Freightliner Classic MBE - 4000 - 12.8 350hp Remap

Name: Freightliner Classic MBE - 4000 - 12.8 350hp ECU Remap
Brand: Freightliner

Expected gains of +50 BHP and +222 Nm torque

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BHP+50 hp (14%)

Standard

350 hp

Tuned

400 hp

Torque+222 Nm (12%)

Standard

1828 Nm

Tuned

2050 Nm

Suitability

Good (6.5/10)

Gains Profile

Balanced

Headroom

Medium

Freightliner Classic MBE - 4000 - 12.8 350hp ECU Remapping

Considering an ECU remap for your Freightliner Classic MBE - 4000 - 12.8 350hp? A Stage 1 remap can take this All diesel engine from 350 BHP to 400 BHP and from 1828 Nm to 2050 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 Freightliner Classic can achieve.

How this engine compares

3rdof 5 Freightliner Classic engines by power gain
76%of the 9,842 engines we hold gain data for see a smaller power increase
96%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Freightliner Classic MBE - 4000 - 12.8 350hp is a turbocharged diesel engine producing 350 BHP and 1828 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 2050 Nm — a gain of around 50 BHP (14%) and 222 Nm (12%).

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 Classic All Engines

Engine	BHP	Gain	Torque	Gain	Score
MBE - 4000 - 12.8 370hp	370 → 420	+50	1828 → 2050	+222	Good (6.5/10)
MBE - 4000 - 12.8 409hp	409 → 460	+51	1964 → 2150	+186	Good (6.5/10)
MBE - 4000 - 12.8 435hp	435 → 490	+55	1964 → 2150	+186	Good (6.5/10)
MBE - 4000 - 12.8 450hp	450 → 500	+50	2100 → 2350	+250	Good (6.5/10)

Technical Specifications

Fuel Type: Diesel
Aspiration: Turbocharged
Type: Commercial
Engine Family: Freightliner Turbo Diesel

ECU & Transmission

Likely ECU Low confidence: Bosch EDC17-era diesel ECU (varies)
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

MakeFreightliner

ModelClassic

GenerationAll

EngineMBE - 4000 - 12.8 350hp

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.