Side flap hangs I does not reach correct end position with roof folded down
Topic number

Ll77 .30-P-054365

Version

3

Design group

77.30 Vario roof, soft top - complete

Date

10-23-2012

Validity

Model series 172

Reason for change

Part Number with associated Loca l Purchase number updated

Complaint:
Hanging side flap - side flap does not reach correct end position with roof folded down
(see annex - picture 1).

Cause:
Bolts securing guide rail (see annex - picture 3 - item 2) can work loose.

Remedy:
Perform adjustment operations on side flaps as follows:
1.) Fold up rear shel f (see annex - picture 2):

- Open the retractable hardtop and stop its movement as soon as the roof is folded down and the rear shelf is folded
up
(before the electric motor begins to run).
2.) Unhook spring control arm (see annex - picture 3):
- Before performing any adjustment operations, protect the surrounding areas. e.g. the front part of the retractable
hardtop, luggage compartment linings, against possible damage using a suitable dry cloth.
- Unhook the spring control arm (item 1) so that the side flap can be turned freely.
3.) Align guide rail (see annex - picture 4):
- Push back the guide rail (slight resistance will be felt) ; if necessary, loosen the two bolts securing the guide rail beforehand (annex - picture 3 - item 2): do not loosen the third bolt (M6).
- When pushing back. make sure that the guide rail is pushed toward the elongated hole
(see arrow in picture 4).
- Hold at the reached position and tighten the two bolts to max. 2.5 Nm (nominal torque 2 ± 0.5 Nm).
(Left picture - before adjustment operations; right picture - after adjustment operations).
11-01 -2012 3:03 PM
© Copyright Daimler AG

PID24BE
Page 113

~~ENTRY

Important: As of a torque of 3 Nm, either the bolt can break or the thread can be stripped .
4.) Install spring control arm:
- Hook in the spring control arm and secure using the retaining ring .
5.) Check position of side flaps:
- Continue the "open retractable hardtop" movement until the rear shelf is at its folded-down position.
- Then, in its folded-down state, check the positions of the side flaps
(for gap dimension, see AR77.30-P- 6373W).
6.) Repeat adjustment operations if necessary:
- If the gap dimension is not OK, repeat the adjustment operations at the side flaps.
7 .) Concluding work if gap dimension is OK :
- The two bolts securing the guide rail (annex - pictu re 3 - item 2) must be secured in sequence
using thread lock
- When doing so, one bolt must first be removed completely and the bolt hole filled with "Loctite 270" thread lock. This
bolt must then be inserted again and tightened securely to max. 2.5 Nm
(nominal torque 2 ± 0.5 Nm) before the second bolt is loosened and secured in the same way.

l.mPortant:
As of a torque of 3 Nm, either the bolt can break or the thread can be stripped.
When using thread lock, make sure that "Loctite 270" thread lock does not come into contact with any surrounding
components or trim panels.

Attachments
File

Designation

Hangende Seitenklappe - Hutablage BR1 72 - TI PS.pdf

Work instructions

Symptoms
Body I Roof system I Convertible top/vario roof I Va rio roof I Does not close
Body I Roof system I Convertible top/vario roof I Va rio roof I Malfunction
Body I Roof system I Convertible top/vario roof I Vario roof I Noise

Parts
Part number

ES1 ES2

11 -01-201 2 3:03 PM
© Copyright Daimler AG

Designation

Quantity Note

EPC Other
make
part

PID24BE
Page 2/3

;~ENTRY

A0029899371

11-01 -2012 3:03 PM

© Copyright Daimler AG

QUICK-ACTI ON ADHESIVE LOCTITE 270 - high-strength

1

Submit as local purchase
QAA00017, Qty 1 - handling is
included.

x

PID24BE
Page 3/3

~~ENTRY

Side flap hangs I does not reach correct end position with roof folded down
LI 77 .30-P-054365

Topic number
Version
Design group

77.30 Vario roof, soft top - complete

Date

10-03-2012

Validity

Model series 172

Reason for change
Reason for block

Complaint:
Hanging side flap - side flap does not reach correct end position with roof folded down
(see annex - picture 1).

