Highly suggest you buy a tool for a job and go from there, you'll save time and money. Pretty much no one knows how to work on W115's anymore.

Did you know dealers consider the 211 to be dated and the W210 to be so ancient some don't service them anymore.

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.