IMPORTANT RECALL LAUNCH INFORMATION · Campaign No. 2015100007, December 2015 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Models 117 (CLA) and 156 (GLA) with Engine 270, ... WIS instructions:

TO: : Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers

FROM: Thomas Brunner, Department Manager, Vehicle Compliance and Analysis, Engineering Services

RE: Recall Campaign 2015100007 2015100008 2015100009 – Engine Camshaft Replacement, Model 117/156/172 (CLA-Class, GLA-Class, and SLK-Class) Model Years 2015-2016

DATE: December 16, 2015

IMPORTANT RECALL LAUNCH INFORMATION

This Recall Campaign is being launched today and the 857 affected vehicles will be flagged in VMI. Three separate campaigns have been created to clearly define the proper camshaft repair for each VIN: - 2015100007 (intake) - 2015100008 (intake and exhaust) - 2015100009 (exhaust) Parts: Dealers may order parts as required. Repair Time is approx. 8-9 hours. Currently, parts are available for the 117(CLA) and 156(GLA). The 172 (SLK) does not have all parts available yet. Information will be provided when they become available. Special Tools: All necessary tools specified in the Work Instructions must be on-hand before starting the repairs. Owner Notification: Owner notifications will be sent approximately late December, 2015. What Should Customers Do: Customers may continue to drive their vehicles until the recall is completed. Given this notice, it is a violation of Federal law for a dealer to sell or lease any new Model Years 2015-2016 CLA-Class, GLA-Class, SLK-Class vehicles covered by this notification in dealer inventory until the vehicle has been repaired. This notice provides the information for Dealers to start repairing vehicles. Once the repair is completed, the vehicle may be sold. Dealers are encouraged to check inventory vehicles for recall campaign applicability in VMI, and repair immediately. What’s the Issue: Daimler AG (DAG) has decided that on approximately 857 Model Years 2015-2016 CLA-Class, GLA-Class, and SLK-Class vehicles, the camshaft weld might have been manufactured outside of specfications, where the weld on certain camshafts may not have been placed at the intended position. In the affected vehicles, one or both camshafts could break and damage the engine, leading to a loss of power and causing the engine to stall. If this situation occurs, the engine cannot be restarted.

What We’re Doing: MBUSA has initiated a voluntary recall of all potentially affected vehicles described above. An authorized Mercedes-Benz dealer will replace the engine camshaft on the affected vehicles.

When scheduling customers for an appointment please ensure that you are aware of any open campaigns in VMI so that the customer is advised about the time necessary to complete all campaigns.

MERCEDES-BENZ USA, LLC 303 Perimeter Center North, Suite 202 Atlanta, GA, 30346 Phone: (770) 705-0600 Fax: (770) 705-0117 MBUSA.com

Note: VMI must always be checked before performing campaigns to verify that the campaign is required on a specific vehicle.

Dealers may also identify vehicles subject to a campaign through NetStar by selecting “Campaign” under the Controlling tab. Only vehicles that have been retailed by the respective dealer will be displayed within this program.

While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction.

Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCedes (1-800-367-6372).

Campaign No. 2015100007, December 2015

TO: ALL MERCEDES-BENZ CENTERS

SUBJECT: Models 117 (CLA) and 156 (GLA) with Engine 270, Model 172 (SLK) with Engine

274, Model Years 2015 - 2016

Replace Intake Camshaft

This Recall campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-

Benz vehicles, has determined that on certain Model Year 2015-2016 CLA, GLA, SLK vehicles equipped

with four-cylinder gasoline engines, a camshaft weld might have been manufactured outside of

specifications. Due to a production deviation at a supplier, the weld on certain camshafts may not be

placed at the intended position. The subject four-cylinder gasoline engines are designed with two

camshafts, one intake camshaft and one exhaust camshaft. In the affected vehicles the intake camshaft

could break and damage the engine until it stalls. If this situation occurs, the engine cannot be restarted.

An authorized Mercedes-Benz dealer will replace the intake camshaft on the affected vehicles.

Prior to performing this Recall Campaign:

Please check VMI to determine if the vehicle is involved in the Campaign and if it has been

previously repaired.

Please review the entire Recall Campaign bulletin and follow the repair procedure exactly as

described.

Please note that Recall Campaigns do not expire and may also be performed on a vehicle with a

vehicle status indicator.

Approximately 372 vehicles are involved. Order No. P-RC-2015100007 This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.

2

P-RC-2015100007

Procedure

Note (applies to camshaft teach-in process to be performed after camshaft has been replaced):

Use DAS/Xentry 09-10-11/15 with add-on 4947 or higher.

Follow the steps exactly as described in DAS/Xentry.

