WARNING: This page is about a different car, the 2009 Mercedes-Benz CLK350 and 2008 Mercedes-Benz CLK350. However, it is still accessible from the selected car via links, so may be relevant.
FG 35/Set C
MODEL 210
Use/specification:
Mounts (4 each) for measuring rear axle carrier on Celette straightening bench.
Fig 1: Measuring Rear Axle Carrier On Celette Straightening Bench