Where is the engine serial number located on the Mercedes-Benz ML400?

[StKatherine]

The engine serial number on the Mercedes-Benz ML400 is located on the rear part of the engine, where it connects to the transmission. There is a flat surface with letters and numbers, which constitute the serial number. The meanings of the letters and numbers in the engine serial number are as follows: First part: Includes the product series code, generation symbol, and regional or manufacturer code. The manufacturer can choose appropriate letters as needed, but these must be approved and recorded by the standardized industry authority. Middle part: Consists of symbols for the number of cylinders, cylinder arrangement type, stroke, and cylinder diameter. Rear part: Comprises symbols for structural features and usage characteristics. End part: Differentiation symbol. When distinguishing is necessary due to improvements or other reasons within the same product series, the manufacturer selects an appropriate symbol. The rear and end parts can be separated by a "-".