45 AMG (2.0T) - 381ch Tuning
Mercedes A — Detailed power and torque gains by stage.
Gains by stage(4)
Power
381 hp
Torque
475 Nm
essence
Power
381→410ch
+29 ch
+8%
Torque
475→540Nm
+65 Nm
+14%
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Everything about 45 AMG (2.0T) - 381ch tuning
Tuning the 45 AMG (2.0T) - 381ch found in the Mercedes A is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Mercedes A 45 AMG (2.0T) - 381ch, tuning delivers up to +69 hp and +115 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 381 → 410 hp | 475 → 540 Nm | — |
| Stage 2 | 381 → 450 hp | 475 → 590 Nm | — |
| E85 Flexfuel | 381 → 381 hp | 475 → 475 Nm | — |
| E85+ | 381 → 410 hp | 475 → 540 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 45 AMG (2.0T) - 381ch?
Tuning the 45 AMG (2.0T) - 381ch (Mercedes A) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 45 AMG (2.0T) - 381ch?
Yes, the 45 AMG (2.0T) - 381ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Mercedes A tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Mercedes A?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.