How to Find the Chassis Number on a Mercedes
1. Pop the hood by pulling the lever located between the driver's side door and the steering wheel.
2. Open the hood and look for the radiator at the front of the engine compartment.
3. Look for a metal data plate on top of the radiator. The data plate lists the chassis number and the engine number. The chassis number will be labeled either by the word "Chassis" or "Fahrgestall Nr."You can also find the chassis number by looking at the Data Card, which came with the vehicle's original manuals.