Crankshaft Pulley Holding Tool for Mercedes M176, M177, M178, as Mercedes W177589004000

This professional special tool is designed for counter-holding the crankshaft pulley on Mercedes M176, M177 and M178 V8 engines during removal and installation procedures.

The tool is required when loosening and tightening the crankshaft center bolt to the manufacturer’s specified torque without damaging the pulley or drivetrain components.

Manufactured with high precision, the holding tool ensures secure engagement and optimal fitment for professional workshop applications.

Required Torque Reference

Example tightening specification:

Reference engine:

• M177.980
• Mercedes AMG GT X290

Crankshaft center bolt tightening torque:

• 200 Nm + 90°

Vehicle Compatibility

Suitable for the following Mercedes models:

• Mercedes AMG GT (C190, R190)
• Mercedes C 63 AMG (W205, S205, C205, A205)
• Mercedes E 63 AMG (W213, S213)
• Mercedes GLC 63 AMG (X253, C253)
• Mercedes S-Class V8 variants (W222, W223)
• Mercedes G 500 / G 63 AMG (W463)
• Mercedes GLE 580 / GLE 63 AMG (W167)
• Mercedes GLS 580 / GLS 63 AMG (X167)
• Mercedes SL 63 AMG (R232)

Compatible Engine Codes

Suitable for the following engine codes:

• M176
• M177
• M178

OEM Compatibility

To be used as:

• Mercedes W177589004000
• Mercedes 177 589 00 40 00

Includes:

• W177589004001
• W177589004002

Product Features

• Professional Stahlmaxx quality tool
• Precision-machined construction
• Designed according to manufacturer specifications
• Based on original tool design
• Accurate and secure fitment
• Suitable for professional workshop use

Professional Workshop Application

Suitable for professional workshops and technicians performing:

• Crankshaft pulley removal
• Crankshaft pulley installation
• Crankshaft center bolt service
• AMG V8 engine repairs
• Mercedes engine maintenance

OEM numbers are mentioned for identification purposes only. This product is not an original OEM tool.