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Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Lubrication, Oil Cooling -- S-Class (221) >> Testing & Repair >> Remove/install engine oil cooler - AR18.30-P-1000SZ

Remove/install engine oil cooler - AR18.30-P-1000SZ

ENGINES 275.953 in MODEL 216.376, 221.176 

Fig 1: Identifying Engine Oil Cooler Components
G07630368Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Engine Oil Cooler, Air Ducting And Air Duct Bracket
G07630369Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove lower engine compartment paneling Vehicles without code (Z07) Top protection AR61.20-P-1105SX
Vehicles with code (Z07) Top protection AR61.20-P-1105SXS
2 Remove front section of fender liner in right front fender    
3 Unplug connector (3)    
4 Detach hose (7)    
5 Detach engine oil line (1) from engine oil cooler (9) IMPORTANT Collect engine oil in reservoir.  
TORQUE SPECIFICATION *BA18.30-P-1003-01B
6 Detach safety clamp (2) from engine oil cooler (9)    
7 Remove bolts (4, 5) and remove engine oil cooler (9) with air ducting (10) from bracket (11) TORQUE SPECIFICATION *BA18.30-P-1008-01B
TORQUE SPECIFICATION *BA18.30-P-1015-01B
8 Unclip air ducting (10) from bracket (11) When replacing the engine oil cooler (9)  
INSPECT Checking     
9 Check rubber mount at bracket (11) and front end Check rubber mount for wear and correct fitting, replace if necessary.  
Lubricant paste *BR00.45-Z-1002-06A
10 Install in the reverse order    
11 Check engine oil level about 5 minutes after switching off the warm engine, if necessary adjust to correct level    
REFER TO MAINTENANCE Engine oil and filter change   AP18.00-P-0101SZ 
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
12 Check for leaks with engine running    
OIL COOLING SYSTEM

Number Designation Engine 275.950/951/953/954, 285
BA18.30-P-1003-01B Union nut of oil line to oil cooler Nm 30
BA18.30-P-1008-01B Bolt connecting retaining bracket of engine cooler to front end assembly Nm 8
BA18.30-P-1015-01B Bolt connecting retaining bracket of engine radiator to radiator support Nm 8
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1002-06A Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00 A 000 989 01 60