Most techs don't use a torque wrench on small bolts. The torque wrench needed would have to be in in/lbs and would be very cumbersome to use in close environments. We use 'feel' for any accessory bolts.
The critical bolts to torque are head bolts, crankshaft mains and rods.
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS