27. Mercedes-Benz ML350
The Mercedes-Benz ML350, while available at attractive prices, presents several maintenance challenges that can lead to significant long-term expenses. Common issues include:
Complex Electronics: The ML350’s advanced electronic systems, including the Signal Acquisition Module (SAM), can experience failures, leading to issues with lights, wipers, and power windows. Repair costs can vary widely depending on the extent of the problem. (researchthecar.com)
All-Wheel Drive (AWD) System Issues: The vehicle’s AWD system may develop problems, such as leaks in the power steering rack, leading to loss of steering fluid and potential steering difficulties. Replacing the power steering rack can cost between $1,500 and $3,000. (motorandwheels.com)
Air Suspension Failures: The AIRMATIC air suspension system can experience issues like air spring leaks or compressor failures, resulting in uneven ride heights or a “Suspension Fault” warning light. Repairing or replacing components of the air suspension system can be costly, with individual corner repairs ranging from $1,500 to $2,500, and full system replacements approaching $6,000. (rerev.com)
For more detailed owner experiences and discussions on these issues, refer to the MBWorld forums. (researchthecar.com)