It’s a key programming step-by-step operation shared by a customer who has managed to program key for Mercedes-Benz W220 with CKM100 Car Key Master.
Procedure:
Unsolder the ignition module EIS
When ignition module is unsoldered, mark the two CPU chip on the circuited board with signs “1” “2”, to avoid confusion
Use the air gun to blow then down
Then weld chip “1” and “2” to the two MC68HC705-64 board correctly
Board after welding
Program stalls controller ESM
Find the 93C56 chip on the circuit board
Solder it to the OBP adapter correctly
Then process the key
Disassemble the MOTOROLA key
Remove the chip from the circuit board and solder it on MC705F6 adapter board
Disassemble NEC key in the same way
Remove the chip from the circuit board and solder it correctly
Done!
For Mercedes Benz, Car key master CKM-100 key programmer also work well with the following models:
Benz S CLASS (W140 W220)
Benz CL CLASS (W215)
Benz SL CLASS (R230)
Benz E CLASS (W210 W211)
Benz CLK CLASS (R230)
Benz CLS CLASS (W219)
Benz C CLASS (W202 W203)
Benz ML CLASS (W163)
Technical support How to program Mercedes W220 key with CKM100 by .