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Home >> Mercedes Benz >> 2016 >> Metris Van Cargo >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments -- 447 Chassis >> Testing & Repair >> Remove/Install Panoramic Sliding Sunroof Control Unit - AR77.21-S-1281E

Remove/Install Panoramic Sliding Sunroof Control Unit - AR77.21-S-1281E

Model 447.7/8, 448.8 

Fig 1: Panoramic Sliding Sunroof Control Unit Components Location - Model 447.7
G16507308REMOVINGINSTALLINGINSTALLATION IMPORTANTREFER TO SELF-DIAGNOSTIC SYSTEMSINSPECTCourtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on carrying out repair work in the vehicle interior   AH68.00-D-0001-01KOS
REMOVINGINSTALLING Remove/install     
1 Remove rear headliner Model 447.7
with code V23 (Interior trim, premium version)
except code ZH6 (Marco Polo ACTIVITY)
Model 447.8
except code ZK7 (Equipment line MARCO POLO)
Model 448.8
AR68.30-S-7608E
2 Disconnect electrical connector (1)    
3 Push control unit of panoramic sliding sunroof (PSD) (N98) in direction of arrow, and remove INSTALLATION IMPORTANT : Ensure that guide pins (3) are correctly seated in mounts (4) Guide pins 3) must enagage fully in mounts (4).  
4 Install in the reverse order    
5 Synchronize panoramic roof (2) with diagnostic system and perform teach-in run for automatic reversing function    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-S-2000-04E
INSPECT Check     
6 Perform function test of panoramic sliding sunroof and roller sun blind