Original file
Original / Factory · Petrol · 300 - 258hp
MB S 350cdi original file Bosch · SW 516329
Mercedes-Benz S 350cdi 189.8 kW (258 HP) Original2011, 189.8 kW (258 hp)
258 HP Factory calibration Stock backup file, 370 Nm, Petrol
Calibrated ECU file for (SW 516329). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 300 - 258hp, 2L, Petrol. Engine #4600 in our gains database.
- Power
- 258 HPfactory calibration
- Torque
- 370 Nmfactory calibration
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
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Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
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Match the numbers
Your read must show hardware 642LS and software 516329.
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Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
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Write it and drive
Write it back the way you read it. Not right for your car? We correct it free.
What the car needs
Required modifications: Factory, Petrol.
Hardware
- Factory hardware: no modifications required
Software / calibration
- OEM calibration restored (recovery / immobiliser / coding work)
Original files are used to revert to factory state, repair after a faulty tune, or recover an ECU before service work.
Vehicle & ECU specifications
Exact vehicle, engine and ECU identifiers this calibration file is written for. Cross-check against your ECU before flashing.
| Vehicle make | Mercedes-Benz |
|---|---|
| Vehicle model | S 350cdi |
| Model year | 2011 |
| Factory power | 189.8 kW (258 HP) |
| ECU manufacturer | Bosch |
| ECU ID | CR60-642LS-8CL3-CH4 |
| ECU hardware | Q2-221WA-LS |
| ECU software | 516329 |
| Calibration stage | Original (Factory) |
| OEM engine code | 300 - 258hp |
| File format | BIN / ORI |
| Checksum | Pre-corrected (ready to flash) |
| Delivery | Instant download after payment |
Engine performance matrix
Power, torque and fuel-economy figures for every tuning stage on this engine, sourced from the tuning-database Gains API. Values are healthy-engine crank numbers; real on-road gains vary with fuel, altitude and mechanical condition.
| Stage | Power | Torque | Δ HP | Δ Nm |
|---|---|---|---|---|
| Original / Factory | 258 HP | 370 Nm | — | — |
| Stage 1 | 275 HP | 450 Nm | +17 (6.6%) | +80 |
| Stage 2 | 292 HP | 473 Nm | +34 (13.2%) | +103 |
| Stage 3 | 426 HP | 574 Nm | +168 (65.1%) | +204 |
| Stage 4 | 503 HP | 685 Nm | +245 (95%) | +315 |
About this calibration file
This is the factory (original) ECU calibration for the 2011 Mercedes-Benz S 350cdi, extracted from a genuine stock control unit. Use it as a verified backup before flashing any performance tune, or as a reference when recovering an ECU from a failed write.
This file matches a Bosch ECU with hardware number Q2-221WA-LS and software version 516329. Verify both identifiers in your flashing tool before writing — an ID mismatch is the most common cause of a bricked ECU. If you are unsure, upload a read of your original file via the file-request wizard and our engineers will confirm compatibility before you flash.
The file is delivered as a ready-to-flash BIN (and ORI backup where applicable) compatible with all major tools — KESS V2/V3, KTAG, AutoTuner, CMDFlash, Dimsport New Genius, MPPS, Flex, BFlash, PCMFlash, MMFlash — via OBD, bench or boot-mode as supported by your ECU family. Checksums are pre-computed and verified; no additional checksum tool is required. All files include a free revision if post-flash logs reveal a fuelling, boost or EGT issue.
Frequently asked questions
Q2-221WA-LS (Bosch) listed in the specifications. Read your ECU with any supported tool (KESS, KTAG, AutoTuner, CMD, etc.) and compare the hardware + software numbers against the ones on this page. If they match exactly, the file is a direct fit. If you're not 100% sure, upload your original read via the file-request wizard and our engineers will confirm within minutes — no cost, no obligation.Product details
This product contains a complete original ECU backup (stock file) for MB S 350cdi 2011 189.8KW with Bosch CR60-642LS-8CL3-CH4 and software ID Q2-221WA-LS (Bosch software number 516329 ( 1037516329 )). This original file corresponds to a factory engine output of approximately 189.8 kW (~258 HP). This file is ideal for ECU cloning, restoring the car back to stock and using it as a safe base for future remaps.
All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as CR60-642LS-8CL3-CH4, Q2-221WA-LS, 516329 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
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