Most common 1999 Mercedes-Benz 300 problems
Share of the 6 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz 300 complaints by model year
Frequently asked questions
Is the 1999 Mercedes-Benz 300 a good car?
Based on 6 owner complaints filed with NHTSA, the 1999 300 rates average: about as many complaints as a typical year of the 300 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 1999 Mercedes-Benz 300?
The electrical system — 2 complaints, 33% of all complaints for this model year. Next are the engine & cooling (1) and transmission & drivetrain (1).
How many recalls does the 1999 Mercedes-Benz 300 have?
NHTSA lists no recalls for the 1999 Mercedes-Benz 300. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the Mercedes-Benz 300?
Years to avoid or approach with caution: 1995. See the full Mercedes-Benz 300 years comparison.
At what mileage do 1999 Mercedes-Benz 300 problems happen?
The median mileage reported in complaints is about 74,000 miles; 0% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.