96 Model Mercedes E230 (M111 engine) W210
Engine is knocking.
What is this noise?
The engine makes this noise both hot and cold
The engine makes this noise both LPG and benzine.
Car works like diesel.
Oil is new (Castrol magnatec 10w40)
I changed the oil filter 5000 km ago.
Oil level is fine.
Coolant level is fine.
Lifter? Pulley? Piston?