Connect battery charger (battery voltage >12.5V).

Ensure all electrical consumers are switched-off.

In the event of software/SCN update issues, contact Star Diagnosis User Help Desk. Please refer to the

“pre-call” check list before contacting UHD

Refer to Star Diagnosis System (SDS) Best Practices Guide.

1. Replace intake camshaft models 117, 156; refer to WIS: AR05.20-P-6992MT.

Note (Supplemental information to above WIS instructions. Be sure to review all WIS documents

linked to the above WIS instructions before performing the follow supplemental steps):

When removing lower engine compartment panel remove 2 screws (arrows, Figure 1) connecting

front bumper to fender on left and right sides of vehicle. Do not remove bumper.

Do not remove coolant vent line (arrow, Figure 2) from expansion tank (A). Disconnect vent line

(arrow) from valve cover and move to one side.

Do not completely drain cooling system. Lower coolant level then bleed and top-off system on

reassembly.

Figure 1 (Location reference: Inside of right front wheel well)

Figure 2

3

P-RC-2015100007

When assembling and installing engine support fixture (supplemental information to WIS:

AR33.10-P-0105NKB):

Remove 2 bolts (arrows, Figure 3) then remove deflector ramp (A) from left front of vehicle.

Support left front of radiator support with under hoist jack stand then remove fasteners (arrows,

Figure 4) and bracket (A),

Figure 3 (Location reference: Inside of left front wheel well)


Removing valve cover (supplemental information to WIS: AR01.20-P-5014MT):

When removing the air intake duct (1, Figure 5) (supplemental info. to WIS: AR09.10-P-8131MTU):

- Do not disconnect vent line (2) from air intake duct (1); it’s firmly bound and breakage may occur.

- Disconnect vent lines (arrows) from air intake duct (1).

- Disconnect line (3) from throttle valve: Push on locking tab (4) to release line from fitting.

Figure 5

4

P-RC-2015100007

- Lift up air intake duct (A, Figure 6) then secure it to base of right wiper arm (arrow) using a small

cargo strap, or large cable tie (shop supply) etc. (allows access to valve cover and components).

Figure 6

When disconnecting engine wiring harness (supplemental information to WIS:

AR0100-P-2410-02MT): Remove pendulum support (B, Figure 6) to allow access to wiring harness

connectors; refer to WIS: AR22.10-P-1125NKB.

Figure 7

When removing vacuum pump (A, Figure 7); (supplemental info to WIS: AR43.05-P-1320MT):

- Move large coolant pipe (B) in front of vacuum pump (A) to one side:

Disconnect two bolts (arrows) securing coolant pipe (B).

- Remove air intake duct (C) to throttle valve (D):

Remove bolt (E) then remove 4 bolts (F) securing intake duct (C) to throttle valve (D).

Note:

- Throttle valve (D) will also be unfastened along with air intake duct (C) when bolts (F) are removed.

- Be sure to replace 2 seals on throttle valve (D).

5

P-RC-2015100007

Remove top bolt (A, Figure 8) on rear lifting ring (B) then loosen bottom bolt (arrow).

Push lifting ring away from valve cover when removing valve cover (supplemental information to

WIS: AR01.20-P-5014MT).

Figure 8

When installing camshaft holding tools (special tool: 270 589 01 61 00): Loosen bolts securing right

front engine lifting ring (arrow, Figure 9) to allow clearance on intake camshaft (A) side.

Figure 9

Figure 10

When removing camshaft (supplemental information to WIS instructions: AR05.20-P-6992MT):

Remove 2 bolts (arrows, Figure 10) then remove camshaft holders (A).

Installation Note: Install camshaft holders (A) back to original locations on cylinder head,

torque bolts (arrows) to 27.5 Nm

Note: After camshaft replacement is complete proceed to step 3: Perform “Teach-in process camshaft functions”.

6

P-RC-2015100007

2. Replace intake camshaft on Model 172; refer to WIS: AR05.20-P-6992MRA.

Note: (regarding above WIS instructions):

WIS instructions: AR05.20-P-6992MRA are described for removal/installation of camshafts and engine

components for model 205 with engine 274.9. Model 172 is similar.

For instructions on removal/installation of vehicle specific components (panels, air filter housing, etc.)

please refer to model 172 WIS instructions.


reassembly.

Do not remove coolant vent line. Disconnect line and move to one side (refer to WIS: AR01.20-P-

5014MRA).





After camshaft replacement is complete proceed to step 3: Perform “Teach-in process camshaft

functions”.

