2001 Mercedes ML-Class Owner's Manual - Page 194

Electrical connections The vehicle is prewired to accept the seven-wire harness included in the Mercedes-Benz approved trailer hitch receiver kit. An additional four-pole conversion plug is included in the Mercedes-Benz supplied trailer hitch receiver kit. For further information, please see your authorized Mercedes-Benz Light Truck Center. In order to prevent possible damage to the vehicle's electrical system by incorrectly installing the trailer wiring plug, we recommend having the harness connected at an authorized Mercedes-Benz Light Truck Center. Vehicle and trailer weights and ratings Gross Vehicle Weight Rating (GVWR) is the maximum permissible vehicle weight: 6005 lbs. (2724 kg) Gross Vehicle Weight (GVW): comprises weight of vehicle including fuel, tools, spare wheel, installed accessories, passengers, cargo and trailer tongue. It must never exceed the GVWR. Gross Axle Weight Rating (GAWR) is the maximum permissible axle weight: front rear 2755 lbs. (1250 kg) 3527 lbs. (1600 kg) Gross Trailer Weight (GTW) is the maximum permissible trailer weight to be towed: 5000 lbs. (2260 kg) Trailer Tongue Weight Rating (TWR) is the maximum permissible weight of the trailer tongue: [500 lbs. (225 kg) limit for MB approved hitch receiver] Driving instructions Instruments and controls Operation Driving 191 Instrument cluster display Practical hints Car care Technical data Index