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Mercedes 350 CDI Remap & Chiptuning – E350 CDI W212, ML 350 CDI W166, GL 350 CDI
Professional ECU tuning and remapping for the Mercedes 350 CDI diesel engine. Our dyno-tested Stage 1 calibrations improve torque delivery, throttle response and drivability, with optional DPF, EGR and AdBlue/SCR solutions for supported ECUs.
Engine codes: OM642 3.0 V6
Fitted to E350 CDI W212ML 350 CDI W166GL 350 CDI
Performance Gains (Dyno-Tested)
| Engine | Stock | Tuned | HP Gain | Torque Gain | ECU | Order |
|---|---|---|---|---|---|---|
| 350 CDI | 265 hp | 305 hp | +40 hp +15% | +63 Nm | EDC17CP46Stage 1 | Order file → |
| 350 CDI | 258/265 hp | 289/296 hp | +31 hp +12% | +66 Nm | EDC17CP57Stage 1 | Order file → |
Figures are dyno-tested averages and may vary with hardware condition and fuel quality.
Cars this engine is fitted to
E350 CDI W212, ML 350 CDI W166, GL, Mercedes C, Mercedes C350 CDI, Mercedes CLS and 20 more
Mercedes · 26Measured here, tunable everywhere
The figures in the table above are readings taken on the dyno for this engine, not software estimates rounded up to sell a file, and our Stage 1 is calibrated to stay inside the margins the engine was designed with. Only a part of our work is published this way: every ECU, engine and model we can read can be remapped for power, measured page or not.
Available ECU Services for this Engine
The following solutions are supported on the ECU(s) of this vehicle (Diesel):
Technical Notes per ECU
Disconnection and read requirements differ by ECU. The notes below apply to the specific ECU listed; the exact removal scope per service is confirmed on each service page.
Each note is tagged with the service it refers to and applies to the ECU it is listed under. Mechanical preparation is the installer's responsibility. Emission-related solutions are for off-road or motorsport use where permitted by law.
Supported ECU(s): EDC17CP46, EDC17CP57
Frequently Asked Questions
How much power can a Mercedes 350 CDI gain with Stage 1 tuning?
Stage 1 ECU tuning for the Mercedes 350 CDI can add up to +40 hp and +66 Nm of torque, based on dyno-tested calibrations. Actual figures depend on the exact engine variant and hardware condition.
Can DPF, EGR and AdBlue/SCR be removed on the Mercedes 350 CDI?
DPF, EGR and AdBlue/SCR off is supported on the ECU(s) of this vehicle, strictly for off-road or motorsport use where permitted by law. The exact mechanical preparation and sensor handling are listed per ECU in the technical notes below.
How do I order and how fast is the tuning file delivered?
Upload your original ECU read through the tuning page and receive the calibration by email. Most files are delivered within 15-20 minutes during working hours (daily, 07:00-23:00 CET).
Is the Mercedes 350 CDI tuning file plug-and-play?
You receive a ready-to-flash calibration based on your original file. Flashing it back to the ECU and any related mechanical preparation are handled by the installer with their own tools.
Order your Mercedes 350 CDI tuning file
Upload your original ECU file and receive a professional calibration in 15-20 minutes.
Tune Your File →v4.31.23