Troubleshooting Tree for Panoramic Roof
Contents
1. 0 cee ec ceceno 16 1 2 2 1 Seal on wind deflector lamella not cleanly clamped WZ Cl ocak oases oases ee ee eae oe ee Oe oh ode ee ok E 16 1 3 Noises with roof panel in tilt position ccc ccc ccc ccce 17 jes ao tie TOMO TO E s a oe wack Sack Gee a Oe Seg aS WD are See a Gg ee Gee we eo ee 17 1 3 1 1 Arms of wind deflector mechanism bent CL203 amp W211 7 1 4 Noises with roof panel open cc ccc ccc ccc cc ccccccccccccce 17 2 NOISES WITH VEHICLE STATIONARY ccccccccccccccee 18 2 4 When MOVING the POOL so 8646666646 6 SOOO Sw ES ee eS ee LB Zeka Scratching and squeaking noises when roof is moving CL203 amp W211 see also AF7 7 20 P 1005AG 18 Pe ae Squeaking noises from area of bellows and bellows rail when roof panel is moving CL203 amp W211 see also AF77 20 P 1004AG 19 2 2 When closing the doors head pressure ccccccccccccceee 20 Dy 6 Roller blind makes noises CL203 amp W211 20 2 3 When moving the roller blind Ss Jaimie vee oe ves eee Goes we ee ew eee ee E A A l Thread of screw for front roller blind clutch W211 only 20 Status 01 11 2005 Page 4 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 3 MALFUNCTIONS 6 6 6 0 6s s45s20e CaS HOSES CESSES OR Se SC eeic A 3 1 Roller blind does not open close CL203 amp W211 2 22. 21 Fedal Lines or connectors detached damaged sss sec se s ec cee eee eee Al Sie E Overhead control panel defective or has lost normalization Z ANa i E EN E 2 oe E E E Oe E E Oe She ee E 21 3 2 Roof panel does not open close CL203 amp W211 21 ae ek Lines or connectors detached damaged 2 0 cee eee eee AL See ee Overhead control panel defective or has lost normalization Se Cet cee ae ae ee ee Ss cs Se a 21 4 OGEARAGE lt a 66 lt a sh oe ek ee oe ee eS ee eee ee RE 22 4 1 Water ingress at glass panel ccc ccc cc cccccccccccccccse 22 4 2 Water ingress in area of sun visor OCP ccccccccccccccccee 22 Le een Leakage ole to bodyshell W211 Only siseses 6 oS 465 6 a trean eee a oe 4 2 2 Leakage due to windshield trim strip clips CL203 amp W211 23 Status 01 11 2005 Page 5 23 This printout will not be recorded by the update service Status 11 2006 1 Noises while driving 1 1 Noises regardless of position of roof roller blind 1 1 1 On rough roads a Pes a Bee E Roof panel fastening loose CL203 amp W211 Cause Bolts fastening roof panel loose Action Tighten all bolts on roof panel Damage code 78130 GC Remark The roof panel is fastened with 6 bolts on each side The rear mounting bolts on the inside can be reached more easily if you move the roof to the tilt position The best way to reach the front mounting bolts on the inside 1s to open the roof appr
3. 4 60 66 5 6 4 5666S ee beh eeesees ence 0 1 1 Noises regardless of position of roof roller blind 6 1 1 1 Of PoU TO daea a ees E ee eee ee ee E eee we 6 1 1 1 1 Roof panel fastening loose CL203 amp W211 6 1 1 1 2 Cable of electric drive knocking on overhead control panel CCl OM a aes 5 ees te ee BO OS Sa Oe ee Be ee re Se OS eee ee 7 1 1 1 3 Rear stationary glass section covering touching the glass Od Oe ws se ee ea ea we ae ee eS os ee eS eee E 8 1 1 1 4 Mounting bolt between guide rail and frame makes cracking noise in area of roller blind CL203 9 1 1 1 5 Noises between trim strip and water deflector W211 only 10 1 2 Noises with roof panel closed and roller blind rolled up 11 1 2 1 On rough oad Gae esd wwe SG we ee Sw na Ee a oe a we 11 1 2 1 1 Noise between wind deflector seal and wind deflector lamella CL203 amp W211 see also AF7 7 20 P 1003AG 11 1 2 1 2 Noise between roller blind clutch and guide rail WZ A OME TE T E E oe oe Sa ee he ee E ee E E 12 1 2 1 3 Noise between seal under wind deflector lamella and wind deflector lamella W211 only 13 1 2 1 4 Noise between seal above roller blind and glass panel CW ORE EEEE E ee eee EE eee E ee eee eee eee ee 17 1 2 1 5 Noise between cam of stationary glass section and glass panel CL203 amp W211 see also AF77 20 P 1005AG 15 L22 Wind noises at high speed freeway
