5.4T - 626ch Tuning
Mercedes SLR — Detailed power and torque gains by stage.
Gains by stage(4)
Power
626 hp
Torque
780 Nm
essence
Power
626→670ch
+44 ch
+7%
Torque
780→900Nm
+120 Nm
+15%
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Everything about 5.4T - 626ch tuning
Tuning the 5.4T - 626ch found in the Mercedes SLR 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 SLR 5.4T - 626ch, tuning delivers up to +114 hp and +210 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 626 → 670 hp | 780 → 900 Nm | — |
| Stage 2 | 626 → 740 hp | 780 → 990 Nm | — |
| E85 Flexfuel | 626 → 626 hp | 780 → 780 Nm | — |
| E85+ | 626 → 670 hp | 780 → 900 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 5.4T - 626ch?
Tuning the 5.4T - 626ch (Mercedes SLR) 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 5.4T - 626ch?
Yes, the 5.4T - 626ch 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 SLR 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 SLR?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.