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Home >> Mercedes Benz >> 2016 >> C350e >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 205 Chassis >> Testing & Repair >> Remove/Install Coolant Feed Line For Right Turbocharger - AR09.41-P-0012MMV

Remove/Install Coolant Feed Line For Right Turbocharger - AR09.41-P-0012MMV

Engine 276.8 in model 205 

Engine 276.8 in model 253 

Shown on engine 276.8 in model 253 without code 2U8 (refrigerant alternative) 

G12935142Courtesy of MERCEDES-BENZ USA
G12935143Courtesy of MERCEDES-BENZ USA

Shown on engine 276.8 in model 253 

  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
  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
  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
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Drain coolant from low-temperature circuit   AR09.41-P-6834LW 
2 Remove right air filter housing   AR09.10-P-1150MMV 
3 Remove right catalytic converter   AR49.10-P-5503MMV
4 Detach line for inerting system from heat shield (3, 4) and place to one side Engine 276.8 in model 205, 253
with code 2U8 (Alternative refrigerant)
TORQUE SPECIFICATION M6 X 1
*BA00.10-P-1002-04A 
5 Remove screw/bolts of the heat shield (2, 3, 4) TORQUE SPECIFICATION Bolt, turbocharger shield bracket to cylinder head *BA09.40-P-1012-01W 
    TORQUE SPECIFICATION Bolt/nut for shield attachment *BA09.40-P-1011-01W 
6 Remove heat shield (2, 3, 4) upwards Engine 276.8 in model 205
up to model year 2016
Engine 276.8 in model 253
 
7 Lift out heat shield (2, 4) upwards Engine 276.8 in model 205
as of model year 2016
IMPORTANT The heat shield (3) remains loosely screwed into the vehicle.
 
8 Remove heat shield (5) on right crankcase TORQUE SPECIFICATION Screw/bolt, heat shield of knock sensor to crankcase/engine support/bracket *BA15.10-P-1002-02B 
9 Remove screw/bolts (6, 7, 8) TORQUE SPECIFICATION Bolt, coolant feed/return line to turbocharger *BA09.40-P-1008-01W 
    TORQUE SPECIFICATION Bolt, coolant feed line to crankcase *BA09.40-P-1009-01W 
    TORQUE SPECIFICATION Bolt for coolant line attachment *BA09.40-P-1010-01W 
10 Remove coolant line feed line (1) and close off openings using suitable stop plugs IMPORTANTInstallation:  Replace sealing ring.
SPECIAL TOOL Record plug
Fig 1
11 Install in the reverse order    
  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
12 Carry out engine test run, checking the engine for leaktightness and proper operation    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6 X 1 Nm 9 13
TURBOCHARGER

Number Designation Engine 276.8
BA09.40-P-1008-01W Bolt, coolant feed/return line to turbocharger Nm 9
TURBOCHARGER

Number Designation Engine 276.8
BA09.40-P-1009-01W Bolt, coolant feed line to crankcase Nm 9
TURBOCHARGER

Number Designation Engine 276.8
BA09.40-P-1010-01W Bolt for coolant line attachment M6 Nm 9
TURBOCHARGER

Number Designation Engine 276.8
BA09.40-P-1011-01W Bolt/nut for shield attachment M6 Nm 9
TURBOCHARGER

Number Designation Engine 276.8
BA09.40-P-1012-01W Bolt, turbocharger shield bracket to cylinder head M7 Nm 14
TURBOCHARGER

Number Designation Engine 276
BA15.10-P-1002-02B Screw/bolt, heat shield of knock sensor to crankcase/engine support/bracket Nm 9
Fig 1: Identifying Record Plug (129 589 00 91 00)
G12935144Courtesy of MERCEDES-BENZ USA