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HOMESERVICE MANUALSSMART2012FORTWO ELECTRIC DRIVE, 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSDOORS - 451 CHASSISTESTING & REPAIRREMOVE/INSTALL LIFTGATE LOCK - AR72.20-P-2550MCD
2012 Smart Fortwo Electric Drive, 2D Coupe

Remove/install liftgate lock - AR72.20-P-2550MCD

2012 Smart Fortwo Electric Drive, 2D CoupeSECTION Remove/install liftgate lock - AR72.20-P-2550MCD

MODEL 451.3 

Lower rear-end door 

Fig 1: Identifying Liftgate Lock Remove/Install Components - Lower Rear-End Door
G10978848Courtesy of MERCEDES-BENZ USA

As of 31.8.10 on left side of vehicle 

Fig 2: Identifying Liftgate Lock Remove/Install Components - As Of 31.8.10 On Left Side Of Vehicle
G10978849Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove bottom rear-end door paneling   AR72.20-P-1000MCC 
2 Remove cover (1) on left and right door lock (2)    
3 Unhook Bowden cable (7) from bracket (8) on left and right door lock (2) As of 31.8.10  
4 Unhook hook (11) on left and right Bowden cable (7) from clip (10) As of 31.8.10  
5 Disconnect left trunk lid microswitch connector (S15/4x1) or right trunk lid microswitch connector (S15/5x1) As of 31.8.10  
6 Unclip left and right electrical line (12) from stay (arrow A) on lower rear-end door (13) As of 31.8.10  
7 Open lower rear-end door (13) IMPORTANT As of 31.8.10
After unclipping left and right Bowden cable (7), actuate left and right release lever (9) to open lower rear-end door (13).		  
8 Open inner cover (6) on lower rear-end door (13)    
9 Unscrew bolt (4) on door check strap on left and right door lock (2) IMPORTANT When removing both door locks (2), secure lower rear-end door (13) against folding down.  
10   TORQUE SPECIFICATION *BA72.20-P-1002-02F 
11 Unscrew bolts (3) on left and right door lock (2) TORQUE SPECIFICATION *BA72.20-P-1004-02F 
12 Remove left and right door lock (2)    
13 Remove threaded plate (5) on left and right door lock (2) from stowage compartment    
14 Install in the reverse order    
REAR-END DOOR

Number Designation Model 451.3
BA72.20-P-1002-02F Bolt, check strap to lower rear-end door lock Nm 20
BA72.20-P-1004-02F Bolt, outer door lock to lower rear-end door Nm 11
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.