Originally Posted by +fireamx
The 2003 Mercedes SLK320 rear tires were the same diameter as ours, so their spare should work on a Crossfire without throwing off the traction control and putting your car into "limp" mode. Sorry, I don't have a part #.
Check out LKQ for one from a salvaged SLK. Good Luck
Hey I am guessing this one might work?;
MERCEDES W203 C230 R170 SLK SLK230 INFLATABLE SPARE OEM - eBay (item 190510494619 end time Mar-16-11 10:57:04 PDT)
Does it work for both front and rear?
Thanks!