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Home >> Mercedes Benz >> 2015 >> C300 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 205 Chassis (4D Sedan) >> Testing & Repair >> Remove/install low temperature water circuit radiator - AR09.41-P-6935MMV

Remove/install low temperature water circuit radiator - AR09.41-P-6935MMV

Engine 274.9 in model 205 

Engine 276.8 in model 205 

Fig 1: Identifying Low Temperature Water Circuit Radiator Remove/Install Components
G10132662Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Secure vehicle on vehicle lift   AR00.60-P-0100CW
2 Drain off coolant   AR20.00-P-1142LW
3 Drain coolant from low-temperature circuit   AR09.41-P-6834LW 
4 Drain coolant for high-voltage battery cooling system Engine 274.9 in model 205.047/147/247  
AR20.00-P-1147LWH
5 Remove condenser (1)   AR83.30-P-6540LW
6 Remove front module carrier   AR62.30-P-1570LW
7 Unclip upper surrounding air duct insert (6) on radiator support (7) to the front and remove    
8 Remove charge air cooler circulation pump, place to one side and secure against falling down Engine 276.8 in model 205 AR09.41-P-6925MMV 
9 Detach left coolant line coupling (4) at low-temperature water circuit radiator (2)   AR20.20-P-7441-01RQ
10 Detach right coolant line coupling (5) at low-temperature water circuit radiator (2)   AR20.20-P-7441-01RQ
11 Unclip left low-temperature water circuit radiator (2) from radiator support (7) IMPORTANT Ensure that the left coolant connection is not damaged.  
12 Unclip low-temperature water circuit radiator (2) from radiator support (7) and remove upwards IMPORTANT Ensure that the right coolant connection is not damaged.  
INSPECT Check     
13 Check low-temperature water circuit radiator (2) for damage and replace if necessary    
14 Install in the reverse order    
15 Check engine cooling system for leaktightness   AR20.00-P-1010LW
16 Check low-temperature circuit cooling system for leaktightness   AR20.00-P-1010LW
IMPORTANT Attach tester cap to low-temperature circuit coolant expansion reservoir.
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
17 Perform an engine test run and check cooling system for proper operation