This model from Tamiya is a building kit where the handy person can put it together themselves from scratch. It comes in a 1:14 scale.
From Amazon
TAMIYA 56354 1: 14 RC MB Actros 3363 for, pearl blue
eModels
Tamiya 1/14 Mercedes-Benz Actros - 3363 6x4 GigaSpace - Pearl # 56354
Model Bau
Tamiya ACTROS 3363 (PEARL BLUE) 56354