Cause:
Bolts securing guide rail (see annex - picture 3 - item 2) can work loose.

Remedy:
Perform adjustment operations on side flaps as follows:

1.) Fold up rear shelf (see annex - picture 2):
- Open the retractable hardtop and stop its movement as soon as the roof is folded down and the rear shelf is folded
up
(before the electric motor begins to run).
2.) Unhook spring control arm (see annex - picture 3):
- Before performing any adjustment operations, protect the surrounding areas, e.g. the front part of the retractable
hardtop , luggage compartment linings, against possible damage using a suitable dry cloth.
- Unhook the spring control arm (item 1) so th at the side flap can be turned freely.
3.) Align guide rail (see annex - picture 4):
- Push back the gu ide rail (slight resistance will be felt); if necessary, loosen the two bolts securing the guide rail beforehand (annex - picture 3 - item 2); do not loosen the third bolt (M6).
- When pushing back, make sure that the guide rail is pushed toward the elongated hole
(see arrow in picture 4).
- Hold at the reached position and tighten the two bolts to max. 2.5 Nm (nominal torque 2 ± 0.5 Nm).
(Left picture - before adjustment operations: right picture - after adjustment operations).
10-03-2012 4:42 PM
© Copyright Daimler AG

CLANTZ4
Page 1/3

~~EN

I H \'

Important: As of a torque of 3 Nm, either the bolt can break or the thread can be stripped.
4.) Install spring control arm:
- Hook in th e spring control arm and secure using the retaining ring.
5.) Check position of side flaps:
- Continue the "open retractable hard top" movement until the rear shelf is at its folded-down position.
- Then, in its folded-down state, check the positions of the side flaps
{for gap dimension, see AR77.30-P- 6373W).
6.) Repeat adjustment operations if necessary:
- If the gap dimension is not OK, repeat the adjustment operations at the side flaps.
7.) Concluding work if gap dimension is OK:
- The two bolts securing the guide rail {annex - picture 3 - item 2) must be secured in sequence
using thread lock
- When doing so. one bolt must first be removed completely and the bolt hole filled with "Loctite 270" thread lock. T his
bolt must then be inserted again and tightened securely to max. 2.5 Nm
{nominal torque 2 ± 0.5 Nm) before the second bolt is loosened and secured in the same way.

As of a torque of 3 Nm, either the bolt can break or the thread can be stripped.
When using thread lock, make sure that "Loctite 270" thread lock does not come into contact with any surrounding
components or trim panels.

Attachments
File

Designation

Hangende Seitenklappe - Hutablage BR172 - TIPS.pdf

Work instructions

Symptoms
Body I Roof system I Convertible top/vario roof I Vario roof I Does not close
Body I Roof system I Convertible top/vario roof I Vario roof I Malfunction
Body I Roof system I Convertible top/vario roof I Vario roof I Noise

Parts
Part number

ES1 ES2 Designation

10-03-201 2 4:42 PM
© Copyright Daimler AG

Quantity Note

EPC Other
make
part

CLANTZ4
Page 2/3

QA00017

QUICK-ACTION ADHESIVE LOCTITE 270 - high-strength

1

Submit as local purchase
QA00017 , Oty 1 - handling is
included.

x

Valid ity
Vehicle

Engine

Transmission

172.403

.
.
.

.

172.447
172.448
172.457
172.475

.

.

.
.
.
*

Full model desig nation breakdown
Vehicle

Engine

Transmission

172.403

651 .980

7 11 .670

172.403

651.980

722.908

172.447

271.861

711.653

172.447

271.861

711.654

172.447

271 .861

722.997

172.448

27 1.861

71 1.655

172.448

271.861

722.997

172.457

276.956

722.906

172.475

152.980

722.909

10-03-2012 4 :42 PM

© Copyright Daimler AG

CLANTZ4

Page 3/3

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