I assume this is a Euro model and you are in europe. I don't think other then the sprinter owners that there are many cdi owners here. Any E320 CDI drivers in this forum. CDI is pretty new to the US.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory