TSB: MERCEDES BENZ A220, AMG A35, AMG A45, AMG CLA35, AMG GLA35, AMG GLB35, AMG GLE63, AMG ML63, CL550, CL63, CLA250, CLS, CLS400, CLS550, CLS63, CLS63S, E550, E63, E63S AMG, G63, GL550, GL63, GLA250, GLB200, GLB250, GLE63S, ML550, S550, S550 4MATIC, S63, S63 AMG 4MATIC, SL550, SL63, SL63 AMG (2011–2022)

Bulletin ELW-ExhaustValve — March 10, 2023

Bulletin Details

Bulletin IDELW-ExhaustValve
ManufacturerMERCEDES BENZ
ModelsA220, AMG A35, AMG A45, AMG CLA35, AMG GLA35, AMG GLB35, AMG GLE63, AMG ML63, CL550, CL63, CLA250, CLS, CLS400, CLS550, CLS63, CLS63S, E550, E63, E63S AMG, G63, GL550, GL63, GLA250, GLB200, GLB250, GLE63S, ML550, S550, S550 4MATIC, S63, S63 AMG 4MATIC, SL550, SL63, SL63 AMG
Model Years2011–2022
Date IssuedMarch 10, 2023
Date Added to NHTSASeptember 1, 2023
ComponentENGINE AND ENGINE COOLING
Vehicles Affected127 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

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 (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ce

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ A220 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ A220 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG CLA35 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG CLA35 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLA35 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLA35 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLB35 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLB35 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ CLA250 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLA250 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLA250 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLA250 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLB250 2022 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLB250 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ A220 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ A220 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG A35 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG A35 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG CLA35 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG CLA35 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLA35 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLA35 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLB35 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLB35 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ CLA250 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLA250 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLA250 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLA250 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLB250 2021 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLB250 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ A220 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ A220 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG A35 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG A35 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG A45 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG A45 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG CLA35 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG CLA35 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLB35 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLB35 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ CLA250 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLA250 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLB200 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLB200 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ GLB250 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLB250 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ A220 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ A220 2019 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MERCEDES-BENZ AMG GLE63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS400 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE63S 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 4MATIC 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 AMG 4MATIC 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL63 AMG 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS400 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 AMG 4MATIC 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S63 2011 060000 ENGINE AND ENGINE COOLING

Related MERCEDES BENZ Recalls

CampaignModelYearComponentSummary
GLS 450 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
GLE 580 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
AMG GLS63 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
AMG GLE63 S 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
GLE 450E 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MERCEDES BENZ dealer. Bring this bulletin ID (ELW-ExhaustValve) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.