Mercedes CLS 55 AMG (5.5k) 476 hp — Stage 1 file (+54 hp)
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Stage 1 file for Mercedes CLS 55 AMG (5.5k) 476 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes CLS 55 AMG (5.5k) 476 hp ECU
Mercedes CLS (2004 - C219) 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. A petrol engine built in 2004 — the era before widespread firmware encryption, OBD flash without complications.
AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. Maybach is Mercedes's ultra-luxury sub-brand. AMG is Mercedes's performance division (since 1967), acquired by Mercedes in 1999. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships. Brabus is an independent Mercedes tuning house specialising in top-model upgrades.
AMG engines confidently reach Stage 2 with a downpipe + intake. The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. Stage 1 on Mercedes often requires refreshing the adaptations after the flash. Brabus is a premium alternative to AMG for the top models. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models. Top AMG engines sit at the Mercedes power ceiling, and the gain is significant.
Frequently asked questions
What is the Stage 1 effect on the Mercedes CLS 55 AMG (5.5k) 476 hp?
Stage 1 for the Mercedes CLS 55 AMG (5.5k) 476 hp adds +54 hp — power increases from 476 to 530 hp (+11%). Torque rises from 700 to 820 Nm (+120 Nm).
What does a Stage 1 remap of the Mercedes CLS 55 AMG (5.5k) 476 hp include?
Stage 1 is a software optimization of the factory ECU firmware of the Mercedes CLS with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +54 hp with no hardware changes.
Does Stage 1 make sense on the Mercedes CLS 55 AMG (5.5k) 476 hp with this much power?
On the top-spec Mercedes CLS 55 AMG (5.5k) 476 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
What is Stage 2 for the Mercedes CLS 55 AMG (5.5k) 476 hp?
Stage 2 for the Mercedes CLS 55 AMG (5.5k) 476 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
What ECU platform does the Mercedes CLS 55 AMG (5.5k) 476 hp use?
The Mercedes CLS 55 AMG (5.5k) 476 hp is fitted with the Bosch ME2.8.1 ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.
Does the factory warranty of the Mercedes CLS remain valid after Stage 1?
After remapping the Mercedes CLS, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Mercedes CLS?
Reading and writing via OBD takes 25-30 minutes on the Mercedes CLS. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Mercedes CLS?
Before Stage 1 the original of the Mercedes CLS 55 AMG (5.5k) 476 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Mercedes CLS 55 AMG (5.5k) 476 hp cost?
The remap price for the Mercedes CLS 55 AMG (5.5k) 476 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.