Original MERCEDES-BENZ A1770168800 / A1770102610 Cylinder head installation side left C63 A205 S205 W205 E63 C238 W213 S213 X290 W221 S63 W463 G63 AMG and much more. New Technical data: Manufacturer part number A 177 016 87 00 / A 177 010 27 10 A 000 159 05 00 A 177 053 00 00 A 177 050 43 00 Valve clearance compensation left/right A 642 050 00 80 Rocker arm inlet-outlet left / right A 256 050 43 00 / A 256 050 72 00 / A 276 050 14 00 Valve spring inlet Valve spring outlet Installation position Engine compartment on the left The vehicle usage list is only for rough comparison purposes! Please compare the specified original part number and the Item description, with the version required for your vehicle. If you are not 100% sure, do not hesitate. Write to us. We will be happy to help yo.