55 AMG (5.5k) - 517ch Tuning
Mercedes SL — Detailed power and torque gains by stage.
Gains by stage(4)
Power
517 hp
Torque
720 Nm
essence
Power
517→540ch
+23 ch
+4%
Torque
720→840Nm
+120 Nm
+17%
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Everything about 55 AMG (5.5k) - 517ch tuning
Tuning the 55 AMG (5.5k) - 517ch found in the Mercedes SL 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 SL 55 AMG (5.5k) - 517ch, tuning delivers up to +73 hp and +200 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 517 → 540 hp | 720 → 840 Nm | — |
| Stage 2 | 517 → 590 hp | 720 → 920 Nm | — |
| E85 Flexfuel | 517 → 517 hp | 720 → 720 Nm | — |
| E85+ | 517 → 540 hp | 720 → 840 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 55 AMG (5.5k) - 517ch?
Tuning the 55 AMG (5.5k) - 517ch (Mercedes SL) 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 55 AMG (5.5k) - 517ch?
Yes, the 55 AMG (5.5k) - 517ch 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 SL 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 SL?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.