1991 Mercedes-Benz S-Class predecessor W126 420SEL is a Sedan model with 4-speed automatic transmission. This is a rear wheel drive model With a power of 201 HP and 228.00 ft lbs of torque. An urban consumption is 14.00 MPG. The engine has a capacity of 4.20L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.