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Remove/Install Lower Engine Compartment Lining - Ar61.20-P-1105LW

Model 205 

Model 253 

MODIFICATION NOTES

       
23.05.2018 Notes for model 253.992/993 added. AS00.00-Z-0030-01B and AH00.00-P-0022-01RFW  
23.05.2018 Operation steps for model 253.992/993 added. Operation steps 1 and 2.  
23.05.2018 Old operation step 4 divided up into two operation steps. New operation steps 6 and 7.  

Shown on model 205 with engine 651 except code 481 (Underbody protection) 

Fig 1: Front, Center And Rear Engine Under Covers Component Locations (Model 253) (Shown On Model 205)
G14172812DANGERWARNINGREMOVINGINSTALLINGREFER TO FORMSTORQUE SPECIFICATIONCourtesy of MERCEDES-BENZ USA
DANGER Risk of explosion  caused by escaping hydrogen or overheating of the fuel tanks when working on the hydrogen system. Risk of frostbite  to body parts caused by escaping gas and by touching component parts carrying gas when emptying fuel tanks. Risk of asphyxiation  caused by inhalation of air diluted by hydrogen. Risk of burn injuries  by coming into contact with an invisible pale blue hydrogen flame. Model 253.992/993 AS00.00-Z-0030-01B
WARNING Risk of injury  from engine start by remote start function Prior to starting work, open engine hood, do not reach into rotation range or hazard area of freely rotating parts, wear closed and snug-fitting work clothes Model 205, 253 (except 253.992/993) AS00.00-Z-0024-01A .
Topical note Notes on fuel cell system Model 253.992/993 AH00.00-P-0022-01RFW
REMOVINGINSTALLING Remove/install     
1 Ensure that the prerequisites for driving into
the workshop are fulfilled.
Model 253.992/993  
Topical note Requirements for driving into the workshop   AH00.00-P-0021-01RFW
2 Print out the "Protokoll Tank system, Formular" (tank system event log form), fill it out, and attach to the vehicle in a place where it is easily visible. Model 253.992/993  
REFER TO FORMSOF      OF00.00-P-3000-21RFW
3 Open hood. Model 205
Model 253 (except 253.992/993)
Vehicles with remote start function.
 
4 Raise vehicle.   AR00.60-P-1002LWG .
5 Remove center engine compartment lining (2) TORQUE SPECIFICATION Model 205 with code 481 (Sump shield)
Model 253 with code 430 (Offroad package) Model 253 with code 481 (Sump shield) Screw/bolt, underride guard
*BA61.40-P-1001-01D .
6 Remove front engine compartment lining (1).    
7 Remove rear engine compartment lining (3). Model 205
Model 253 (except 253.992/993)
 
8 Install in the reverse order.    
UNDERRIDE GUARD TORQUE SPECIFICATIONS

Number Designation Model 205 with code 481 (Sump shield) Model 253 with code 430 (Offroad package) Model 253 with code 481 (Sump shield)
BA61.40-P-1001-01D Screw/bolt, underride guard Nm 17 17