Due to age and sun exposure, the interior wood trim cracks and the finish gets a cloudy haze. Replacement if the trim would be the most common solution to the problem.
Car Problem Reports
Mercedes-Benz 300E Interior Wood Trim Cracks Due to Age and Sun Exposure
Mercedes-Benz 300E Problem
Average Mileage: 126,350 mi (81,000 mi - 157,000 mi)