550 (4.6i) - 402ch Tuning
Mercedes CLS — Detailed power and torque gains by stage.
Gains by stage(4)
Power
402 hp
Torque
443 Nm
essence
Power
402→430ch
+28 ch
+7%
Torque
443→473Nm
+30 Nm
+7%
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Everything about 550 (4.6i) - 402ch tuning
Tuning the 550 (4.6i) - 402ch found in the Mercedes CLS 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 CLS 550 (4.6i) - 402ch, tuning delivers up to +68 hp and +77 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 402 → 430 hp | 443 → 473 Nm | — |
| Stage 2 | 402 → 470 hp | 443 → 520 Nm | — |
| E85 Flexfuel | 402 → 402 hp | 443 → 443 Nm | — |
| E85+ | 402 → 430 hp | 443 → 473 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 550 (4.6i) - 402ch?
Tuning the 550 (4.6i) - 402ch (Mercedes CLS) 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 550 (4.6i) - 402ch?
Yes, the 550 (4.6i) - 402ch 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 CLS 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 CLS?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.