Steering wheel gear shifter, location/task/function - GF27.19-P-5137NKB

TRANSMISSION 722.9 in MODEL 171.4, 203, 230 as of 1.6.06 with CODE (428) Steering wheel shift buttons up to Model Year 8

TRANSMISSION 722.9 in MODEL 209, 211, 219 as of 1.6.06 with CODE (428) Steering wheel shift buttons

Shown on model 211

Fig 1: Locating Steering Wheel Gear Shifters

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Steering wheel gear shifter, location	The steering wheel gear shifter MINUS (S110/1) is located on the left, the steering wheel gear shifter PLUS (S111/1) is located on the right on the rear of the multifunction steering wheel (MFL).
Steering wheel gear shifter, task	Shifting range preselection Shifting into a gear from which the vehicle can be favorably accelerated or decelerated. Direct shifting of all forward gears
Steering wheel gear shifter, function		GF27.19-P-5137-04NKB