Mercedes-Benz M177 M178 engine timing tool kit.

Camshaft and Crankshaft Alignment: The kit's primary function is to lock the camshafts at Top Dead Center (TDC) and to correctly position the crankshaft for timing chain assembly and disassembly.
 
OEM Equivalents: The tools are designed to replace or are equivalent to specific Mercedes-Benz factory tools, such as 177589014000, 177589001500, and 117589024000.
Essential Components: A complete kit typically includes:
Camshaft holding tools
Crankshaft locking pin
Camshaft adjuster holding tool
T100 socket for camshaft screw removal
Other various screws and pins needed for timing procedures
 
Applications.
Engine Codes: The tools are for the M177 and M178 4.0L biturbo V8 engines.
Vehicle Models: They are used in many AMG models, including the C63, C63S, E63, S63, G63, and GT, as well as certain Maybach models.
(engine codes M177 and M178 from 2015 onwards).
It is also compatible with other Mercedes-Benz models like the AMG GT, C Class, E Class, G Class, GLC, GLE, GLA, S Class, and Maybach, as well as Aston Martin models such as the DB11 V8, DB11 Volante, DBX, and Vantage.
The kit is essential for tasks like disassembling and assembling the timing chain, ensuring the camshaft is locked at the required timing position.
It comes in a portable storage case for easy organization and transport.