Mercedes Atego 812 122hp (90kW) 470Nm — Stage 1 file (+28 hp)
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Stage 1 file for Mercedes Atego 812 122hp (90kW) 470Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Mercedes Atego 812 122hp (90kW) 470Nm ECU
Mercedes Atego (I) 812 122hp (90kW) 470Nm — premium diesel engine of the commercial segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 122 to 150 hp (+28 hp, +23%) and torque from 470 to 540 Nm (+70 Nm).
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. AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. The factory calibration on Mercedes diesels is conservative, leaving headroom for Stage 1 while preserving engine life. DPF/SCR with AdBlue is standard on all Euro-6 Mercedes diesels. Mid-generation diesel models use standard OBD read/write.
Stage 1 on Mercedes often requires refreshing the adaptations after the flash. The Mercedes community is active in Europe, with a large pool of available Stage files. Mid-range Mercedes engines are a premium segment with a conservative factory calibration, and Stage 1 preserves engine life. Mercedes prioritises smooth running, and Stage 1 preserves the engine's character. The Mercedes factory calibration allows a confident move to Stage 1 without hardware changes.
Frequently asked questions
How much horsepower does Stage 1 add for the Mercedes Atego 812 122hp (90kW) 470Nm?
Stage 1 chip tuning on the Mercedes Atego 812 122hp (90kW) 470Nm boosts engine output by 28 hp: from 122 to 150 hp. Torque rises from 470 to 540 Nm (+70 Nm).
What changes in the Mercedes Atego ECU after Stage 1?
Stage 1 on the Mercedes Atego 812 122hp (90kW) 470Nm 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 +28 hp with no hardware changes.
Is a Stage 1 remap safe for the 812 122hp (90kW) 470Nm?
Stage 1 on the Mercedes Atego 812 122hp (90kW) 470Nm is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.
How does Stage 2 differ from Stage 1 on the Mercedes Atego 812 122hp (90kW) 470Nm?
Stage 2 for the Mercedes Atego 812 122hp (90kW) 470Nm 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.
Does Stage 1 void the warranty on the Mercedes Atego?
Stage 1 on the Mercedes Atego 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 Atego 812 122hp (90kW) 470Nm done?
The full remap cycle for the Mercedes Atego — 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 Atego?
The original Mercedes Atego 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 Atego 812 122hp (90kW) 470Nm?
The cost of Stage 1 for the Mercedes Atego 812 122hp (90kW) 470Nm 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.