43 AMG (3.0T) - 390ch Tuning
Mercedes GLC — Detailed power and torque gains by stage.
Gains by stage(4)
Power
390 hp
Torque
520 Nm
essence
Power
390→420ch
+30 ch
+8%
Torque
520→620Nm
+100 Nm
+19%
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Everything about 43 AMG (3.0T) - 390ch tuning
Tuning the 43 AMG (3.0T) - 390ch found in the Mercedes GLC 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 GLC 43 AMG (3.0T) - 390ch, tuning delivers up to +70 hp and +160 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 390 → 420 hp | 520 → 620 Nm | — |
| Stage 2 | 390 → 460 hp | 520 → 680 Nm | — |
| E85 Flexfuel | 390 → 390 hp | 520 → 520 Nm | — |
| E85+ | 390 → 420 hp | 520 → 620 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 43 AMG (3.0T) - 390ch?
Tuning the 43 AMG (3.0T) - 390ch (Mercedes GLC) 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 43 AMG (3.0T) - 390ch?
Yes, the 43 AMG (3.0T) - 390ch 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 GLC 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 GLC?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.