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Home >> Mercedes Benz >> 2017 >> B250e >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 242 Chassis >> Testing & Repair >> Remove/install low-temperature circuit additional radiator - AR09.41-P-3001NKE

Remove/install low-temperature circuit additional radiator - AR09.41-P-3001NKE

ENGINE 780 in MODEL 242 

Fig 1: Identifying Low-Temperature Circuit Additional Radiator Remove/Install Components
G10442938Courtesy of MERCEDES-BENZ USA
DANGER Risk of injury  to skin and eyes suffering scalding from contact with hot coolant spray. 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
REMOVINGINSTALLING Remove/install     
1 Drain coolant from low-temperature circuit   AR09.41-P-6834NKE 
IMPORTANT Notes on coolant   AH20.00-N-2080-01A
2 Remove front bumper   AR88.20-P-2000NKB
3 Detach coolant lines (1, 2, 3) IMPORTANT To do this unfasten clamps (4, 5, 6).
IMPORTANT Collect flowing out coolant in a suitable container.
 
4 Unclip low-temperature circuit additional engine radiator (7) (arrows) and remove    
5 Install in the reverse order    
6 Pour in coolant and bleed low-temperature circuit cooling system   AR20.00-P-1142-04AK
SPECIAL TOOL Test cap Fig 2
SPECIAL TOOL Test cap Fig 4
SPECIAL TOOL Cooler vacuum filling device Fig 3
INSPECT Check     
7 Check low-temperature circuit cooling system for leaktightness   AR20.00-P-1010NKE
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
8 Perform an engine test run while checking cooling system low-temperature circuit for proper operation    
Fig 2: Identifying Test Cap (169 589 00 91 00)
G10442939Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Cooler Vacuum Filling Device (285 589 00 21 00)
G10442940Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Test Cap (210 589 00 91 00)
G10442941Courtesy of MERCEDES-BENZ USA