Mercedes CLS 500 (5.5i) 388 hp — Stage 1 file (+20 hp)
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Stage 1 file for Mercedes CLS 500 (5.5i) 388 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes CLS 500 (5.5i) 388 hp ECU
Mercedes CLS (2004 - C219) 500 (5.5i) 388 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 388 to 408 hp (+20 hp, +5%) and torque from 530 to 570 Nm (+40 Nm). ECU — Bosch ME9.7. Flashing method: OBD or Bench depending on the unit's protection. The 2004 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.
Smart is Mercedes's city sub-brand, historically running Mitsubishi and Renault engines. Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. The Mercedes three-pointed star symbolises dominance on land, at sea and in the air. Top AMG engines offer significant potential with a downpipe + intake. 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.
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 500 (5.5i) 388 hp?
After Stage 1 the power of the Mercedes CLS 500 (5.5i) 388 hp rises from 388 to 408 hp, a gain of 20 hp (+5%). Torque rises from 530 to 570 Nm (+40 Nm).
How does Stage 1 differ from stock on the Mercedes CLS?
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 +20 hp with no hardware changes.
Does Stage 1 make sense on the Mercedes CLS 500 (5.5i) 388 hp with this much power?
Stage 1 for the Mercedes CLS 500 (5.5i) 388 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.
What is Stage 2 for the Mercedes CLS 500 (5.5i) 388 hp?
Stage 2 on the Mercedes CLS 500 (5.5i) 388 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What ECU platform does the Mercedes CLS 500 (5.5i) 388 hp use?
The Mercedes CLS 500 (5.5i) 388 hp is fitted with the Bosch ME9.7 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 500 (5.5i) 388 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Mercedes CLS 500 (5.5i) 388 hp cost?
The remap price for the Mercedes CLS 500 (5.5i) 388 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.