Autel MaxiIM IM508 (with XP400) and IM608 is capable of renewing Mercedes ECU/ISM CR3.xx, CR4.xx CR5.xx, CR6.xx, CR60.xx, CRD.11, CRD2.xx, ME9.7, MED17.7.x, SIM4LE, SIM4LKE, SIM266 etc. This function can be completed only on bench. Some ECUs can be done with or without GBox, some do require the Gbox.
Here is the demo guide on renewing W203 ECU CR3.44 by im508 + xp400 pro.
Connect xp400 wires with ECU according to the wiring diagram
In IM508 you select CR3.xx->On bench (or On bench G-box if you use G-box)-> Read engine ECU information
Establishing vehicle communication
Read ecu information
Press OK to save ECU info, always backup ECU data before operation.
Select Renew engine (ECU)
Autel im508 will ask you if Gbox is used. Here we don’t use Gbox, press NO and continue
Enter 16-digit special key password. If you read the key pass before, im508 will auto fill it.
Press OK to obtain erase password
Network connection is required to calculate password for renewing engine ECU
Establishing vehicle communication
Renew ecu is completed
Read ECU information again
CR3.44 ECU has been renewed successfully
https://www.obdii365.com/service/autel-im508-renew-benz-w203-ecu-cr3.html














































The Autel APB112 smart key emulator is designed to collect the data send from the ignition coil, aiming to identify the ignition coil troubles and decode the data of the vehicle key chip.
It an also emulate the vehicle key chip.
Autel APB112 expands the tablets’ already significant coverage and functionality by enabling you to quickly. Add keys to Toyota and Lexus vehicles in an All Keys Lost scenario.
Top advantages of APB112:
How to connect APB112 key simulator?
Demo: Program Toyota Camry 2016 All Smart Keys Lost with Autel IM508 & APB112
4). So far I’ve used the APB112 with just the 508, ‘17 Tacoma, 18 Camry, 13 Lexus all smart keys,worked perfect didn’t use either XP200 or XP400.</div
Done with IM508 and APB112
APB112
1. Back up Immobilizer
2. Make simulator key
3. Add key
15 min ‘s job.