Mercedes-Benz C 350 V6 Blue Efficiency - 306hp Remap

Name: Mercedes-Benz C 350 V6 Blue Efficiency - 306hp ECU Remap
Brand: Mercedes-Benz

Expected gains of +22 BHP and +41 Nm torque

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BHP+22 hp (7%)

Standard

306 hp

Tuned

328 hp

Torque+41 Nm (11%)

Standard

370 Nm

Tuned

411 Nm

Suitability

Limited (3.5/10)

Gains Profile

Torque-focused

Headroom

Low

Mercedes-Benz C 350 V6 Blue Efficiency - 306hp ECU Remapping

Considering an ECU remap for your Mercedes-Benz C 350 V6 Blue Efficiency - 306hp? A Stage 1 remap can take this W204 - 2010 - 2014 petrol engine from 306 BHP to 328 BHP and from 370 Nm to 411 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz C can achieve.

How this engine compares

75thof 99 Mercedes-Benz C engines by power gain
25%of the 9,842 engines we hold gain data for see a smaller power increase
25%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Mercedes-Benz C 350 V6 Blue Efficiency - 306hp is a 3.5L naturally aspirated petrol engine producing 306 BHP and 370 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 328 BHP and 411 Nm — a gain of around 22 BHP (7%) and 41 Nm (11%).

This engine has limited remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.

Other C W204 - 2010 - 2014 Engines

Engine	BHP	Gain	Torque	Gain	Score
180 CDI 120hp	120 → 200	+80	310 → 460	+150	Excellent (8/10)
200 CDI 136hp	136 → 200	+64	360 → 450	+90	Excellent (8.5/10)
180 CGI 156hp (1600cc)	156 → 175	+19	250 → 310	+60	Good (7/10)
180 CGI 156hp (1800cc)	156 → 210	+54	250 → 380	+130	Excellent (8/10)
220 CDI 163hp	163 → 205	+42	400 → 500	+100	Good (7.5/10)
220 CDI 170hp	170 → 205	+35	400 → 500	+100	Good (7.5/10)
200 CGI 184hp	184 → 220	+36	270 → 380	+110	Excellent (8/10)
250 CDI 204hp	204 → 240	+36	500 → 550	+50	Good (6.5/10)
250 CGI 204hp	204 → 220	+16	310 → 380	+70	Good (7/10)
350 CDI 211hp	211 → 280	+69	540 → 600	+60	Good (7.5/10)
300 CDI 231hp	231 → 280	+49	540 → 620	+80	Good (7/10)
350 CDI 231hp	231 → 290	+59	540 → 630	+90	Good (7.5/10)
350 CDI 265hp	265 → 295	+30	620 → 700	+80	Good (6.5/10)
350 CGI 292hp	292 → 310	+18	365 → 390	+25	Moderate (5.5/10)
63 AMG 457hp	457 → 510	+53	600 → 650	+50	Limited (3.5/10)
63 AMG 487hp	487 → 510	+23	600 → 650	+50	Limited (3.5/10)
63 AMG Edition 507	507 → 515	+8	610 → 650	+40	Limited (3/10)
63 AMG Black Series 517hp	517 → 540	+23	620 → 650	+30	Limited (3/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 3.5L
Capacity: 3498 CC
Type: Car
Engine Family: Mercedes-benz 3.5L V6 NA Petrol

ECU & Transmission

Likely ECU Low confidence: Petrol ECU (varies by market/year)
Gearbox Low confidence: Transmission varies by trim and market; check manual/automatic type and torque rating.

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MakeMercedes-Benz

ModelC

GenerationW204 - 2010 - 2014

Engine350 V6 Blue Efficiency - 306hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.