Got to looking for such a meter and for a reasonable price, up popped the VC97.
Reviews on YouTube looked good so I picked one up from fleabay delivered for under $30.

My cheeepie VOM doesnt directly do % duty cycles.

Nicely cased with literally quarter sized number readouts.
Included are a hefty tipped set of leads, a set of alligator clipped
leads and a not real impressive temp probe.

The back of the case even has probe holders, a good touch.

Havent used it yet. Initially from the specs and handling it Id say
its a great buy for anyone needing a meter that includes a duty cycle.

The under $30 price includes a cloth case and a useable instruction manual.

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__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."

It is nice to be able to "see" what is going on - have the right tools for the job!

Note you may need to reverse the leads to get the correct duty cycle. My multimeter reads % ON for Duty Cycle, whereas Mercedes uses % OFF.