Application - Compatible with Benz M133 M260 M264 M270 M274 engines; compatible with Benz 1.6L V4 engines; suitable for Benz A class and B class models. Part numbers - 270 589 00 6100, 270 589 01 6100. This timing tool meets OEM standards and fits the M133 M264 M270 M274 engines precisely for professional timing work. Function and design - Locks camshafts in their required timed position. - Allows you to slacken and tighten bolts attaching to the camshaft gears. - Round corners minimize risk of scratching your hands during use. Material and durability - Made of high quality steel, multi-forged and heat treated. - High hardness, strong, durable, resistant to oxidation. - Extended service life for regular maintenance. Why you need this tool - Ensures accurate cam timing during belt/chain service, reducing the risk of timing errors. - Provides a reliable method to hold camshafts while removing or tightening cam gear bolts. - OEM-standard fit across multiple Benz engines, suitable for professional workshops and serious DIY maintenance. Use scenarios - Replacing the timing belt on Benz M133, M260, M264, M270, or M274 engines. - Timing alignment and cam gear bolt work on Benz 1.6L V4 engines, including A-class and B-class. - Routine maintenance or workshop scenarios requiring secure camshaft positioning during timing-related procedures.