3. Connect XENTRY/DAS and perform teach-in process for camshaft functions:

Control units view ME - motor electronics Special procedures

Procedure following the exchange of the component intake camshaft/exhaust camshaft" and process all

available sub-steps in the specified order. Follow on-screen instructions.

Note: Ensure engine temperature is between: 60 ° C and 90 ° C.

Note (regarding WIS documents referenced in this Procedure):

Replacement of parts not listed in the parts table of this Procedure are not claimable under this

campaign. If replacement of additional part(s) is necessary, check coverage prior to submitting

under warranty.

7

P-RC-2015100007

Special Tools

Holding device Socket Socket

Socket wrench bit Test cap Cooler vacuum filling device

Puller Assembly tool Drift

Support fixture (models 117, 156) Pressure hose (model 270)

278 589 00 33 00

272 589 00 43 00

278 589 01 15 00

001 589 65 09 00

246 589 00 62 00

270 589 01 61 00

271 589 00 10 00

270 589 01 07 00

285 589 00 21 00

210 589 00 91 00

119 589 04 63 00

8

P-RC-2015100007

Primary Parts Information

Engine 270

Qty. Part Name Part Number Estimated Replacement

Rate

1 Intake camshaft A 270 050 00 00 100%

2 Screw/bolt A 004 990 37 12

1 O-ring A 021 997 97 45

1 Seal A 270 016 00 80

1 End cover A 000 998 65 90

1 End cover/chain tensioner cover A 270 015 02 00

1 O-ring A 023 997 28 45

18 Screw/bolt A 001 990 57 22

6 Screw/bolt A 002 990 24 22

1 Molded seal A 270 018 00 80

1 O-ring A 021 997 59 45

1 Seal A 270 018 18 00

1 Screw/bolt N 000000 008231

4 Round-wire snap ring A 002 994 13 40 02

4 Intermediate ring A 278 153 00 51


4 Protective ring A 004 992 29 80

4 O-ring A 018 997 36 45

4 Retaining spring A 278 072 04 43

4 O-ring A 012 997 86 45

4 Sealing ring A 014 997 88 45


1 Compensating ring A 270 094 01 51

1 Fuel line clamp A 006 997 18 90

2 Seal (throttle plates) A 270 096 00 80

1 (10 vehicles) Loctite 7200 cleaner 1) A 010 989 90 71

1 (3 vehicles) Loctite 7063 cleaner spray 2) A 001 986 71 71 10

1 Loctite 5970 sealant A003 989 98 20 10 1)

Loctite 7200 - sufficient for 10 vehicles, submit as Local Purchase - L7200153. Qty. 1, handling is included. 2)

Loctite 7063 - sufficient for 3 vehicles, submit as Local Purchase - L7000282. Qty. 1, handling is included. .

9

P-RC-2015100007

Engine 274


Rate


1 Chain tensioner cover A 000 997 62 20

1 O-ring A 021 997 60 45

1 O-ring A 025 997 64 48

1 O-ring A 025 997 62 48

2 Screw/bolt A 004 990 37 12

1 O-ring A 021 997 97 45

1 Low-pressure hose clamp A 006 997 18 90

1 Seal A 270 016 00 80

1 Molded seal A 274 018 44 00

1 End cover A 000 998 65 90

1 O-ring A 023 997 28 45

20 Screw/bolt A 001 990 57 22

6 Screw/bolt A 002 990 24 22

1 O-ring A 024 997 80 45





4 O-ring A 018 997 36 45


4 O-ring A 012 997 86 45



4 Hex bolt (vacuum pump) N 000000 003648







Loctite 7063 - sufficient for 3 vehicles, submit as Local Purchase - L7000282. Qty. 1, handling is included.

10

P-RC-2015100007

Note:

Please be aware that only the part number(s) referenced in the Campaign Bulletin is/are

approved for use to repair the vehicle. Repairs performed using any other part(s) will not

have been performed in accordance with the campaign. Accordingly, warranty claims

submitted with reference to an improper part number(s) will be denied.

The following allowable labor operation should be used when submitting a warranty claim for

this repair: Warranty Information

Operation: Replace intake camshaft (02-9371). Includes: Teach in camshaft. Star Diagnosis System (SDS), Connect/disconnect (02-4762)

Damage Code Operation Number Labor Time (hrs.)

05 900 32 7 02-9371 8.6 (model 117)

8.7 (model 156)

7.8 (model 172)

02-4762 0.1

Note Operation Number labor times are subject to change.



