Mercedes SL 55 AMG (5.5k) 476 hp — Stage 1 file (+54 hp)

or choose step by step
1
Choose a vehicle type

Chip tuning for Mercedes SL 55 AMG (5.5k) 476 hp ECU

Mercedes SL (2002 - R230) 55 AMG (5.5k) 476 hp — premium petrol engine of the passenger segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 476 to 530 hp (+54 hp, +11%) and torque from 700 to 820 Nm (+120 Nm). ECU — Bosch ME2.8.1. Flashing method: OBD or Bench depending on the unit's protection. The 2002 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

The Mercedes three-pointed star symbolises dominance on land, at sea and in the air. 4MATIC all-wheel drive is Mercedes' signature system, fitted to most models. The Mercedes-Benz Group AG (Daimler AG until 2022) comprises Mercedes-Benz, AMG, Maybach, Smart and the EQ line. Mercedes encryption is among the toughest in the industry, especially on modern models. Top AMG engines offer significant potential with a downpipe + intake. AMG is Mercedes's performance division (since 1967), acquired by Mercedes in 1999.

Stage 1 on Mercedes often requires refreshing the adaptations after the flash. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. The Mercedes community in Europe has a large pool of available Stage files for the standard models. Bench reading is a mandatory procedure for modern AMG models. Top AMG engines sit at the Mercedes power ceiling, and the gain is significant. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler). Brabus is a premium alternative to AMG for the top models.

Frequently asked questions

How many horsepower does the Mercedes SL 55 AMG (5.5k) 476 hp reach after a remap?

After Stage 1 the power of the Mercedes SL 55 AMG (5.5k) 476 hp rises from 476 to 530 hp, a gain of 54 hp (+11%). Torque rises from 700 to 820 Nm (+120 Nm).

How does Stage 1 differ from stock on the Mercedes SL?

Stage 1 on the Mercedes SL 55 AMG (5.5k) 476 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +54 hp with no hardware changes.

What does Stage 1 give on the top-spec Mercedes SL 55 AMG (5.5k) 476 hp?

Stage 1 for the Mercedes SL 55 AMG (5.5k) 476 hp unlocks the potential built in by the factory but artificially capped to meet mass-market targets. A base of 750-800 hp is achievable once hardware is added.

How does Stage 2 differ from Stage 1 on the Mercedes SL 55 AMG (5.5k) 476 hp?

Stage 2 on the Mercedes SL 55 AMG (5.5k) 476 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What control unit does the Mercedes SL 55 AMG (5.5k) 476 hp run?

The control unit of the Mercedes SL 55 AMG (5.5k) 476 hp is the Bosch ME2.8.1. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Mercedes SL?

Stage 1 on the Mercedes SL voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Mercedes SL 55 AMG (5.5k) 476 hp done?

The full remap cycle for the Mercedes SL — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Mercedes SL?

The original Mercedes SL ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Mercedes SL 55 AMG (5.5k) 476 hp?

The cost of Stage 1 for the Mercedes SL 55 AMG (5.5k) 476 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno