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Home >> Mercedes Benz >> 2019 >> CLS450 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Cooling System - 257 Chassis >> Testing & Repair >> Remove/Install Additional Radiator - AR20.20-P-3866MSA

Remove/Install Additional Radiator - AR20.20-P-3866MSA

Engine 256.9 in model 213, 238, 257 

with code M016 (Uprated engine) 

Engine 256.9 in model 290 

G14548335Courtesy 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 
Topical note Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Drain off coolant.   AR20.00-P-1142MSA 
2 Remove coolant hose (2) from additional cooler (3) and seal openings with suitable protective covers.   AR20.20-P-7441-01RQ 
    SPECIAL TOOL Set of protective covers Fig 1
3 Release locks (A) and remove additional cooler (3) with the supporting frame.    
4 Remove additional cooler (3) from the supporting frame. When installing new additional cooler (3).  
5 Install in the reverse order.    
Fig 1: Identifying Set Of Protective Covers (001 589 01 91 00)
G07742161Courtesy of MERCEDES-BENZ USA