8%) | 370 | 420 (+13%) |
| C 300 2.0 255 Turbo BHP 2014 - Present | 255 | 297 (+16%) | 370 | 420 (+13%) |
| C350 2.2 CDi 265 Turbo BHP 2014 - Present | 265 | 297 (+12%) | 620 | 692 (+11%) |
| C400 3.0 Biturbo 329 BHP 2014 - Present | 329 | 391 (+18%) | 480 | 560 (+16%) |
| C43 3.0 Turbo 329 BHP 2014 - Present | In Development | |||
| C43 3.0 Turbo 367 BHP 2014 - Present | 367 | 448 (+22%) | 520 | 621 (+19%) |
| C63 4.0 Bi turbo 470 HP BHP 2014 - Present | 470 | 542 (+15%) | 700 | 821 (+17%) |
| C63 4.0 Bi turbo 503 HP BHP 2014 - Present | 503 | 554 (+10%) | 700 | 821 (+17%) |
Frequently asked questions
How much power does a remap add to a Mercedes C-Class?
Petrol engines gain +4% to +49% power and diesels +12% to +47%. The full figures for each engine are in the tables above.
Which C-Class engine gains the most from a remap?
The C-Class W205 C43 3.0 Turbo gains the most: 367 to 448 bhp (+81 bhp, +22%). Torque rises from 520 to 621 Nm (+19%).
Which C-Class generations do you have remap figures for?
We have figures for three generations: the C-Class W203 (2000–2007), C-Class W204 (2007–2014) and C-Class W205 (2014–present).
Are remaps available for every C-Class engine?
Not yet. Five of the 57 engines listed above are still in development. Call our Burnley workshop on 01282 779 000 for an update.
Where can I get my C-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.
Related:Petrol ECU tuning · Diesel ECU tuning · All Mercedes remaps · Mercedes A-Class · Mercedes B-Class · Mercedes Citan · Mercedes CL-Class
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