News Channel Update |

to: Mercedes-Benz Dealer Principals, General Managers, | Fro“: Joe Haller, Senior Manager - Warranty,

Sales Managers, Service Managers, Parts Managers Gregory Gunther - Senior Manager, Vehicle
Compliance and Analysis, Engineering Services

rE: Emission Extended Warranty - Exhaust Valve
Assembly MY11-14 CL-Class (216), MY12-16 CLS-Class
(218), MY11-16 S-Class (221, 222, 217), MY12-16 E-Class
(212, 207), MY12-15 ML-Class (166), MY13-16 SL-Class
(231), MY13-15 G-Class (463), MY13-16 GL-Class (166)
and MY 16 GLE-Class (292, 166)

pate: September 6, 2023

IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION

This NCU replaces the prior NCU issued on March 10, 2023, and contains clarification on reimbursement timeline and removal of
damage codes related to intake valves/guide. In our continuing efforts to assure the proper performance of Mercedes-Benz
products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) is extending the warranty coverage
on the exhaust valve system in certain Model Year (“MY”) vehicles listed below as follows:

- MY2011: Original New Vehicle Limited Warranty of 4 years / 50,000 miles New Vehicle to 12 years / 120,000 miles
(whichever occurs first)

- MY2012: Original New Vehicle Limited Warranty of 4 years / 50,000 miles New Vehicle to 11 years / 120,000 miles
(whichever occurs first)

- MY2013 - MY 2016: Original New Vehicle Limited Warranty of 4 years / 50,000 miles New Vehicle to 10 years /
120,000 miles (whichever occurs first)

This extended warranty applies to the following condition that may necessitate the repair or replacement of components related to
the exhaust valve assembly (e.g. exhaust valve, cylinder head) related to:

e Over time, increased lateral forces may lead to wear in the valve guide and/or seat ring. This issue could potentially cause
combustion misfire for cylinder 1 through 8 (right and/or left cylinder head), resulting in an activation of the check engine
Malfunction Indicator Lamp (“MIL”).

Model Model Years _ Sales Designation
CL-Class | 2011-2014 | AMGCL63, CL550 4MATIC
CLS-Class | 2012-2016 AMG CLS63, AMG CLS63 4MATIC, AMG CLS63 S
4MATIC, CLS550, CLS550 4MATIC
S-Class | 2011 - 2016 AMG S63, AMG S63 4MATIC, AMG S63 4MATIC
(Coupe), S550, $550 4MATIC, S550 4MATIC (Coupe)
E-Class | 2012-2016 AMG E63, AMG E63 4MATIC, AMG E63 S 4MATIC,
AMG E63 § (Station Wagon), AMG E63 S 4MATIC
(Station Wagon), E550 (Cabriolet), E550 (Coupe),
E550 4MATIC
ML-Class | 2012 - 2015 AMG ML63, ML550 4MATIC
SL-Class | 2013-2016 AMG SL63, SL550
G-Class | 2013 - 2015 AMG G63
GL-Class | 2013-2016 AMG GL63, GL450 4MATIC, GL550 4MATIC
GLE-Class | 2016 AMG GLE63 (Coupe), AMG GLE63, AMG GLE63 S

Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company

One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600

News Channel Update |

Please be advised that all repairs being claimed under this extended warranty must have a quick test uploaded with the following
fault code information and may be audited.

e P030085 - Combustion misfire has been detected.
e P0Q30x85 - Cylinder x misfire detected. (x = the affected cylinder)

All repairs found to be functioning properly or without proper documentation will be returned and the claim debited in full. Only
the following damage codes and parts may be claimed for the aforementioned repairs:

Damage Codes:

e 01205 - Valve Seat Exhaust Valve
e 01206 - Valve Guide Exhaust Valve
e 01243 - Cylinder Head Left
e 05202 - Exhaust Valve
e 01241 - Cylinder Head Right

Parts:

Cylinder Heads - A157010590080 (M157), A2780 107603 (M278), A2780 107703 (M278), A157010600080 (M157)
e Cylinder Head Gaskets - A2780 160125 (M278), A2780 160325 (M157), A2780 160520 (M278), A2780 160720 (M157)
e Exhaust Valve - A2780500427 (M157, M278)

Please note that damage incurred from abuse, accident, vandalism, or other non-warrantable causes that are not covered by the
New Vehicle Limited Warranty are similarly not covered by this Extended Warranty.

IMPORTANT:

1) Always check VMI to determine if a vehicle is covered under the 12 years / 120,000 miles for MY 2011, 11 years / 120,000
miles for MY 2012 and 10 years / 120,000 miles for MY 2013 - 2016 warranty period.
2) Quick Test Documentation with fault code information must be uploaded to pXD.

Please check the VIN in NetStar/VMI before scheduling the appointment for the repair. Applicable vehicles will be visible in
NetStar/VMI on March 11, 2023.

Approximately two weeks after the posting of this NCU, a letter will be sent to owners notifying them of the warranty extension.
If customers have already paid to have a repair related to the conditions specified above, they may be eligible for reimbursement.
Please advise the customer to follow the instructions detailed below.

Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company

One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600

News Channel Update |

Reimbursement to Customers for Valid Repairs Performed Prior to Warranty Extension

Customers who have already paid to have a repair to the exhaust valve assembly resulting in a check engine MIL activation may
be eligible to receive reimbursement.

Requests for reimbursement may include expenses for Mercedes-Benz replacement parts, labor, fees and taxes. Requests for
reimbursement costs that were not related to the aforementioned conditions will not be honored.

Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Mercedes-
Benz dealership and repairs performed by a non-Mercedes-Benz dealership might not be reimbursed.

The following documentation must be presented to the servicing or closest Mercedes-Benz dealership for
reimbursement.

Original or clear copy of all receipts, invoices and/or repair orders that show:

The name and address of the person who paid for the repair.

The Vehicle Identification Number (VIN) of the vehicle that was repaired.

What problem occurred, what repair was done, when it was done and who repaired it.

Only Mercedes-Benz replacement parts were used for the repair.

Fault Code (DTCs) information belonging to this Warranty Extension (if any).

The total cost of the repair expense that is being claimed.

Proof of payment for the repair (copy of front and back of cancelled check or copy of credit card receipt).

Reimbursement will be paid by a check from an authorized Mercedes-Benz dealership, which may take up to 60

days.

Should you have any questions or concerns, please do not hesitate to open OneTRAC case online.

Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company

One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600