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HOMESERVICE MANUALSSMART2012FORTWO ELECTRIC DRIVE, 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTACCESSORIES CONTROL SYSTEMSELECTRICAL SYSTEM, EQUIPMENT & INSTRUMENTS - 451 CHASSISTESTING & REPAIRREMOVE/INSTALL COMBINATION SWITCH - AR54.25-P-2800MCC
2012 Smart Fortwo Electric Drive, 2D Coupe

Remove/install combination switch - AR54.25-P-2800MCC

2012 Smart Fortwo Electric Drive, 2D CoupeSECTION Remove/install combination switch - AR54.25-P-2800MCC

MODEL 451.3/4 

Fig 1: Identifying Combination Switch Remove/Install Components
G10978649Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove steering column cover   AR68.30-P-2000MCC
2 Unclip catch hook (3) on combination switch (S4)    
3 Lift combination switch (S4) upwards from the guides (4) and remove to one side until the electrical connector (1) is accessible    
4 Detach electrical connector (1) on the combination switch (S4) and remove combination switch (S4)    
5 Release cap (2) by applying suitable knife to combination switch (S4) and remove When replacing the combination switch (S4).  
6 Install in the reverse order    
7 Conduct function test of combination switch (S4)    
RENDER: 1.0x

NO RELATED

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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.