...NO...there is nothing else...

I don't know the english terms for the parts, but the tensioner ("spanner") holds a "spanrol" (the additional pulley that pulls the multibelt) and the spring holds to non-bolted pins.

You have to manually force the tensioner and "spanrol" to loosen up...by push/pulling the multibelt

greetingz,

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1990 300SL-24
1993 C250D with a minor 600+k kilometer
www.MBenzNL.com(the Netherlands)