Have a noise you can't find? Find it fast with a Schwaben Stethoscope.
1992 Mercedes Benz 300E Base Sedan 124.030 L6 3.0L Engine Diagnostic Tools
The only way to check compression is with a compression tester like this one.
Easy to use bore scope.
Easy to check for power even through insulation.
Works on 6-24 Volt systems.
Complete transmission and oil pressure testing in one kit
4 white LEDs with 6 output levels
The turbo system leakage tester helps locate air leaks in the components by plugging the output side of the turbo and plugging the intake inlet
Also known as an exhaust temperature gauge.