EZL units.
Up to ident. No. F002926 (see VIN code)
007 545 70 32
007 545 71 32

Up to ident. No. F005903
010 545 39 32

Up to ident. No. F046077
010 545 95 32
010 545 96 32
or replaced by
012 545 20 32
012 545 21 32
or replaced by
013 545 83 32

N.B. 016 545 04 32 is replacing all other and must work on all 300 SL US-ver.; newest ("from ident. No") units must work on older ("up to ident. No.") vehicles.