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.
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.