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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Air Intake, Turbocharging -- 118 Chassis) >> Testing & Repair >> Remove/Install Heat Shield On Exhaust Gas Turbocharger - AR09.40-P-6045MFC

Remove/Install Heat Shield On Exhaust Gas Turbocharger - AR09.40-P-6045MFC

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Engine 260 in model 118, 177, 247 

G16048381Courtesy of MERCEDES-BENZ USA

Shown on model 177 with engine 260 except code M016 (Performance-enhanced engine) up to model year 2022 

G16048382Courtesy of MERCEDES-BENZ USA

Shown on model 177 with engine 260 except code M016 (Performance-enhanced engine) up to model year 2022 

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
REMOVINGINSTALLING Remove/install     
1 Remove oxygen sensor upstream of catalytic converter.   AR07.04-P-0086MFC
2 Remove the inerting system line in the engine compartment and place to one side. Engine 260 in model 118, 177, 247 with code 2U8 (Alternative refrigerant) AR86.10-P-0119MFC
3 Remove charge air pipe downstream of exhaust gas turbocharger. Engine 260 in model 118, 177, 247 with code M016 (Uprated engine) AR09.41-P-1333MFC 
4 Remove engine air intake duct downstream of air filter. Engine 260 in model 118, 177, 247 up to model year 2022 with code M016 (Uprated engine) AR09.10-P-8130MFC 
5 Remove screws (2) TORQUE SPECIFICATION Bolt, heat shield to cylinder head/holder/support *BA09.40-P-1008-02G 
6 Remove the front heat shield (1) from the retaining clips (3).    
7 Unscrew screw (6), and release upper heat shield (4) from retaining clamps (3) and remove. Engine 260 in model 118, 177, 247 up to model year 2022
INSTALLATION IMPORTANT : Ensure seal (5) is correctly seated in retaining clips (3).
 
    TORQUE SPECIFICATION Bolt, heat shield to cylinder head/holder/support *BA09.40-P-1008-02G 
8 Install in the reverse order.    
TURBOCHARGER

Number Designation Engine 260
BA09.40-P-1008-02G Bolt, heat shield to cylinder head/holder/support Nm 10