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Home >> Mercedes Benz >> 2021 >> GLA45 AMG >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging -- 247 Chassis >> Testing & Repair >> Remove/Install Air Intake Pipe Upstream Of Exhaust Gas Turbocharger - AR09.10-P-0003MFG

Remove/Install Air Intake Pipe Upstream Of Exhaust Gas Turbocharger - AR09.10-P-0003MFG

Engine 139 in model 118, 177, 247 

G16048337Courtesy of MERCEDES-BENZ USA
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
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 avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove on-board electrical system battery (G1). Engine 139 in model 118, 177, 247 except code B01 (48V technology) AR54.10-P-0005MFA
2 Remove air filter housing.   AR09.10-P-1150MFG 
3 Remove screws (2) and remove heat shield (3).    
4 Remove screw (20) and disconnect bleed line (8) from air intake pipe (1). INSTALLATION IMPORTANT : Replace sealing rings.
TORQUE SPECIFICATION M6x1
*BA00.10-P-1002-04A 
5 Unscrew screw (9). TORQUE SPECIFICATION M6x1 *BA00.10-P-1002-04A 
6 Release and disconnect electrical connector (10) from the temperature sensor upstream of the exhaust gas turbocharger (B19/11).    
7 Release and disconnect electrical connector (11) from the pressure sensor downstream of the air filter (B28/11).    
8 Release and disconnect electrical connector (12) from the overrun mode bypass air switchover valve (Y101).    
9 Remove retaining clamps (13) from the air intake pipe (1).    
10 Remove screw (14) of the purge line. TORQUE SPECIFICATION M6x1 *BA00.10-P-1002-04A 
11 Release and disconnect electrical connector (17).    
12 Open clamp (15) of the air intake pipe (1) on the exhaust gas turbocharger.    
13 Open clamp (16) and push upwards on hose (4). SPECIAL TOOL Hose clamp pliers Fig 1
14 Remove air intake pipe (1). NOTES Do not crush or kink or subject lines to tension.
This leads to damage to the lines and impairs their function.
 
15 Seal exposed openings with suitable protective covers. SPECIAL TOOL Set of protective covers Fig 2
16 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
17 Perform engine test run. While doing so, check engine for proper operation and leak tightness.    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6x1 Nm 9 13
Fig 1: Identifying Hose Clamp Pliers (454 589 00 37 00)
G12939525Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Set Of Protective Covers (001 589 13 91 00)
G14790006Courtesy of MERCEDES-BENZ USA