What are the timing installation steps for the Mercedes-Benz 272 engine?

[Susan]

Mercedes-Benz 272 timing installation steps: 1. Rotate the cylinder to the vertically downward position, install the timing chain guide rail and then mount the timing chain; 2. Align the half-moon key on the crankshaft with the timing mark on the cylinder block, and align the notch on the balance shaft with the timing mark on the cylinder block; 3. Install the two copper chain links on the chain onto the crankshaft timing sprocket and the balance shaft timing sprocket respectively, aligning the copper chain links with a protruding position in the front groove of the crankshaft timing sprocket; 4. Assemble the camshaft adjusters, with the left intake camshaft adjuster marked 'L' and the right intake camshaft adjuster marked 'R'; 5. Install the left and right intake camshaft adjusters onto the corresponding left and right intake camshafts; 6. Finally, mount the camshaft adjusters onto the camshafts.