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Home >> Mercedes Benz >> 2019 >> CLS450 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Cooling System - 257 Chassis >> Maintenance >> Replace Low-Temperature Circuit Coolant - AP20.00-P-2083D

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

Engine 256.9 in model 213, 222, 238, 257, 290 

Shown on engine 256.9 in model 222.059 

G14547911Courtesy 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 overpressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A 
Notice Notes on coolant   AH20.00-P-2080-01KOA 
INSPECT Check     
1 Check coolant level in low-temperature circuit coolant expansion reservoir (2).   AP20.30-P-2052K 
  Draining     
2 Drain coolant in low-temperature circuit.    
REFER TO TESTING & REPAIR   Engine 256.9 in model 213, 238, 257, 290 AR09.41-P-6834MSA
REFER TO TESTING & REPAIR   Engine 256.9 in model 222 AR09.41-P-6834MRT
  Pour in     
3 Pour new coolant into low-temperature circuit.    
REFER TO TESTING & REPAIR   Engine 256.9 in model 213, 238, 257, 290 AR09.41-P-6834MSA
REFER TO TESTING & REPAIR   Engine 256.9 in model 222 AR09.41-P-6834MRT
REFER TO CAPACITIES & SPECIFICATIONS Coolant specifications   BB00.40-P-0310-01A