'85 w123 sedan rear shocks

[Demothen]

I'd like to replace my rear shocks soon. Can anyone confirm which part number is the "comfort" series? I'd assume it is the less expensive one: (Part #: 123-320-01-31-M12)

1985 Mercedes-Benz 300D Base Sedan - Suspension, Shocks & Springs - Page 1

Part #: 123-320-01-31-M12
Shock Absorber 1233200131 - Bilstein - Mercedes-Benz - 123-320-01-31-M12 | Pelican Parts

Part #: 123-320-02-31-M12
Shock Absorber 1233200231 - Bilstein - Mercedes-Benz - 123-320-02-31-M12 | Pelican Parts