4. Troubleshooting Tree for Panoramic Roof Troubleshooting Tree for Panoramic Roof For panoramic roofs CL203 and W211 with and without solar roof Noise analyses and the most important repair jobs including the associated damage codes and chassis numbers VIN Supplementary documents The CD Service work on panoramic roof in Mercedes Benz CL203 Status 01 11 2005 Page 1 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof Please use this page for any suggestions and amendments you may have for the panoramic roof troubleshooting tree Return by fax to 49 7031 90 79499 Status 01 11 2005 Page 2 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof Important assemblies and parts illustrated on the panoramic del CL203 Wind deflector lamella Glass panel in mo roof 7 Stationary glass section Stationary glass section Outer guide rail Trim strip clips Outer support 1 2 3 4 5 6 7 covering Inner guide rail Roof mechanism Guide tube Electric 8 9 10 drives 11 T2 1 Wind deflector mechanism Front rear roller blinds Page 3 23 Status 01 11 2005 11 2006 ce Status FVI ll not be recorded by the update se is printout wi Th Troubleshooting Tree for Panoramic Roof Contents 1 NOISES WHILE DRIVING 4 4 6
5. best removed using a plastic wedge First pull the front edge downwards This releases the Dualock fasteners in the corners and the front clip at y 0 Then pull the covering forwards in order to release the three remaining clips Status 01 11 2005 Page 8 23 This printout will not be recorded by the update service Status 11 2006 1 1 1 4 Mounting bolt between guide rail and frame makes cracking noise in area of roller blind CL203 Cause Over time the threaded connection fastening the guide rail to the frame can settle and then make noises on rough roads or when the vehicle is subjected to torsion Action Retighten bolt or replace bolt with an M5 thin panel bolt A 008 990 46 04 and tighten to a torque of 3 Nm Damage code 78166 GC Remark The M5 thin panel bold can be used at any point on the CL203 where an M4 bolt was installed at the factory This increases the strength of the threaded connection by approx 80 amp Status 01 11 2005 Page 9 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 1 1 1 5 Noises between trim strip and water deflector W211 only Cause Side trim strip red arrow touches water deflector green arrow The point can be located by lifting the small sealing lip on the water deflector Action Remove water deflector and side trim strip slacken mounting nut on trim strip clip and position the clips slightl
6. e front roller blind clutch has an adjustment screw for positioning the front roller blind in the x direction The end of the thread on this screw touches the end of the front roller blind cable Noises may occur between these two parts when the roller blind is operated When the noise occurs the roller blind twitches once as it unrolils Action After unclipping the front roller blind from the roller blind clutch the roller blind clutches can be pulled out of the rail towards the center of the car Unscrew the bolts for the clutch as far as possible or better still remove them entirely Reinsert clutches into the rail and clip the roller blind back in Damage code 78120 GA Remark This fault should only be expected in vehicles produced prior to 15 03 2002 and production no 800250 Status 01 11 2005 Page 20 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 3 Malfunctions 3 1 Roller blind does not open close CL203 amp W211 3 1 1 Lines or connectors detached damaged Cause Motor overhead control panel connector has become detached while driving Action Remove overhead control panel and check line and connectors Damage code 59230 74 3 1 2 Overhead control panel defective or has lost normalization settings Cause If an undervoltage occurs the OCP may lose its normalization settings Action Renormalize overhead control panel see operator
7. not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 2 1 2 Squeaking noises from area of bellows and bellows rail when roof panel is moving CL203 amp W211 see also AF77 20 P 1004AG Cause Depending on the amount of dirt annoying squeaking noises may occur from the area between the bellows and the bellows rail Action Remove bellows bearing With the roof open pull bellows out forwards and grease running surfaces 2 of bellows Damage code 78111 GA Remark It is usually sufficient to grease the bellows rail a little and then operate the roof a few times This makes it unnecessary to remove the bellows Status 01 11 2005 Page 19 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 2 2 When closing the doors head pressure 2 2 1 Roller blind makes noises CL203 amp W211 Cause On early vehicles there may be whirring rattling noises from inside the roller blind This mostly occurs when the roller blind is in the rolled up position The noises come from the area above the interior protection sensor Action Replace roller blind Damage code 78182 GA Remark Before replacing the roller blind make absolutely sure that the noise is not being caused by the interior protection sensor 2 3 When moving the roller blind 26304 Thread of screw for front roller blind clutch W211 only Cause Th
