TJJ
Member
Hi All, Been a few years since I posted on here but confusion is getting the better of me so I'm hoping some kind soul will point me in the right direction..... Or tell me where to go. 
My wife sold her ultra reliable R171 SLK350 and bought a 2017 SLC250D. In the year of ownership it's had both NOX sensors and both front springs replaced due to failure. So, the £35 road tax may be great, but the spanner wielding hassle is not so. Anyway, it appears to have developed an oil leak, presumably on an engine oil cooler, but I can't see whether it's a joint that's got a failed rubber O ring seal, which I note is a common issue, or whether it's a genuinely broken pipe. I've spent a lot of time searching but not found anything directly relating to this. I'd be very grateful for any help. I've highlighted where the oil leak is in the picture.
My wife sold her ultra reliable R171 SLK350 and bought a 2017 SLC250D. In the year of ownership it's had both NOX sensors and both front springs replaced due to failure. So, the £35 road tax may be great, but the spanner wielding hassle is not so. Anyway, it appears to have developed an oil leak, presumably on an engine oil cooler, but I can't see whether it's a joint that's got a failed rubber O ring seal, which I note is a common issue, or whether it's a genuinely broken pipe. I've spent a lot of time searching but not found anything directly relating to this. I'd be very grateful for any help. I've highlighted where the oil leak is in the picture.
