The 1989 Mercedes-Benz 300E has a documented service history, including a 2024 front engine seal and valve cover gasket replacement, October 2024 brake rotor replacement, and a 2025 driver-seat module replacement. The air conditioning compressor was replaced in 2022 and the refrigerant was recharged in August 2025. A June 2026 invoice notes an exhaust leak at the rear muffler.