For many years, I have run the 'optional' tire sizes on the W116, which was 205/70R14 on the 450 SEL 6.9 variant.

Forum member 'hammerwerfer' used a set of 215/60R14's on his W116 without rubbing or interference of any kind.

Running some basic calculations, I have discovered that going from a 205 to a 215 would change the speedo reading by roughly 1.3 MPH.

Changing to the 2.47:1 diff will find me having to use a 2.88;1 speedo from a 107 SL, so while I will have some speedo errors that will need to be addressed, the readings will not be too far off.

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Did you just pass my 740 at 200 kmh in a 300SD?????

1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013



100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership