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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Engine Cooling System - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Additional Engine Radiator >> Remove/Install Additional Engine Radiator - AR20.20-P-3867MNM

Remove/Install Additional Engine Radiator - AR20.20-P-3867MNM

Engine 177 In Model 217, 222 

Fig 1: Additional Engine Radiator Components Location - Engine 177 In 222
G15362589Courtesy 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 avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Notes on coolant   AH20.00-P-2080-01KOA 
  Notes on coolant level   AH20.00-P-1142-01CW 
REMOVINGINSTALLING Remove/install     
1 Drain off coolant   AR20.00-P-1142MNL 
2 Separate coolant line (2) at additional engine radiator (1), and seal openings with protective covers SPECIAL TOOL Set of protective covers Fig 2
3 Unclip retaining frame of additional engine radiator (1) at front and side at air duct segment    
4 Unclip the retaining frame of the additional engine radiator (1) at the brackets (3) and remove along with the additional engine radiator (1)    
5 Install in the reverse order.    
Fig 2: Identifying Set Of Protective Covers (001 589 06 91 00)
G14785718Courtesy of MERCEDES-BENZ USA