Is this the correct Mercedesshop PN for dash lights for my 84 300TD T? I am looking at 4B300-24144. This'll tell you how many times I've had the dash apart: how many do I need to just replace them all while I'm in there?

Thanks!

Chris

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)