600SEL (140.057) V12-6.0L (120.980) (1993)
Compression Check: Testing and Inspection
HAZARD WARNINGS
WARNING:
Risk of injury when hood opened and engine running.
The engine is equipped with an electronic ignition system. Because of the high ignition voltage, it is extremely dangerous to touch any of the
ignition components (ignition coil, distributor, ignition cables, spark plug connectors, test socket) when:
^
The engine is running.
^
The engine is started.
^
The key in the steering lock is in position 2 and the engine is being cranked by hand.
Pay attention to notes regarding working on breakerless transistorized ignition system!
PROCEDURE
Engine
Warm up to normal operating temperature.