Hmmm..... 186,000km/115,000 miles, right?

The early R-Class MB's are known for a few issues, the balance shaft problem among the most notorious. The early 722.9 transmissions are known to have issues as well.

Lesser known problems include bad cylinder heads/not common (for some reason it always seems to be the #2 valve seats), leaky P/S pumps/steering racks, leaky rear air springs, and power tailgate problems.

Given the high mileage I doubt it's being sold as a Certified Pre-Owned vehicle, but you should be able to buy an after-market warranty. Still, a thorough pre-purchase inspection should be done by someone familiar with the R-Class!

Now for the good news. The R-Class is a really nice driving vehicle. It's very comfortable and offers great visibility. It's an ideal vehicle for a growing family, IMHO.

I'm not sure what options yours has, but if it's a clean car the price seems to be in the ballpark.