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Home >> Mercedes Benz >> 2019 >> S560 Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 217 Chassis >> Testing & Repair >> Remove/Install Fan Unit >> Remove/Install Fan Unit - AR20.40-P-5050MNL
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Remove/Install Fan Unit - AR20.40-P-5050MNL

Engine 176 in model 217, 222 

G15347551Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice Notes on coolant   AH20.00-P-2080-01KOA 
  Notes on coolant level   AH20.00-P-1142-01CW 
REMOVINGINSTALLING Remove/install     
1 Remove left-hand air filter housing INSTALLATION IMPORTANT Only install upper engine cover after the leak test. AR09.10-P-1151MNL
2 Remove right air filter housing   AR09.10-P-1152MNL
3 Remove right and left upper engine compartment lining    
4.1 Remove radiator grille Engine 176 in model 222 AR88.40-P-4001LF
4.2 Remove front bumper Engine 176 in model 217 AR88.20-P-2000LC
5 Remove front center reinforcement   AR62.30-P-1570LF
6 Unclip air ducting (3) and air ducting (2) and place to one side    
7 Drain off coolant INSTALLATION IMPORTANT Do not install center and front lower engine compartment lining until after leak test. AR20.00-P-1142MNL 
8 Remove coolant hose (7) from fan unit (1)    
9 Remove coolant hoses (5, 9) from cooler   AR20.20-P-7441-01RQ 
10 Detach bleed line (4) from cooler   AR20.20-P-7441-01RQ 
11 Release electrical connector of fan unit (1) and disconnect    
12 Unclip oil cooler (6) and place to one side with lines still connected NOTES Push retaining clip of oil cooler (6) carefully in an upward direction.
Otherwise, the retaining clip of the oil cooler (6) will be damaged.
If the retaining clip of the oil cooler (6) is damaged

Fasten oil cooler (6) using repair bolt and washer.
 
13 Remove fan unit (1) upward    
14 Install in the reverse order    
WARNING 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
15 Perform an engine test run and check engine for proper operation and leaktightness    
16 Install center and front lower engine compartment paneling   AR61.20-P-1105LF
17 Install upper engine cover