shocks on 2001 e430
 

I am going to change shocks on my 2001 E430. I will replace the old with Bilstein but I don't know if I should buy heavy duty or touring models. I find heavy duty for all 4 wheels but can only find touring for the back. Can you please help me with a clarification and which I should buy.
Thanks
Steve Dale

If you are going to tow,carry loads,or alot of people,I'd go heavy duty.