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Home >> Mercedes Benz >> 2021 >> GLB250 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Mixture Formation - 247 Chassis >> Testing & Repair >> Remove/Install Throttle Valve Actuator - AR07.61-P-1401MFC

Remove/Install Throttle Valve Actuator - AR07.61-P-1401MFC

Engine 260 in model 118, 177, 247 

MODIFICATION NOTES

30.10.2019 Document completely revised.    
Fig 1: Throttle Valve Actuator Components Location - Engine 260 In Model 247 (Shown On Model 177 Without Code M016)
G14688396Courtesy of MERCEDES-BENZ USA

Shown on model 177 with engine without code M016 (Performance-enhanced engine) 

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
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove upper engine cover.    
REFER TO MAINTENANCE     AP01.10-P-2405-01C
    INSTALLATION IMPORTANT Only install upper engine cover after the leak test.  
2.1 Remove top part of the charge air pipe from the charge air cooler to the charge-air distributor. Engine 260 in model 118, 177, 247 except code M016 (Uprated engine)  
      AR09.41-P-1331MFC
    NOTES
Do not subject purge line (8) to tensile loads, crush or kink it.
Purge line (8) will otherwise be damaged.
INSTALLATION IMPORTANT Replace sealing ring between charge air pipe and throttle valve actuator (M16/6).
 
2.2 Remove charge air cooler. Engine 260 in model 118, 177, 247 with code M016 (Uprated engine)  
      AR09.41-P-0105MFC
3 Release, disconnect electrical connector (7) at throttle valve actuator (M16/6) and unclip at throttle valve actuator (M16/6).    
4 Remove bolts (17) and remove throttle valve actuator (M16/6). INSTALLATION IMPORTANT Replace seal.  
    TORQUE SPECIFICATION Bolt, throttle valve actuator to charge air distributor *BA30.20-P-1002-01C 
5 Seal openings with clean, lint-free rags.    
6 Install in the reverse order.    
INSPECT Check     
7 Read out and delete fault memory.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
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
8 Perform engine test run. While doing so, check engine for proper operation and leak tightness    
9 Install upper engine cover.    
REFER TO MAINTENANCE     AP01.10-P-2405-01C
ELECTRONIC ACCELERATOR ACTUATOR

Number Designation Engine 260
BA30.20-P-1002-01C Bolt, throttle valve actuator to charge air distributor Nm 6