Is it safe to read and write Mercedes CRD ECUs with Alientech KESS3 by OBD?
Yes, KESS v3 is perfect for Benz cars.
It works well OBD2. You need a good stabilizer and it’s important.
Yes it is safe via OBD. But reads for like an hour. Writes much quicker.
Much easier and faster to bench those ones.
For example:
No problems made via OBD. In my vehicles, the motor fan also came on, so you must have good battery support.
I read and write it by obd it works good.