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Home >> Mercedes Benz >> 2018 >> G550 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 463 Chassis >> Maintenance >> Replace Low-Temperature Circuit Coolant - AP20.00-P-2083C

Replace Low-Temperature Circuit Coolant - AP20.00-P-2083C

Engine 176 in model 167, 217, 222 

Engine 176, 177 in model 463 

Engine 177 in model 167, 205, 213, 217, 222, 253, 290 

Fig 1: Low-Temperature Circuit Coolant Expansion Reservoir Components Location - Engine 176, 177 In Model 463
G13656861Courtesy of MERCEDES-BENZ USA

Shown on engine 176.9 in model 222.1 

G13656862Courtesy of MERCEDES-BENZ USA
G13656863Courtesy of MERCEDES-BENZ USA

Shown on engine 177.9 in model 213.0 

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 low-temperature circuit coolant expansion reservoir (2).   AP20.30-P-2052F 
  Draining     
2 Drain coolant in low-temperature circuit.    
REFER TO TESTING & REPAIR   Engine 176 in model 167 AR09.41-P-6834MNO
REFER TO TESTING & REPAIR   Engine 176 in model 217, 222 AR09.41-P-6834MNL
REFER TO TESTING & REPAIR   Engine 176 in model 463
up to model year 2019
AR09.41-P-6834MNF
REFER TO TESTING & REPAIR   Engine 176 in model 463
as of model year 2019
AR09.41-P-6834XGA
REFER TO TESTING & REPAIR   Engine 177 in model 167 AR09.41-P-6834MNP
REFER TO TESTING & REPAIR   Engine 177 in model 205 AR09.41-P-6834MNA
REFER TO TESTING & REPAIR   Engine 177 in model 213 AR09.41-P-6834MNE
REFER TO TESTING & REPAIR   Engine 177 in model 217, 222 AR09.41-P-6834MNM
REFER TO TESTING & REPAIR   Engine 177 in model 253 AR09.41-P-6834MNG
REFER TO TESTING & REPAIR   Engine 177 in model 290 AR09.41-P-6834MNI
REFER TO TESTING & REPAIR   Engine 177 in model 463
as of model year 2019
AR09.41-P-6834XGC
  Pour in     
3 Pour new coolant into low-temperature circuit.    
REFER TO TESTING & REPAIR   Engine 176 in model 167 AR09.41-P-6834MNO
REFER TO TESTING & REPAIR   Engine 176 in model 217, 222 AR09.41-P-6834MNL
REFER TO TESTING & REPAIR   Engine 176 in model 463
up to model year 2019
AR09.41-P-6834MNF
REFER TO TESTING & REPAIR   Engine 176 in model 463
as of model year 2019
AR09.41-P-6834XGA
REFER TO TESTING & REPAIR   Engine 177 in model 167 AR09.41-P-6834MNP
REFER TO TESTING & REPAIR   Engine 177 in model 205 AR09.41-P-6834MNA
REFER TO TESTING & REPAIR   Engine 177 in model 213 AR09.41-P-6834MNE
REFER TO TESTING & REPAIR   Engine 177 in model 217, 222 AR09.41-P-6834MNM
REFER TO TESTING & REPAIR   Engine 177 in model 253 AR09.41-P-6834MNG
REFER TO TESTING & REPAIR   Engine 177 in model 290 AR09.41-P-6834MNI
REFER TO TESTING & REPAIR   Engine 177 in model 463
as of model year 2019
AR09.41-P-6834XGC
REFER TO CAPACITIES & SPECIFICATIONS Coolant specifications   BB00.40-P-0310-01A