2018 Mercedes-Benz B250

The 2018 Mercedes-Benz B250 is a compact hatchback known for its comfort, fuel efficiency, and upscale interior. In North America, the B250 was offered with a 2.0-liter turbocharged four-cylinder engine producing around 208 horsepower and 258 lb-ft of torque. This engine was paired with a 7-speed dual-clutch automatic transmission. Owners generally appreciate its smooth ride, luxurious feel, and practical cargo space. Common dislikes include its somewhat bland styling, higher price point compared to competitors, and the complexity of the infotainment system.

Engine

2.0L Turbocharged Four-Cylinder

• Oil Leaks
  • Description/Symptoms: Oil leaks can develop from various seals and gaskets in the engine, often noticed as oil spots on the ground or a burning oil smell.
  • Solution: Identify the specific source of the leak (valve cover gasket, oil pan gasket, etc.) and replace the faulty seal or gasket.
  • Estimated Cost to Fix: $150 - $800+ depending on the location of the leak.
  • Recalls: None Found
• Failed Ignition Coils
  • Description/Symptoms: Misfires, rough running, and a check engine light.
  • Solution: Replace the faulty ignition coil(s).
  • Estimated Cost to Fix: $100 - $300+ per coil.
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic

• Harsh Shifting
  • Description/Symptoms: Jerky or abrupt shifts, especially at lower speeds.
  • Solution: In some cases, a software update can improve shift quality. If the problem persists, valve body issues or clutch wear may require replacement or repair.
  • Estimated Cost to Fix: $150 for software update, $800 - $3000+ for valve body or clutch replacement.
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A noticeable delay when shifting from Park or Neutral into Drive or Reverse.
  • Solution: Diagnose for internal transmission damage or low fluid pressure. Could require a transmission rebuild or replacement.
  • Estimated Cost to Fix: $2000 - $6000+ for transmission replacement.
  • Recalls: None Found

Suspension

• Noises From Suspension
  • Description/Symptoms: Clunking or squeaking noises, particularly when going over bumps.
  • Solution: Inspect and replace worn suspension components such as ball joints, control arm bushings, or sway bar links.
  • Estimated Cost to Fix: $100 - $500+ per component.
  • Recalls: None Found
• Worn Shocks/Struts
  • Description/Symptoms: Bouncy ride, excessive body roll during cornering.
  • Solution: Replace the worn shocks and struts.
  • Estimated Cost to Fix: $400 - $1200+ for replacement.
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: Freezing, slow response times, or random reboots of the infotainment system.
  • Solution: Software updates may address some issues. In more severe cases, the head unit may need to be replaced.
  • Estimated Cost to Fix: $0 for software update, $500 - $2000+ for head unit replacement.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The battery draining quickly, especially when the car is not driven for a few days.
  • Solution: Check for parasitic draws from aftermarket accessories or faulty electrical components.
  • Estimated Cost to Fix: $100-$500+, depending on source.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may get stuck, make excessive noise when opening or closing, or leak.
  • Solution: Clean and lubricate the sunroof tracks and mechanism. If the problem persists, the sunroof motor or other components may need to be replaced.
  • Estimated Cost to Fix: $50 - $200+ for cleaning and lubrication, $300 - $1000+ for component replacement.
  • Recalls: None Found

Summary The 2018 Mercedes-Benz B250 presents a mix of potential issues. Engine and transmission problems, while not overwhelmingly common, can be costly to repair. Electrical issues, particularly with the infotainment system, can be frustrating. Suspension issues can also add to the cost of ownership. Overall, while the B250 offers a luxurious experience, potential buyers should be aware of these common problems and factor them into their purchasing decision, including budgeting for potential repairs.