
The information plates of the Mercedes S-Class (W221) are located in the following locations: The head plate is located on the right sidewall of the car outside the front passenger's door. It includes the following vehicle manufacturer's data: VIN-number, total standard mass, full mass with trailer, standard load on front and rear axles, and varnish coatings code.
- The head plate is located on the right sidewall of the car outside the front passenger's door. It includes the following vehicle manufacturer's data: VIN-number, total standard mass, full mass with trailer, standard load on front and rear axles, and varnish coatings code.

- The vehicle identification number is duplicated in the passenger compartment behind the rear seat.

- The engine number is out on the motor.