Mercedes CLK 55 AMG (5.5i) 367 hp — Stage 1 file (+18 hp)
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Stage 1 file for Mercedes CLK 55 AMG (5.5i) 367 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes CLK 55 AMG (5.5i) 367 hp ECU
Mercedes CLK (2003 - W209) 55 AMG (5.5i) 367 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 367 to 385 hp (+18 hp, +5%) and torque from 510 to 535 Nm (+25 Nm). ECU — Bosch ME2.8. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2003 — the era before widespread firmware encryption, OBD flash without complications.
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. 4MATIC all-wheel drive is Mercedes' signature system, fitted to most models. AMG engines are a well-known base with plenty of headroom for Stage 2. AMG Performance Studio is the factory tuning studio for bespoke work. Mercedes encryption is among the toughest in the industry, especially on modern models.
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. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. 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. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler).
Frequently asked questions
What power gain do you get after chip tuning the Mercedes CLK 55 AMG (5.5i) 367 hp?
Stage 1 chip tuning on the Mercedes CLK 55 AMG (5.5i) 367 hp boosts engine output by 18 hp: from 367 to 385 hp. Torque rises from 510 to 535 Nm (+25 Nm).
What changes in the Mercedes CLK ECU after Stage 1?
Stage 1 chip tuning of the Mercedes CLK is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +18 hp with no hardware changes.
What is the Stage 1 potential of the Mercedes CLK 55 AMG (5.5i) 367 hp?
On the top-spec Mercedes CLK 55 AMG (5.5i) 367 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.
How much does Stage 2 add on the Mercedes CLK?
Stage 2 for the Mercedes CLK 55 AMG (5.5i) 367 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.
Which ECU is fitted to the Mercedes CLK 55 AMG (5.5i) 367 hp?
The Mercedes CLK 55 AMG (5.5i) 367 hp ECU is the Bosch ME2.8. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Mercedes CLK warranty after chip tuning?
The factory warranty of the Mercedes CLK does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Mercedes CLK take?
On the Mercedes CLK 55 AMG (5.5i) 367 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Mercedes CLK?
Yes, the original ECU firmware of the Mercedes CLK 55 AMG (5.5i) 367 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Mercedes CLK?
Stage 1 for the Mercedes CLK 55 AMG (5.5i) 367 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.