1999 Mercedes-Benz SL500 Q&A

1999 Mercedes-Benz SL500 Question: Spark plug wire diagram

What I nee dis the letter diagram the spark plu wires need to be in. Im replacing them and dont think the mechanic placed them in the right order. If somneone has one or know the alphabetical or please let me know. Thanks -
Answer 1
repl one at a time as to not get lost on firing order or mark them with tape 1st -