This 1986 Mercedes-Benz 420SEL is finished in Smoke Silver Metallic (702) over Brazil (273) leather and powered by a 4.2-liter M116 V8 paired with a four-speed automatic transmission. Features include automatic climate control, tempomat cruise control, a sliding sunroof, power windows, and power-adjustable front seats. Now showing 97k original miles, this long wheelbase W126 has recently undergone a significant mechanical refresh in March 2021 that included: A visual inspection of timing chain, guides and top cam; a complete fuel delivery system overhaul including new pumps, filter, accumulator, and hoses; New heavy duty Bilstein shocks; New Toyo tires; New air filters; All new fuses installed (fuse box service); an engine oil and filter change; a valve train inspection including new valve cover gaskets, new spark plugs, and a new coolant reservoir cap. This W126 is now offered by the seller in Alabama with factory literature, service records dating back to the 1980s, a factory tool kit, a clean Carfax report, and a clean Alabama title.

The exterior is finished in Smoke Silver Metallic (702) with contrasting lower cladding and features headlight wipers, a sliding metal sunroof with tilt function, and a power antenna. This example recently received a high-quality repaint in the original color to correct damage due to key scatches around the body. Close-up photos of the paintwork, trim, and lenses are provided in the gallery below.

Factory 15″ Gullideckel alloy wheels wear a set of 205/65 Toyo Extensa A/S tires showing 2020 date codes. The wheels appear free of any major curbing, damage, or other defects. A matching spare fitted with an older tire is stored in the trunk. The tires were replaced in 2021 along with new Bilstein shocks all around.

The power-adjustable front seats are upholstered in Brazil leather (273), while Zebrano wood veneers accents the dashboard, center console, and door panels. The Zebrano veneers present in excellent condition with no major cracks or delamination visible. Amenities include power windows, central locking, cruise control, automatic climate control, and an upgraded Sony CD stereo head unit.

The airbag-equipped steering wheel frames a 160-mph speedometer and a tachometer with an integrated clock, along with gauges for coolant temperature, fuel level, oil pressure, and fuel economy. The six-digit odometer shows 97k original miles, which is consistent with the linear mileage updates on the Carfax report.

The 4.2-liter M116 V8 was factory rated at 210 horsepower and 221 lb-ft of torque, which is sent to the rear wheels through a four-speed automatic transmission. This W126 has recently undergone a significant mechanical refresh in March 2021 that included:

• A complete fuel delivery system overhaul including new pumps, filter, accumulator and hoses
• New air filters
• All new fuses installed (fuse box service)
• Engine oil and filter change
• A visual inspection of timing chain, guides and top cam
• Valve train inspection including new valve cover gaskets, new spark plugs and a new coolant reservoir cap

The Carfax report first updates in 1990 and shows history in Washington State until 2021 with no accidents or damage listed through its most recent update in April 2021. Factory literature, service records, and spare items included in the sale are shown in the gallery.

Both startup and exterior walkaround videos are viewable below.