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Home >> Mercedes Benz >> 2020 >> A220 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 177 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

Engine 260 in model 118, 177, 247 

G15491341Courtesy of MERCEDES-BENZ USA

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

G15491342Courtesy 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