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Removing and installing exhaust system complete - AR49.10-P-7000R (SL500, SL550)

ENGINES 112, 272, 273 in MODEL 230 

ENGINE 113.963 in MODEL 230.475 

Fig 1: Identifying Exhaust System Components - Illustrated On Model 230.475
G05075532Courtesy of MERCEDES-BENZ USA

Illustrated on model 230.475 

Fig 2: Identifying Rear Diagonal Strut
G05075533Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
DANGER Risk of death  caused by vehicle slipping or toppling off the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury from grazing 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
1 Raise vehicle with lifting platform IMPORTANT Position arms of lift platform in such a way that bolts (5/1) of the rear diagonal struts (5) are accessible.  
2 Remove rear section of lower engine compartment paneling   AR61.20-P-1105R
3 Disconnect connectors for O2 sensors and unclip electrical feed lines from clamping brackets Engines 112, 113 AR14.00-P-5303R
    Engines 272, 273 AR07.52-P-5303RX
4 Support exhaust system (1) with transmission jack and transmission plate COMMERCIALLY AVAILABLE TOOLS *WE58.40-Z-1030-11A 
    COMMERCIALLY AVAILABLE TOOLS *WE58.40-Z-1018-11A 
5 Unscrew bolts (11/1) IMPORTANTInstallation:  Install new bolts (11/1).  
    TORQUE SPECIFICATION Engines 112, 113 *BA14.10-P-1002-01B 
    TORQUE SPECIFICATION Engines 272, 273 *BA14.10-P-1002-01E 
6 Remove cross strut (35) together with front exhaust rubber mount (9/3) TORQUE SPECIFICATION *BA61.10-P-1007-01C 
7 Remove rear diagonal strut (5) TORQUE SPECIFICATION *BA62.30-P-1004-01A 
8 Detach center exhaust rubber mount (9/1) IMPORTANTInstallation:  Screw on retaining clip of speed pickup line.  
9 Push down rear exhaust rubber mounts (9/2) off retaining clips (8) IMPORTANT To simplify removal:
Apply liquid lubricant to retaining clip (8) and in the hole of the rear exhaust rubber mount (9/2).
 
    Lubricant *BR00.45-Z-1002-06A 
10 Take out complete exhaust system (1) NOTES Do not damage rear bumper.
IMPORTANT Tilt exhaust system 45° about the longitudinal axis.
 
INSPECT Checking     
11 Check rivet nuts in exhaust manifold for damage; replace if required.   AR49.10-P-5531-01DA 
12 Check exhaust rubber mounts (9/19/2, 9/3) for wear and damage, replace if required.    
13 Install in the reverse order    
14 Inspect installation position and unobstructed movement of all parts of the exhaust system IMPORTANT The exhaust system must be installed free of stress.  
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
 
15 Test run engine and check exhaust system for leaks    
CROSSMEMBER AND FRONT REINFORCEMENT

Number Designation Model 230
BA62.30-P-1004-01A Bolt for diagonal strut Nm 70
FRAME FLOOR ASSEMBLY

Number Designation Model 230
BA61.10-P-1007-01C Bolts connecting cross strut to frame floor Nm 20
EXHAUST MANIFOLD

Number Designation Engine 112 except 112.951/976 Engines 113.940/941/942/943/944/945/946/948/960/961/962/963/964/965/966/967/968/969/971/980/981/982/984/986/992/993/995
BA14.10-P-1002-01B Flange connection for exhaust manifold and front exhaust pipes Nm 20 20
EXHAUST MANIFOLD

Number Designation Engine 272 Engine 273
BA14.10-P-1002-01E Bolt, catalytic converter to exhaust manifold Nm 20 20
WORKSHOP EQUIPMENT

WE58.40-Z-1018-11A Transmission platform
WE58.40-Z-1030-11A Transmission jack
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1002-06A Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00 A 000 989 01 60