Mercedes CLS-Class ECU Remapping & Engine Tuning
We have remap figures for 16 Mercedes CLS-Class engines across two generations. Petrol engines gain +3% to +21% power and diesels +12% to +24%. The largest bhp increase is on the CLS W218 Cls 550 4.6 Biturbo: 402 to 490 bhp (+88 bhp, +21%). Three more engines are in development. Book your CLS-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 |
|---|---|---|---|---|
| CLS W219 | 2004–2010 | 6 | +3% to +13% | +35 bhp (+7%) Cls 55 5.5 Amg |
| CLS W218 | 2010–2018 | 13 | +8% to +24% | +88 bhp (+21%) Cls 550 4.6 Biturbo |
| Mercedes CLS W219 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| Cls 320 3.0 Cdi 224 BHP 2004-2010 | 224 | 254 (+13%) | 540 | 600 (+11%) |
| Cls 350 272 3.5 BHP 2004-2010 | 272 | 297 (+9%) | 350 | 385 (+10%) |
| Cls 500 5.0 306 BHP 2004-2010 | 306 | 331 (+8%) | 460 | 495 (+7%) |
| Cls 500 5.5 388 BHP 2004-2010 | 388 | 413 (+6%) | 530 | 570 (+7%) |
| Cls 55 5.5 Amg 476 BHP 2004-2010 | 476 | 511 (+7%) | 700 | 745 (+6%) |
| Cls 63 6.2 Amg 507 BHP 2004-2010 | 507 | 523 (+3%) | 630 | 650 (+3%) |
| Mercedes CLS W218 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| Cls220 2.2 CDI 170 BHP 2010-2018 | 170 | 211 (+24%) | 400 | 510 (+27%) |
| Cls220 2.2 CDI 174 BHP 2010-2018 | 174 | 215 (+23%) | 400 | 510 (+27%) |
| Cls250 2.2 CDI 201 BHP 2010-2018 | 201 | 242 (+20%) | 500 | 553 (+10%) |
| Cls300 3.5 250 BHP 2010-2018 | In Development | |||
| Cls320 3.0 268 Turbo BHP 2010-2018 | In Development | |||
| Cls350 3.0 CDI 248 BHP 2010-2018 | 248 | 288 (+16%) | 620 | 692 (+11%) |
| Cls350 3.0 CDI 262 BHP 2010-2018 | 262 | 294 (+12%) | 620 | 698 (+12%) |
| Cls350 3.0 302 BHP 2010-2018 | 302 | 327 (+8%) | 370 | 400 (+8%) |
| Cls400 Turbo 3.0 329 BHP 2010-2018 | 329 | 391 (+18%) | 480 | 568 (+18%) |
| Cls 550 4.6 Biturbo 402 BHP 2010-2018 | 402 | 490 (+21%) | 600 | 755 (+25%) |
| Cls63 5.5 Biturbo 518 BHP 2010-2018 | 518 | 606 (+16%) | 700 | 875 (+25%) |
| Cls63 5.5 550 BHP 2010-2018 | 550 | 611 (+11%) | 720 | 842 (+16%) |
| Cls63 5.5 Biturbo 577 BHP 2010-2018 | In Development | |||
Frequently asked questions
How much power does a remap add to a Mercedes CLS-Class?
Petrol engines gain +3% to +21% power and diesels +12% to +24%. The full figures for each engine are in the tables above.
Which CLS-Class engine gains the most from a remap?
The CLS W218 Cls 550 4.6 Biturbo gains the most: 402 to 490 bhp (+88 bhp, +21%). Torque rises from 600 to 755 Nm (+25%).
Which CLS-Class generations do you have remap figures for?
We have figures for two generations: the CLS W219 (2004–2010) and CLS W218 (2010–2018).
Are remaps available for every CLS-Class engine?
Not yet. Three of the 19 engines listed above are still in development. Call our Burnley workshop on 01282 779 000 for an update.
Where can I get my CLS-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 CLA-Class · Mercedes CLK-Class · Mercedes E-Class · Mercedes G-Class
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