Top 7 Tools to Read and Write Mercedes SIM271 ECU

Question: Need to swap a Mercedes SIM271 ECU. Any idea which tool can do it?

Option 1:  BitBox Mercedes SIM271 Module
BitBox is the module for reading and writing on the bench by CAN-bus for petrol Mercedes-Benz W204/W212 vehicles with Siemens/Continental SIM271 ECUs.
The J2534 Tactrix Openport 2.0 interface, BitSoftware Senselock USB dongle and Universal Bench Cable are required to work with BitBox software.
The price cost will be  £159+£30+£70+£180= £439
bitbox-benz-sim271

Continental SIM271DE2.0 (FID: 209)
ECU is based on MCU Infineon Tricore TC1796 with internal flash memory 2Mb.
Allows reading of calibration area and writing with checksum correction by CANbus on the BENCH. No need to open ECU.
Siemens SIM271KE2.0 (FID: 213)
ECU is based on MCU Infineon Tricore TC1796 with internal flash memory 2Mb.
Allows reading of calibration area and writing with checksum correction by CANbus on the BENCH. No need to open ECU.
To activate AT-200 Mercedes SIM271 Module, you need to pay for the software license.
The Benz SIM271 Read/Write license takes US$275
at-200-benz-sim271
The total cost will be at-200 unit $510 + software $275 = $785.
Apart from Mercedes SIM271, AT200 will read/write over 1280 ECUs for free.
Option 3: MAGPro2 X17
xt17-benz-sim271
ver 12.2.10 software brings with it some very important promised protocols (such as clone/restore of MSD8x and SIM271)
  • Mercedes Continental SIM271DE: Clone/Restore Full Read/Full Write
  • Mercedes Siemens SIM271KE: Clone/Restore Full Read/Full Write
Price:  €4,690.00
Feedback:
X17 magic works perfect on sim271.
Done a few already with X17… all smooth.  No need to open ecu.
Option 4: Fgtech Galletto Original
fgtech-benz-sim271
April – September 2018 software upgrade adds Tool password Tricore SIM271 MERCEDES
in Boot Mode Tricore
Yes, works well
ecu’s needed when you want to replace your cars engine ecu  with a used  unit.
Your original ECU will have to be ”alive” ( ecu that will still communicate via diagnostics) and the replacement will be compatible (ideally the same part number).
(Fgtech clone won’t do it.)
Option 5: Ktag Original
Ktag read/write Mercedes SIM271 in boot mode
ktag-benz-sim271-1

ktag-benz-sim271-2
Ktag clone need luck.
Option 6:  VF2 Flasher
Reading the password for a Mercedes SIM271 ECU for full access (reading/writing/backup)
TRICORE (BSL):
  • MERCEDES SIM271 ( TC1796 ) – PWD READ [Via OBD protocol] / Int. Flash+ Int. Eeprom + External Eeprom ST95128 – Read/Write/Recovery/Checksum
  • MERCEDES SIM271 Automatic cloning function added!
v2-flasher-benz-sim271-1

v2-flasher-benz-sim271-2
Option 7: Dimsport
Dimsport New Trasdata can do the Job as well.

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