Mercedes-Benz S 500 Turbo 435hp Remap

Name: Mercedes-Benz S 500 Turbo 435hp ECU Remap
Brand: Mercedes-Benz

Expected gains of +75 BHP and +120 Nm torque

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BHP+75 hp (17%)

Standard

435 hp

Tuned

510 hp

Torque+120 Nm (17%)

Standard

700 Nm

Tuned

820 Nm

Suitability

Good (6.5/10)

Gains Profile

Balanced

Headroom

Medium

Mercedes-Benz S 500 Turbo 435hp ECU Remapping

Considering an ECU remap for your Mercedes-Benz S 500 Turbo 435hp? A Stage 1 remap can take this W221 - 2005 - 2013 petrol engine from 435 BHP to 510 BHP and from 700 Nm to 820 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz S can achieve.

How this engine compares

8thof 43 Mercedes-Benz S engines by power gain
94%of the 9,842 engines we hold gain data for see a smaller power increase
87%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Mercedes-Benz S 500 Turbo 435hp is a 4.7L turbocharged petrol engine producing 435 BHP and 700 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 510 BHP and 820 Nm — a gain of around 75 BHP (17%) and 120 Nm (17%).

This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.

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.

Other S W221 - 2005 - 2013 Engines

Engine	BHP	Gain	Torque	Gain	Score
250 CDI 204hp	204 → 230	+26	500 → 560	+60	Good (6/10)
320 CDI 211hp	211 → 260	+49	540 → 600	+60	Good (6.5/10)
320 CDI 235hp	235 → 260	+25	540 → 600	+60	Good (6/10)
350 CDI 235hp	235 → 290	+55	540 → 620	+80	Good (6.5/10)
350 CDI BlueTec 258hp	258 → 300	+42	620 → 700	+80	Good (6/10)
400 Hybrid 299hp	299 → 314	+15	384 → 399	+15	Limited (3.5/10)
420 CDI 320hp	320 → 360	+40	730 → 820	+90	Good (6/10)
450 CDI 320hp	320 → 360	+40	730 → 820	+90	Good (6/10)
500 - 388hp	388 → 408	+20	530 → 570	+40	Limited (3.5/10)
600 V12 Turbo 517hp	517 → 585	+68	830 → 910	+80	Good (6/10)
63 AMG 525hp	525 → 541	+16	630 → 650	+20	Limited (3/10)
63 AMG Turbo 544hp	544 → 590	+46	800 → 900	+100	Good (6/10)
65 AMG V12 Turbo 630hp	630 → 670	+40	1000 → 1100	+100	Moderate (5.5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 4.7L
Capacity: 4663 CC
Type: Car
Engine Family: Mercedes-benz 4.7L Turbo 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. At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeMercedes-Benz

ModelS

GenerationW221 - 2005 - 2013

Engine500 Turbo 435hp

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.