SUBJECT: Model 172 (SLK) with Engine 274, Model Year 2016

Replace Intake and Exhaust Camshafts


Benz vehicles, has determined that on certain Model Year 2016 SLK vehicles equipped with four-

cylinder gasoline engines, a camshaft weld might have been manufactured outside of specifications. Due

to a production deviation at a supplier, the weld on certain camshafts may not be placed at the intended

position. The subject four-cylinder gasoline engines are designed with two camshafts, one intake

camshaft and one exhaust camshaft. In the affected vehicles one or both camshafts could break and

damage the engine until it stalls. If this situation occurs, the engine cannot be restarted. An authorized

Mercedes-Benz dealer will replace the relevant camshaft on the affected vehicles.





described.




2

P-RC-2015100008

Procedure









1. Replace camshafts; refer to WIS: AR05.20-P-6992MRA.







reassembly.


5014MRA).

When removing camshaft

(supplemental information to WIS

instructions:

AR05.20-P-6992MRA):

Remove 4 bolts (arrows, Figure 1) then

remove 4 camshaft holders (A).

Installation Note: Install camshaft

holders (A) back to original location on

cylinder head,


After camshaft replacement is complete

proceed to step 3: Perform “Teach-in

process camshaft functions”.

Figure 1 (shown on engine 270)





Note:

Ensure engine temperature is between: 60 ° C and 90 ° C.

3

P-RC-2015100008

Special Tools




Pressure hose

278 589 00 33 00

272 589 00 43 00

278 589 01 15 00

001 589 65 09 00

270 589 01 61 00

271 589 00 10 00

270 589 01 07 00

285 589 00 21 00

210 589 00 91 00

119 589 04 63 00

4

P-RC-2015100008




under warranty.

Engine 274


Rate


Exhaust camshaft A 274 050 01 01


1 O-ring A 021 997 60 45

1 O-ring A 025 997 64 48

1 O-ring A 025 997 62 48

2 Screw/bolt A 004 990 37 12

1 O-ring A 021 997 97 45


1 Seal A 270 016 00 80

1 Molded seal A 274 018 44 00

1 End cover A 000 998 65 90

1 O-ring A 023 997 28 45

20 Screw/bolt A 001 990 57 22

6 Screw/bolt A 002 990 24 22

1 O-ring A 024 997 80 45





4 O-ring A 018 997 36 45


4 O-ring A 012 997 86 45











5

P-RC-2015100008

Note:







Operation: Replace exhaust and intake camshafts (02-9372). Includes: Teach in camshaft. Star Diagnosis System (SDS), Connect/disconnect (02-4762)


05 900 33 7 02-9372 8.0

02-4762 0.1




SUBJECT: Models 117 (CLA) and 156 (GLA) with Engine 270, Model 172 (SLK) with Engine

274, Model Years 2015- 2016

Replace Exhaust Camshaft


Benz vehicles, has determined that on certain Model Year 2015-2016 CLA, GLA, SLK vehicles equipped

with four-cylinder gasoline engines, a camshaft weld might have been manufactured outside of

specifications. Due to a production deviation at a supplier, the weld on certain camshafts may not be

placed at the intended position. The subject four-cylinder gasoline engines are designed with two

camshafts, one intake camshaft and one exhaust camshaft. In the affected vehicles the exhaust

camshaft could break and damage the engine until it stalls. If this situation occurs, the engine cannot be

restarted. An authorized Mercedes-Benz dealer will replace the exhaust camshaft on the affected

vehicles.





described.




2

P-RC-2015100009

Procedure









1. Replace exhaust camshaft models 117, 156; refer to WIS: AR05.20-P-6992MT.

Note (Supplemental information to above WIS instructions. Be sure to review all WIS documents

linked to the above WIS instructions before performing the follow supplemental steps):

When removing lower engine compartment panel remove 2 screws (arrows, Figure 1) connecting

front bumper to fender on left and right sides of vehicle. Do not remove bumper.

Do not remove coolant vent line (arrow, Figure 2) from expansion tank (A). Disconnect vent line

(arrow) from valve cover and move to one side.


reassembly.

Figure 1 (Location reference: Inside of right front wheel well)

Figure 2

3

P-RC-2015100009

When assembling and installing engine support fixture (supplemental information to WIS:

AR33.10-P-0105NKB):

Remove 2 bolts (arrows, Figure 3) then remove deflector ramp (A) from left front of vehicle.

Support left front of radiator support with under hoist jack stand then remove fasteners (arrows,

Figure 4) and bracket (A),



Removing valve cover (supplemental information to WIS: AR01.20-P-5014MT):

When removing the air intake duct (1, Figure 5) (supplemental info. to WIS: AR09.10-P-8131MTU):

- Do not disconnect vent line (2) from air intake duct (1); it’s firmly bound and breakage may occur.

- Disconnect vent lines (arrows) from air intake duct (1).

