Freightliner Classic MBE - 4000 - 12.8 450hp Remap

Name: Freightliner Classic MBE - 4000 - 12.8 450hp ECU Remap
Brand: Freightliner

Expected gains of +50 BHP and +250 Nm torque

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BHP+50 hp (11%)

Standard

450 hp

Tuned

500 hp

Torque+250 Nm (12%)

Standard

2100 Nm

Tuned

2350 Nm

Suitability

Good (6.5/10)

Gains Profile

Balanced

Headroom

Medium

Freightliner Classic MBE - 4000 - 12.8 450hp ECU Remapping

Considering an ECU remap for your Freightliner Classic MBE - 4000 - 12.8 450hp? A Stage 1 remap can take this All diesel engine from 450 BHP to 500 BHP and from 2100 Nm to 2350 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 450hp is a turbocharged diesel engine producing 450 BHP and 2100 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 500 BHP and 2350 Nm — a gain of around 50 BHP (11%) and 250 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 350hp	350 → 400	+50	1828 → 2050	+222	Good (6.5/10)
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)

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 450hp

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.