8. ox 50 mm Then it is not necessary to remove the inner lining bellows After removing the outer support covering on the side of the roof panel the two bolts for the outer support are easily accessible se J r mP i j Ex FEF BEES reniy IHE mari TER ages apeueatat Status 01 11 2005 Page 6 23 This printout will not be recorded by the update service Status 11 2006 Telsiz Cable of electric drive knocking on overhead control panel CL203 only Cause In vehicles produced prior to 08 2003 noises may be produced between the electric drive cable and the overhead control panel Action Remove overhead control panel and wrap cable of electric drives with fabric tape Damage code 59228 22 or 59230 22 Remark Felt tape can be used as an alternative Status 01 11 2005 Page 7 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 1 1 1 3 Rear stationary glass section covering touching the glass W211 only Cause In solar vehicles especially a noise may be heard from the rear straight covering under vibrations from the road The ends of the covering touch the glass or the film that covers the solar cells Action Remove covering and stick additional fabric or flannel tape onto the stationary glass section between the existing tape and the Dualock fastener Damage code 78188 GC Remark The covering is
9. s manual Damage code 82302 52 Remark Important Normalization is different for different model 3 2 Roof panel Status 01 11 2005 series Refer to the documentation in the operator s manual does not open close CL203 amp W211 3 2 1 Lines or connectors detached damaged Cause Motor overhead control panel connector has become detached while driving Action Remove overhead control panel and check line and connectors Damage code 59230 74 3 2 2 Overhead control panel defective or has lost normalization settings Cause If an undervoltage occurs the OCP may lose its normalization settings Action Renormalize overhead control panel see operator s manual Damage code 82302 52 Remark Important Normalization is different for different model series Refer to the documentation in the operator s manual Page 21 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 4 Leakage 4 1 Water ingress at glass panel We are not aware of any cases to date 4 2 Water ingress in area of sun visor OCP 4 2 1 Leakage due to bodyshell W211 only Causes The seam seal 1 on the front roof frame cross piece is faulty has holes Or The rubber grommet 2 for sealing the front roof frame cross piece below the panoramic roof frame is faulty is incorrectly installed Action Touch up seam seal with suitable sealing materials If this doe
10. s not remedy the problem check rubber grommet and replace if necessary Damage code 65002 04 or 65002 76 Remark The panoramic roof must be removed in order to check replace the rubber grommet front left and right Status 01 11 2005 Page 22 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 4 2 2 Leakage due to windshield trim strip clips CL203 amp W211 Cause The riveted retaining clips for the windshield trim strip on the front roof frame no longer provide a proper seal with the bodyshell Action Remove clips and then seal the rivet holes with suitable sealing materials Then re rivet the clips Damage code 67004 38 Remark A loose clip is not necessarily leaky On the W211 it is generally necessary to remove the windshield in order to rivet the clips aw a au aaa a Status 01 11 2005 Page 23 23 This printout will not be recorded by the update service Status 11 2006
11. sition Clean the cam top and sides carefully with nitro thinner Remove protective foil from velvet tape and stick velvet tape centrally on cam The entire PU surface must be covered Push the protruding edges of the velvet tape under the cam uSing a spatula and press the velvet tape down firmly Damage code 78130 GC Remark Sticking on the lining is a much longer lasting remedy than the remedial action Oil cams indicated on the Service CD for the CL 203 Status 01 11 2005 Page 15 23 This printout will not be recorded by the update service Status 11 2006 1 2 2 Wind noises at high speed freeway 1 2 2 1 Seal on wind deflector lamella not cleanly clamped W211 only Cause The sealing section see arrow on the front edge of the wind deflector lamella is not cleanly clamped under the transverse trim strip between the windshield and the wind deflector lamella Action Remove transverse trim strip reposition seal cleanly fix in place temporarily if necessary and reinstall transverse trim strip Damage code 67004 39 Remark The seal on the wind deflector lamella can be seen when the roof is open It covers the bodyshell in the gap between the lamella and the trim strip when the roof is in this position Take care that the clips do not shear off when the transverse trim strip is removed Status 01 11 2005 Page 16 23 This printout will not be recorded by the update service Status 11 2006 Tro
