2002 Mercedes S-Class 3.2L Diesel · GX02 ACF

The vehicle maintains a roadworthy status, but the maintenance history reveals a persistent and worsening trend regarding brake system integrity. The most recent test in August 2023 at 219,938 miles identified corrosion across all four brake pipes, which were also obscured by grease. This represents a progression from previous years dating back to at least 2019, where only the central and front pipes were flagged, indicating a failure by previous owners to address systemic oxidation of the hydraulic lines as time. The mileage pattern is remarkably consistent with the vehicle's age, averaging approximately 9,100 miles per year over the last five years. Between August 2022 and August 2023, the car covered only 2224 miles, suggesting recent low-frequency use rather than long periods of neglect. However, the low annual mileage does not offset the high cumulative total of nearly 220,000 miles, which places significant stress on the rubber components, suspension bushings, and drivetrain elements of an S-Class of this era regardless of the annual distance driven. A buyer must conduct a thorough physical inspection of the entire brake line network, as the recurring reports of corrosion suggest the pipes are nearing the end of their structural life. The presence of grease on these lines is often an attempt to hide surface rust from inspectors, which warrants a close look for thinning metal or flaking. Given the age and high mileage, attention should also be paid to perished rubber hoses and the condition of the control arm bushings, which are common points of failure on this chassis.