- Disconnect line (3) from throttle valve: Push on locking tab (4) to release line from fitting.

Figure 5

4

P-RC-2015100009

- Lift up air intake duct (A, Figure 6) then secure it to base of right wiper arm (arrow) using a small

cargo strap, or large cable tie (shop supply) etc. (allows access to valve cover and components).

Figure 6

When disconnecting engine wiring harness (supplemental information to WIS:

AR0100-P-2410-02MT): Remove pendulum support (B, Figure 6) to allow access to wiring harness

connectors; refer to WIS: AR22.10-P-1125NKB.

Figure 7

When removing vacuum pump (A, Figure 7); (supplemental info to WIS: AR43.05-P-1320MT):

- Move large coolant pipe (B) in front of vacuum pump (A) to one side:

Disconnect two bolts (arrows) securing coolant pipe (B).

- Remove air intake duct (C) to throttle valve (D):

Remove bolt (E) then remove 4 bolts (F) securing intake duct (C) to throttle valve (D).

Note:

- Throttle valve (D) will also be unfastened along with air intake duct (C) when bolts (F) are removed.

- Be sure to replace 2 seals on throttle valve (D).

5

P-RC-2015100009

Remove top bolt (A, Figure 8) on rear lifting ring (B) then loosen bottom bolt (arrow).

Push lifting ring away from valve cover when removing valve cover (supplemental information to

WIS: AR01.20-P-5014MT).

Figure 8

When installing camshaft holding tools (special tool: 270 589 01 61 00): Loosen bolts securing right

front engine lifting ring (arrow, Figure 9) to allow clearance on intake camshaft (A) side.

Figure 9

Figure 10





Note: After camshaft replacement is complete proceed to step 3: Perform “Teach-in process camshaft functions”.

6

P-RC-2015100009

2. Replace exhaust camshaft on Model 172; refer to WIS: AR05.20-P-6992MRA.







reassembly.


5014MRA).



Installation Note: Install camshaft holders (A) back to original location on cylinder head,


After camshaft replacement is complete proceed to step 3: Perform “Teach-in process camshaft

functions”.





Note: Ensure engine temperature is between: 60 ° C and 90 ° C.




under warranty.

7

P-RC-2015100009

Special Tools




Support fixture (models 117, 156) Pressure hose (model 270)

278 589 00 33 00

272 589 00 43 00

278 589 01 15 00

001 589 65 09 00

246 589 00 62 00

270 589 01 61 00

271 589 00 10 00

270 589 01 07 00

285 589 00 21 00

210 589 00 91 00

119 589 04 63 00

8

P-RC-2015100009

Primary Parts Information

Engine 270


Rate

1 Exhaust camshaft A 270 050 46 00

2 Screw/bolt A 004 990 37 12

1 O-ring A 021 997 97 45

1 Seal A 270 016 00 80

1 End cover A 000 998 65 90

1 End cover/chain tensioner cover A 270 015 02 00

1 O-ring A 023 997 28 45

18 Screw/bolt A 001 990 57 22

6 Screw/bolt A 002 990 24 22

1 Molded seal A 270 018 00 80

1 O-ring A 021 997 59 45

1 Seal A 270 018 18 00

1 Screw/bolt N 000000 008231





4 O-ring A 018 997 36 45


4 O-ring A 012 997 86 45





2 Seal (throttle plates) A 270 096 00 80





Loctite 7063 - sufficient for 3 vehicles, submit as Local Purchase - L7000282. Qty. 1, handling is included. .

9

P-RC-2015100009

Engine 274


Rate

1 Exhaust camshaft A 274 050 01 01 100%


1 O-ring A 021 997 60 45

1 O-ring A 025 997 64 48

1 O-ring A 025 997 62 48

2 Screw/bolt A 004 990 37 12

1 O-ring A 021 997 97 45


1 Seal A 270 016 00 80

1 Molded seal A 274 018 44 00

1 O-ring A 023 997 28 45

20 Screw/bolt A 001 990 57 22

6 Screw/bolt A 002 990 24 22

1 O-ring A 024 997 80 45





4 O-ring A 018 997 36 45


4 O-ring A 012 997 86 45











10

P-RC-2015100009

Note:







Operation: Replace exhaust camshaft (02-9370). Includes: Teach in camshaft. Star Diagnosis System (SDS), Connect/disconnect (02-4762)


05 900 34 7 02-9370 8.6 (model 117)

8.7 (model 156)

02-4762 0.1


Documents

IMPORTANT RECALL LAUNCH INFORMATION · Campaign No. 2015100007, December 2015 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Models 117 (CLA) and 156 (GLA) with Engine 270, ... WIS instructions: