2018 Mercedes-Benz E250

The 2018 Mercedes-Benz E 250 is a luxury sedan known for its comfortable ride, elegant interior, and advanced technology. This model year offers a refined driving experience, making it a popular choice for those seeking a sophisticated vehicle. However, like any car, it has its share of potential issues. The E 250 is equipped with a 2.0L inline-4 turbo engine, producing 241 horsepower and 273 lb-ft of torque. Other engine options in the E-Class lineup include a 3.0L V6 and a 4.0L V8, depending on the specific trim level. Transmission options typically include a 9-speed automatic. Owners often praise the E 250 for its luxurious features and smooth ride, but some have reported concerns about electrical glitches and certain mechanical components.

Engine

2.0L Inline-4 Turbo

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various seals and gaskets in the engine, leading to low oil levels and potential engine damage. Common areas include the valve cover gasket, oil filter housing, and rear main seal. Symptoms include visible oil spots under the car, a burning oil smell, and low oil level warnings.
  • Solution: Replacing the leaking gasket or seal is the typical solution.
  • Estimated Cost to Fix: $200 - $1,000+, depending on the location and severity of the leak.
  • Recalls: None Found

Transmission

9G-Tronic 9-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifting, particularly between lower gears. This can manifest as jerky acceleration or a noticeable “clunk” during gear changes.
  • Solution: A software update for the transmission control module (TCM) or a transmission fluid flush may resolve the issue. In more severe cases, valve body replacement is required.
  • Estimated Cost to Fix: $150 - $300 for software update; $300 - $500 for fluid flush; $1,500 - $3,000+ for valve body replacement.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Premature battery drain can occur, especially if the car is left sitting for extended periods. This can be caused by faulty sensors, a module not shutting down, or a parasitic draw in the electrical system.
  • Solution: Diagnostic testing to identify the source of the parasitic draw, followed by replacement of the faulty component.
  • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue.
  • Recalls: None Found
• Malfunctioning Sensors
  • Description/Symptoms: Issues with various sensors, such as the parking sensors, tire pressure monitoring system (TPMS) sensors, or oxygen sensors, can lead to warning lights and malfunctioning systems.
  • Solution: Replacement of the faulty sensor.
  • Estimated Cost to Fix: $100 - $400 per sensor, depending on the location and type.
  • Recalls: None Found

Interior

• Malfunctioning Command System
  • Description/Symptoms: The COMAND infotainment system can exhibit issues such as freezing, lagging, or unexpected reboots. Bluetooth connectivity problems and navigation glitches have also been reported.
  • Solution: Software updates, system reset, or replacement of the COMAND unit.
  • Estimated Cost to Fix: $0 - $200 for software updates, $500 - $2000+ for system replacement.
  • Recalls: None Found

Summary

The 2018 Mercedes-Benz E 250 is a well-regarded luxury sedan, but potential buyers should be aware of common issues such as oil leaks, transmission roughness, electrical glitches, and infotainment system malfunctions. The severity of these issues can vary, and repair costs can range from a few hundred dollars for minor fixes to several thousand for more complex problems. It’s recommended to have a pre-purchase inspection performed by a qualified mechanic to identify any existing or potential issues before making a purchase.