Check Exhaust System Hardware – 2012-2016 Mercedes-Benz GLK-Class, E-Class, ML-Class, GLE-Class, GL-Class

This is to notify you of an Emission Service Campaign launch to check and replace (if necessary), the exhaust system hardware on 70 Model Year (“MY”) 2012-2016 GLK-Class, E-Class, ML-Class, GLE-Class and GL-Class (204, 212 and 166 platforms) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on August 26, 2022.

 

Issue

Mercedes-BenzeBay logo AG (“MBAG”), the manufacturer of Mercedes-BenzeBay logo vehicles, has determined that on certain Model Year (“MY”) 2012-2016 GLK-Class, E-Class, ML-Class, GLE-Class, and GL-Class (204, 212 and166 platforms) vehicles, an incorrect NOx sensor, Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) catalyst and/or Particulate Matter (PM) sensor may have been installed, which may not correspond to the specifications set forth in the “BlueTEC update” Approved Emission Modification (AEM) program. The incorrect hardware may potentially result in increased exhaust gas emissions.

 

What We’re Doing

MBUSA will conduct an Emission Service Campaign in which an authorized Mercedes-BenzeBay logo dealer will check and replace (if necessary), the necessary exhaust system hardware on the affected vehicles.

 

What We’re Doing

MBUSA will conduct an Emission Service Campaign in which an authorized Mercedes-BenzeBay logo dealer will check and replace (if necessary), the necessary exhaust system hardware on the affected vehicles.

 


Check installed item numbers for NOx sensors, soot particulate (PM) sensor, Diesel Particulate Filter (DPF) and  SCR catalyst; replace if necessary

 

Check/test procedure

 

Only perform the check/test procedures mentioned below and shown in the list starting on page 5.

The stamped item numbers on the Diesel Particulate Filter (DPF) and SCR catalyst do not match the order numbers in the parts catalog.

Individual or multiple item numbers of the parts installed in the vehicle may not be identical.

 

Search for the VIN number with CTRL+F and determine the check/test procedure in the list starting on page 5.

 

  1. Check part numbers of both NOx sensors and the soot particulate sensor. The controller unit must be removed

 

Figure 1 (example for model 166: NOx sensor upstream of SCR catalyst)

 

Figure 2 (example for model 166: NOx sensor and soot particulate sensor downstream of SCR catalyst)

 

  1. Check part number on DPF.

To do this, remove the bottom rear engine compartment lining (AR61.20-P-1105*)  * Select the WIS document according to the vehicle model.

The readable part number on the DPF is only for reference with the parts table on page 5 and 6 and does not match the order number in the electronic WIS parts catalog.

 

Figure 3 (example for model 204)

 

  1. Check part number on SCR catalyst.

The readable part number of the SCR catalyst is only for reference with the parts table on page 5 and 6 and does not match the order number in the electronic WIS parts catalog.

 

Figure 4 (example for model 166)

 

  1. Compare the item number of the affected component parts actually installed in the vehicle with the item number shown in the list starting on page 5.

The installed item number must be identical to the item number shown in the list.

 

    1. Installed item number in the vehicle is not identical to the list: Carry out corresponding operation step 1, 2, 3 or 4 in the work procedure.
    2. Installed item number in the vehicle is identical to the list: End measure.

 

Work Procedure 

 

  1. Replace NOx sensor(s) (AR14.40-P-2038*).
    • Select the WIS document according to the vehicle model.

This may only be done if the item number read off does not match the item number shown in the list.

 

  1. Replace soot particulate sensor (AR49.10-P-7100*).
    • Select the WIS document according to the vehicle model.

This may only be done if the item number read off does not match the item number shown in the list.

 

  1. Replace DPF (AR14.40-P-1000*).
    • Select the WIS document according to the vehicle model.

This may only be done if the item number read off does not match the item number shown in the list.

 

  1. Replace SCR catalyst (AR14.40-P-2006*).
    • Select the WIS document according to the vehicle model.

This may only be done if the item number read off does not match the item number shown in the list.

 

  1. Assemble in reverse order.

 

Primary Parts Information

Qty. Part Name Part Number
As requiredNOx sensorA 000 905 56 12 80
As requiredNOx sensorA 000 905 57 12 80
As requiredNOx sensorA 000 905 58 12 80
As requiredSoot particulate sensorA 000 905 06 08
As requiredSoot particulate sensorA 000 905 10 08
As requiredSoot particulate filter parts kit

(Corresponding readable DPF part number A 204 490 02 00)

A 204 490 04 00 85
As requiredExhaust gas line

(Corresponding readable SCR catalyst part number A 204 490 03 00)

A 204 490 01 00 80

 


Check Exhaust System Hardware
Various Models
Model Year 2012-2016

https://www.startekinfo.com/service/download-document/outside/226857/
https://static.oemdtc.com/TSB/P-SC-2022080007.pdf

 


 

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Tumukiw Car Exterior Exhaust Pipe Cover Compatible With Mercedes-Benz A B C E CLA CLS GLC GLE GLS Class W205 W213 X253 C257, Stainless Steel Tailpipe Exhaust Pipes Frame Trim (Carbon Fiber, Upgraded)
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304 Stainless Steel Exhaust Clamp, Fits Mercedes-Benz C43 AMG 2017-2023 E53 AMG 2019-2023, Sprinter 2500 3500 2010-2021, S450, Replaces A0004901241, A2024900541, 000-490-13-41
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Exhaust Tail Muffler Tip for Mercedes Benz C Class w205, Rear Stainless Steel Bumper Pipe Cover for Mercedes Benz A B C E CLA GLC GLE GLS Class W212 W213 GLC Class X253(Black)
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BDBO Stainless Steel Exhaust Y Pipe Dual Exhaust Tips for Mercedes Benz C-Classs W204 C180 C200 C260 C300 C350 C63 2015-2018 Car Tailpipe Dual Exhaust Adapter Connector(PACK OF 2)
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Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API


 

 


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