Contacted my M-B dealer for a quote on some work for the car and they indicated that my hyper noisy serpentine belt tensioner is no longer available for the 450 cdi. That's rather surprising, as parts were reputed to be available for M-B and smart for a.....LONG time....
Anyway, does anyone have experience with a decent aftermarket tensioner, and if so, what is the brand and where did you get it?
TIA