Originally Posted by suginami

Yes, the cost of maintenance on our old cars can some months equal the monthly payment on a new car, but we don't have the highest expense that new cars have: depreciation. Our old cars have virtually stopped depreciating, but a $50,000 new Mercedes E class will lose slightly more than half of its value over the first four years.

Thus, the monthly cost of depreciation of a new E class comes out to about $520 / month, and this is on top of the monthly payment.

Save your money and keep this car on the road.