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Home >> Mercedes Benz >> 2016 >> G550 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 463 Chassis >> Maintenance >> Replace Main Circuit Coolant >> Replace Main Circuit Coolant - AP20.00-P-2082GA

Replace Main Circuit Coolant - AP20.00-P-2082GA

Engine 176 in model 463 

as of model year 2019 

Engine 177, 264, 656 in model 463 

Shown on engine 656 in model 463.349 

G13656860Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray.
Risk of poisoning from swallowing coolant.
Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A 
  Notes on coolant   AH20.00-N-2080-01A 
INSPECT Check     
1 Check coolant level in coolant expansion reservoir (2).   AP20.30-P-2050GG 
  Drain off     
2 Drain off coolant. Engine 176 in model 463
as of model year 2019
Engine 177, 264, 656 in model 463
 
REFER TO TESTING & REPAIR   Engine 176 in model 463
as of model year 2019
AR20.00-P-1142XGA 
REFER TO TESTING & REPAIR   Engine 177 in model 463
as of model year 2019
AR20.00-P-1142XGC 
REFER TO TESTING & REPAIR   Engine 264 in model 463 AR20.00-P-1142MRO
  Pour in     
3 Pour in new coolant. Engine 176 in model 463
as of model year 2019
Engine 177, 264, 656 in model 463
 
REFER TO TESTING & REPAIR   Engine 176 in model 463
as of model year 2019
AR20.00-P-1142XGA 
REFER TO TESTING & REPAIR   Engine 177 in model 463
as of model year 2019
AR20.00-P-1142XGC 
REFER TO TESTING & REPAIR   Engine 264 in model 463 AR20.00-P-1142MRO
REFER TO CAPACITIES & SPECIFICATIONS Coolant specifications   BB00.40-P-0310-01A