Mercedes CLA 45 AMG S (2.0T) 421 hp — Stage 1 file (+39 hp)
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Stage 1 file for Mercedes CLA 45 AMG S (2.0T) 421 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes CLA 45 AMG S (2.0T) 421 hp ECU
Mercedes CLA (2019 - C118) 45 AMG S (2.0T) 421 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 421 to 460 hp (+39 hp, +9%) and torque from 500 to 560 Nm (+60 Nm). This engine ships with different ECU variants: Siemens/Continental CPC_NG, Bosch MG1CP002, Bosch VGS3-FDCT (8G Tronic). The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. A modern petrol engine built in 2019 — a generation with encrypted ECU protection (Tricore TPROT); top engines require Bench.
The Mercedes-Benz Group AG (Daimler AG until 2022) comprises Mercedes-Benz, AMG, Maybach, Smart and the EQ line. 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. 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 Mercedes community in Europe has a large pool of available Stage files for the standard models. Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On modern Mercedes, the encryption requires specialised Bench tools. 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. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models.
Frequently asked questions
How much does the power of the Mercedes CLA 45 AMG S (2.0T) 421 hp increase after Stage 1?
The Stage 1 gain for the Mercedes CLA 45 AMG S (2.0T) 421 hp is 39 hp (+9%) over the stock 421 hp, for a total of 460 hp. Torque rises from 500 to 560 Nm (+60 Nm).
What is Stage 1 chip tuning for the Mercedes CLA?
Stage 1 is a software optimization of the factory ECU firmware of the Mercedes CLA with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +39 hp with no hardware changes.
Does Stage 1 make sense on the Mercedes CLA 45 AMG S (2.0T) 421 hp with this much power?
Stage 1 for the Mercedes CLA 45 AMG S (2.0T) 421 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 CLA 45 AMG S (2.0T) 421 hp?
Stage 2 on the Mercedes CLA 45 AMG S (2.0T) 421 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which control units is the Mercedes CLA 45 AMG S (2.0T) 421 hp built with?
The Mercedes CLA 45 AMG S (2.0T) 421 hp comes with 3 ECU variants: Siemens/Continental CPC_NG, Bosch MG1CP002, Bosch VGS3-FDCT (8G Tronic). Calibration is done for the specific unit after the revision is identified.
Does the factory warranty of the Mercedes CLA remain valid after Stage 1?
After remapping the Mercedes CLA, 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 CLA?
Reading and writing via OBD takes 25-30 minutes on the Mercedes CLA. 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 CLA?
Before Stage 1 the original of the Mercedes CLA 45 AMG S (2.0T) 421 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Mercedes CLA 45 AMG S (2.0T) 421 hp cost?
The remap price for the Mercedes CLA 45 AMG S (2.0T) 421 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.