12. tus 01 11 2005 Page 12 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 1 2 1 3 Noise between seal under wind deflector lamella and wind deflector lamella W211 only Cause A dirty seal causes noises on the cataphoretic immersion primed panel of the wind deflector lamella Action Clean seal and grease if necessary Damage code 78129 GC Remark The seal is only present on vehicles produced prior to 12 2003 On older vehicles the seal can also be removed entirely Status 01 11 2005 Page 13 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 1 2 1 4 Noise between seal above roller blind and glass panel W211 only Cause A dirty seal causes noises on the cataphoretic immersion primed panel of the glass roof panel Action The noise can be reliably eliminated by greasing the seal or by applying black fabric tape on the cataphoretic immersion primed panel of the glass roof panel Damage code 78130 GC Status 01 11 2005 Page 14 23 This printout will not be recorded by the update service Status 11 2006 1 2 1 5 Noise between cam of stationary glass section and glass panel CL203 amp W211 see also AF77 20 P 1005AG Cause Glass panel touches the cam Action Stick lining A203 783 01 97 on cam of stationary glass section Move panel of modular roof to tilt po
13. ubleshooting Tree for Panoramic Roof 1 3 Noises with roof panel in tilt position 1 3 1 On rough roads 1 3 1 1 Arms of wind deflector mechanism bent CL203 amp W211 Cause The arms of the wind deflector mechanism with which the roof panel presses down the wind deflector lamella when the roof is closed are bent Action Replace parts or bend back into shape Damage code 78119 IA 1 4 Noises with roof panel open We are not aware of any cases to date Status 01 11 2005 Page 17 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 2 Noises with vehicle stationary 2 1 When moving the roof 2 1 1 Scratching and squeaking noises when roof is moving CL203 amp W211 see also AF77 20 P 1005AG Cause Over the service life of the vehicle dirt can lead to stiffness and or noises when the roof panel moves Action With the roof open wipe out inside of mechanism with a cloth and then apply grease part no 001 989 46 51 With the roof closed clean outer guide rail with a steam cleaner and then oil using a thin brush part no 001 989 46 51 Move roof panel to tilt position and oil sliders of outer guide rail Damage code 78166 GA Remark On no account should the outer guide be greased because dust and dirt adheres easily to the grease and will very quickly lead to more malfunctions Status 01 11 2005 Page 18 23 This printout will
14. y further out Retighten mounting nut 2 5 Nm Reinstall trim strip and water deflector Damage code 69259 GC Remark Do not move the clips too far out If the trim strip clips are set too far out there will be a visible gap between the water deflector and the trim strip PPN Status 01 11 2005 Page 10 23 This printout will not be recorded by the update service Status 11 2006 Troubleshooting Tree for Panoramic Roof 1 2 Noises with roof panel closed and roller blind rolled up 1 2 1 On rough roads 1 2 1 1 Noise between wind deflector seal and wind deflector lamella CL203 amp W211 see also AF77 20 P 1003AG Cause Dirt between seal and wind deflector Action Lift seal using a plastic wedge and clean Then oil with antifriction oil part no 001 989 50 51 Damage code 67004 GA Remark The noise may also occur when the glass panel is opened and closed Status 01 11 2005 Page 11 23 This printout will not be recorded by the update service Status 11 2006 1 2 1 2 Noise between roller blind clutch and guide rail W211 only Cause Front roller blind clutch not sufficiently greased Action Grease flange of inner guide rail on which the front roller blind clutch rests Damage code 78120 GC Remark The noise does not occur when the roller blind is unrolled The noise does not occur when the roof bow is held Small quantities of grease are sufficient to eliminate the noise Sta
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