LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2021 >> C300 Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 205 Chassis >> Testing & Repair >> Remove/Install Low-Temperature Circuit Expansion Reservoir - AR09.41-P-0001MRI

Remove/Install Low-Temperature Circuit Expansion Reservoir - AR09.41-P-0001MRI

Engine 264 in model 205, 253 with code B01 (48V technology) 

Fig 1: Low-Temperature Circuit Coolant Expansion Reservoir Components Location - Engine 264 In Model 205 With Code B01
G14184997Courtesy 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
  Notes on coolant   AH20.00-N-2080-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on coolant level   AH20.00-P-1142-01CW
REMOVINGINSTALLING Remove/install     
1 Release electrical connector (1) and disconnect.    
2 Remove cap (2).    
3 Extract coolant from expansion reservoir (3). SPECIAL TOOL Hand pump Fig 2
4 Remove bleed line (4) from expansion reservoir (3).   AR20.20-P-7441-01RQ
5 Remove screw (5). TORQUE SPECIFICATION Screw, low-temperature circuit expansion reservoir to crossmember *BA20.20-P-1002-02B 
6 Unclip expansion reservoir (3) from crossmember (6) and lift.    
7 Remove coolant hose (7) from expansion reservoir (3) and seal with protective cover.   AR20.20-P-7441-01RQ
    SPECIAL TOOL Set of protective caps Fig 3
8 Remove expansion reservoir (3).    
9 Install in the reverse order    
  Concluding tasks     
10 Refill coolant and check low-temperature circuit for leaks.   AR09.41-P-1011MRI 
ENGINE RADIATOR, COOLANT HOSES AND LINES

Number Designation Engine 264
BA20.20-P-1002-02B Screw, low-temperature circuit expansion reservoir to crossmember Nm 8
Fig 2: Identifying Hand Pump (210 589 00 71 00)
G11975242Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Set Of Protective Caps (001 589 00 91 00)
G12079434Courtesy of MERCEDES-BENZ USA