Car Guide to Buying a Used Mercedes-Benz

The Best Pre Purchase Car Inspection Service

Your Comprehensive Guide to the Thrills and Pitfalls of Buying a Used Mercedes-Benz

Buying a used Mercedes-Benz can be an exciting endeavour, but it’s crucial to be well-informed about potential faults and common issues that may arise with specific models. Mercedes-Benz cars are known for their luxury, performance and cutting-edge technology, but like any used vehicle, they can experience wear and tear over time. 

In this comprehensive guide, we’ll explore various aspects to consider when purchasing a used Mercedes-Benz.

alexis amz da cruz GfA 3 hLUNA unsplash

Research and Model Selection

  • Model Reputation:

    • Before diving into specific faults, research the reputation of the Mercedes-Benz model you are interested in. Some models may have a better track record for reliability than others.
  • Model Year Consideration:

    • Different model years may have variations in design, features, and reliability. Consider researching which model years have received positive reviews and updates.

Common Issues by Component


  1. Oil Leaks:

    • Check for oil leaks, especially around the valve cover gaskets and oil pan. Leaks can lead to engine damage if not addressed promptly.
  2. Timing Chain Issues:

    • Some Mercedes-Benz engines, particularly those with timing chains, may experience timing chain stretch issues. A rattling noise from the engine could be indicative of this problem.


  • Transmission Problems:

    • Test drive the vehicle thoroughly to ensure smooth shifting. Mercedes-Benz transmissions can be complex, and issues may arise, leading to rough shifting or slipping.
  • Conductor Plate Failure:

    • Certain models may experience conductor plate failure, causing transmission-related problems. Symptoms include erratic shifting and difficulty in engaging gears.

Suspension and Steering

  • Airmatic Suspension Issues:

    • Models equipped with Airmatic suspension may experience leaks or failures, leading to a harsh ride or uneven height levels.
  • Power Steering Leaks:

    • Check for power steering fluid leaks, as a leaking power steering system can result in difficulty steering.

Electronics and Technology

  • COMAND System Malfunctions:

    • The COMAND infotainment system in Mercedes-Benz vehicles can encounter software glitches or failures. Ensure all features, including navigation and entertainment, work correctly.
  • Sensor and Module Failures:

    • Modern Mercedes-Benz vehicles have numerous sensors and control modules. Issues with ABS, ESP or other electronic systems may occur, leading to warning lights on the dashboard.

Interior and Exterior

  • Leather Seat Wear:

    • Inspect the condition of leather seats for signs of excessive wear and tear, especially on older models.
  • Electrical Issues:

    • Check all interior and exterior lights, power windows, and other electrical components for proper functioning.

Inspection and Pre-Purchase Tips

  • Maintenance Records:

    • Request comprehensive maintenance records to understand how well the car has been cared for over the years.
  • Pre-Purchase Inspection:

    • Invest in a pre-purchase inspection by a qualified Mercedes-Benz mechanic. They can identify potential issues that may not be apparent during a regular test drive.
  • Vehicle History Report:

    • Obtain a vehicle history report to check for accidents, title issues, and odometer discrepancies.
  • Warranty Consideration:

    • If possible, consider purchasing a certified pre-owned (CPO) Mercedes-Benz, which often comes with extended warranties and additional peace of mind.

Buying a used Mercedes-Benz requires careful consideration of the specific model, its history and potential issues. While Mercedes-Benz vehicles offer a luxurious driving experience, being aware of common faults and performing thorough inspections can help you make an informed purchase decision. Remember to consult with experts, gather information, and take your time during the buying process to ensure a satisfying ownership experience.

Ready to get a pre purchased used Mercedes inspection? Contact the team at qualified Mercedes mechanic at Mobile Vehicle Inspections today.

Need A Car Inspection?

Email or Call Us Anytime!

Buy with confidence with a certified mechanic and vehicle inspector.
Google Rating
Based on 89 reviews

Book An Inspection