SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSMART2012FORTWO ELECTRIC DRIVE, 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALELECTRICAL SYSTEM - BODY - 451 CHASSISTESTING & REPAIRREMOVE/INSTALL RAIN/LIGHT SENSOR - AR82.30-P-7800MCC
2012 Smart Fortwo Electric Drive, 2D Coupe

Remove/install rain/light sensor - AR82.30-P-7800MCC

2012 Smart Fortwo Electric Drive, 2D CoupeSECTION Remove/install rain/light sensor - AR82.30-P-7800MCC

MODEL 451.3/4 with CODE (V54) Rain/light sensor 

Fig 1: Identifying Rain/Light Sensor Remove/Install Components
G10978968Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Remove inside rearview mirror * for USA only AR68.40-P-0001MCU
    except USA AR68.40-P-0001MCC
2 Unclip cover (1) from the retaining collar (3) and detach cable routing (2) out of the cover (1) NOTES Carefully unclip cover (1) to prevent the retaining clips from breaking.  
3 Disconnect electrical connector (4)    
4 Unclip retaining clip (5) for rain sensor/light sensor (B38) at retaining collar (3) (arrows)    
5 Remove rain sensor/light sensor (B38) from the retaining collar (3) IMPORTANT The rain sensor/light sensor (B38) must always be replaced after removing from the windshield.  
INSTALLING Install     
6.1 Remove protective cap from retaining collar (3) When replacing the windshield.
IMPORTANT With the new windshield, the contact surface of the rain sensor/light sensor (B38) is protected from soiling by means of a protective cap. The protective cap is clipped into the retaining collar (3).		  
6.2 Clean contact surface of rain sensor/light sensor (B38) on windshield Only if the windshield was not protected from dirt by a protective cap.
IMPORTANT The contact surface must be clean and free of grease.		  
7 Carefully pull off protective foil from new rain sensor/light sensor (B38) NOTES If the silicone pad on the optics of the rain sensor/light sensor (B38) is damaged or dirty, this must be replaced.  
8 Insert rain sensor/light sensor (B38) into the retaining collar (3) NOTES The contact surfaces of the rain sensor/light sensor (B38) must not be damaged or dirty, as this will result in the rain sensor/light sensor (B38) being unusable.  
9 Clip in retaining clip (5) for rain sensor/light sensor (B38) at retaining collar (3) (arrows)    
10 Insert cable routing (2) into cover (1)    
11 Connect electrical connector (4)    
12 Clip cover (1) into retaining collar (3) NOTES Carefully clip in cover (1) to prevent the retaining clips from breaking.  
13 Install inside rearview mirror * for USA only AR68.40-P-0001MCU
    except USA AR68.40-P-0001MCC
14 Carry out function check    
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.