400e - 381ch Tuning
Mercedes GLC — Detailed power and torque gains by stage.
Gains by stage(4)
Power
381 hp
Torque
650 Nm
hybride essence
Power
381→420ch
+39 ch
+10%
Torque
650→700Nm
+50 Nm
+8%
OriginalTuned
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Everything about 400e - 381ch tuning
Tuning the 400e - 381ch 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 400e - 381ch, tuning delivers up to +79 hp and +120 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 381 → 420 hp | 650 → 700 Nm | — |
| Stage 2 | 381 → 460 hp | 650 → 770 Nm | — |
| E85 Flexfuel | 381 → 381 hp | 650 → 650 Nm | — |
| E85+ | 381 → 420 hp | 650 → 700 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 400e - 381ch?
Tuning the 400e - 381ch (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 400e - 381ch?
Yes, the 400e - 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 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.