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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System - 222 Chassis >> Testing & Repair >> Remove/Install Exhaust System >> Remove/Install Exhaust System - AR49.10-P-7142MNM

Remove/Install Exhaust System - AR49.10-P-7142MNM

Engine 177 in model 217, 222 

G15370372Courtesy of MERCEDES-BENZ USA

Shown on model 222 

WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it.
Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust.
Wear protective clothing and safety glasses.
Use the extraction system. Move people out of the danger zone.
AS49.00-Z-0001-01A 
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  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Release side underfloor paneling in rear area Engine 177 in model 217.3, 222
with code 398 (Panoramic roof with MAGIC SKY CONTROL)
with code 413 (Panoramic sliding sunroof/glass roof)
Engine 177 in model 217.4
AR61.30-P-1001LF
2 Remove rear reinforcement (5) Engine 177 in model 217.3, 222
with code 398 (Panoramic roof with MAGIC SKY CONTROL)
with code 413 (Panoramic sliding sunroof/glass roof)
Engine 177 in model 217.4
TORQUE SPECIFICATION Screw/bolt, rear reinforcement to frame floor assembly
*BA61.10-P-1004-01K 
3 Remove rear diagonal struts (6) Engine 177 in model 217.3, 222
with code 398 (Panoramic roof with MAGIC SKY CONTROL)
with code 413 (Panoramic sliding sunroof/glass roof)
Engine 177 in model 217.4
TORQUE SPECIFICATION Screw/bolt, rear diagonal strut to body
*BA61.10-P-1008-01K 
    TORQUE SPECIFICATION Screw/bolt, rear diagonal strut to bracket/spare wheel well *BA61.10-P-1009-01K 
4 Unclip electric lines of exhaust gas flap actuator motors from brackets    
5 Release and disconnect electrical connector o left exhaust gas flap actuator motor (M16/53)    
6 Release and disconnect electrical connector o right actuator motor exhaust flap (M16/54)    
7 Release and disconnect electrical connector o center exhaust gas flap actuator motor (M16/55)    
8 Remove clamps (4) INSTALLATION IMPORTANT Replace clamps (4).
TORQUE SPECIFICATION Clamp, front exhaust system to center exhaust system
*BA49.10-P-1005-02E 
9 Remove elastomer bearings (3) from exhaust system (1) INSTALLATION IMPORTANT Wet elastomer bearings (3) with lubricant.
Lubricant, rubber assembly 1 L
*BR00.45-Z-1010-06A 
10 Remove exhaust system (1) downwards IMPORTANT Aid of helper required.  
11 Remove combustion and corrosion residues at flange connections    
12 Check elastomer bearings (3) for damage In case of a complaint

Replace elastomer bearings (3).
 
13 Modify left exhaust flap actuator motor (M16/53) When replacing the exhaust system (1).  
14 Modify right exhaust flap actuator motor (M16/54) When replacing the exhaust system (1).  
15 Modify center exhaust gas flap actuator motor (M16/55) When replacing the exhaust system (1).  
16 Install in the reverse order    
17 Check installation position and unobstructed movement of exhaust system (1) In case of a complaint

Re-align exhaust system (1).
 
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
18 Perform engine test run to test exhaust system (1) function and check for leak tightness    
EXHAUST SYSTEM

Number Designation Engine 177 in model 217 Engine 177 in model 222
BA49.10-P-1005-02E Clamp, front exhaust system to center exhaust system Nm 35 35
FRAME FLOOR ASSEMBLY

Number Designation Model 217 Model 222.0/1/9
BA61.10-P-1004-01K Screw/bolt, rear reinforcement to frame floor assembly Nm 50 50
FRAME FLOOR ASSEMBLY

Number Designation Model 217 Model 222.0/1/9
BA61.10-P-1008-01K Screw/bolt, rear diagonal strut to body Nm 50 50
FRAME FLOOR ASSEMBLY

Number Designation Model 217 Model 222.0/1/9
BA61.10-P-1009-01K Screw/bolt, rear diagonal strut to bracket/spare wheel well Nm 50 50
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1010-06A Lubricant, rubber assembly 1 L A 000 989 03 67