SLK (R171). Engine 350 (230.467) Engine codes M 112.973 Production years 2003/03 - 2012/01 kW 180 hp 245 ccm 3724. Engine 280 (230.454) Engine codes M 272.949 Production years 2008/03 - 2012/01 kW 170 hp 231 ccm 2996.
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