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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 222 Chassis (1 Of 2) >> Testing & Repair >> Drain/Fill Low-Temperature Circuit Coolant >> Drain/Fill Low-Temperature Circuit Coolant - AR09.41-P-6834MNM

Drain/Fill Low-Temperature Circuit Coolant - AR09.41-P-6834MNM

Engine 177 in model 217, 222 

MODIFICATION NOTES

30.11.2017 Screw/bolt, front diagonal strut to front axle carrier/body   BA61.10-P-1018-01K
G15362382Courtesy of MERCEDES-BENZ USA

Shown on model 222 

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
REMOVING Remove     
1 Remove upper engine cover    
2 Remove engine compartment paneling   AR61.20-P-1105LF
3 Release side underfloor paneling in front area   AR61.30-P-1001LF
4 Remove front diagonal struts (4)    
  Drain off     
5 Remove cap on low-temperature circuit coolant expansion reservoir    
6 To do this, remove coolant hose (1) from low-temperature circuit cooler and drain off escaping coolant into suitable container   AR20.20-P-7441-01RQ
7 Attach coolant hose (1) to low-temperature circuit cooler   AR20.20-P-7441-01RQ
8 Remove coolant hose (2) from oil cooler (3) and drain off coolant into suitable container   AR20.20-P-7441-01RQ
9 Attach coolant hose (2) to oil cooler (3)   AR20.20-P-7441-01RQ
  Pour in     
10 Pour in clean coolant and bleed low-temperature circuit engine cooling system   AR20.00-P-1142-04A
    FLUID SPECIFICATION Cooling system *BF20.00-P-1001-02LA 
    FLUID SPECIFICATION Coolant mixing ratio *BF20.00-P-1001-04A 
    SPECIAL TOOL Electric vacuum pump Fig 3
    SPECIAL TOOL NTKL Adaption Fig 1
    SPECIAL TOOL Cooler vacuum filling device Fig 4
    SPECIAL TOOL Test cap Fig 2
11 Perform venting routine of engine management control unit (MCM)    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
INSPECT Check     
12 Check low-temperature circuit for leaktightness   AR09.41-P-1011MNM 
INSTALLING Install     
13 Install front diagonal struts (4) TORQUE SPECIFICATION Screw/bolt, front diagonal strut to front axle carrier/body *BA61.10-P-1018-01K 
14 Install side underfloor paneling in front area   AR61.30-P-1001LF
15 Install lower engine compartment paneling   AR61.20-P-1105LF
16 Install upper engine cover    
FRAME FLOOR ASSEMBLY

Number Designation Model 217 Model 222.0/1/9
BA61.10-P-1018-01K Screw/bolt, front diagonal strut to front axle carrier/body M8 Nm 17 17
M10 Nm 50 50
COOLING SYSTEM

Number Designation Engine 177 in model 217 Engine 177 in model 222
BF20.00-P-1001-02LA Cooling system Workshop replacement amount Main circuit Liter ≈13, 6 ≈13, 5
Low Temp Circuit 1 Liter ≈6, 2 ≈6, 2
Low Temp Circuit 2 Liter - -
Antifreeze/water Down to -37°C % 50/50 50/50
-38°C and below % 55/45 55/45
Fluids Specifications BB00.40-P-0310-01A BB00.40-P-0310-01A
Fluids Specifications BB00.40-P-0325-06A BB00.40-P-0325-06A
Fluids Specifications BB00.40-P-0326-06A BB00.40-P-0326-06A
COOLANT MIXING RATIO

Number Designation All engines, except engine 178 in model 190.381
BF20.00-P-1001-04A Coolant mixing ratio Antifreeze/water Up to -25°C % -
Up to -37°C % 50/50
As of -38°C % 55/45
Overview and specifications sheet BB00.40-P-0310-01A
References to sheet specification BB00.40-P-0310ZZ
Fig 1: Identifying NTKL Adaption (285 589 01 21 00)
G13656745Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Test Cap (210 589 00 91 00)
G12618396Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Electric Vacuum Pump (285 589 02 21 00)
G12618417Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Cooler Vacuum Filling Device (285 589 00 21 00)
G12618419Courtesy of MERCEDES-BENZ USA