The 2018 Mercedes-Benz Gls 450 has 3 NHTSA recall campaigns affecting an estimated 1,544,024 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 20 complaints with NHTSA, most often about the service brakes. Last updated July 5, 2026.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error…
Consequence
A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy
The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact…
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The…
Consequence
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Remedy
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
SERVICE BRAKES, HYDRAULIC18V5390002018-08-169,044 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz GLE350 4Matic, GLE350, GLS450 4Matic, GLS550 4matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, and GLS63 AMG 4Matic vehicles. The rear brake caliper pistons on these vehicles may not have been correctly coated, causing gas to become…
Consequence
Reduced braking performance can increase the risk of a crash.
Remedy
MBUSA will notify owners, and dealers will bleed the rear axle brake system, free of charge. The recall began September 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018080013.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“January 2023 - airbag suspension failed. Replaced by mercedes dealership. December 2024 - airbag suspension failed. Replaced by mercedes dealership. April 2024: first brake failure. The brakes stopped while driving. Repaired. April 2025: second brake failure. Brakes failed again. Repaired. The…”
“January 2023 - airbag suspension failed. Replaced by mercedes dealership. December 2024 - airbag suspension failed. Replaced by mercedes dealership. April 2024: first brake failure. The brakes stopped while driving. Repaired. April 2025: second brake failure. Brakes failed again. Repaired. The…”
“January 2023 - airbag suspension failed. Replaced by mercedes dealership. December 2024 - airbag suspension failed. Replaced by mercedes dealership. April 2024: first brake failure. The brakes stopped while driving. Repaired. April 2025: second brake failure. Brakes failed again. Repaired. The…”
“Brake brakes are terrible. They have other years that they’ve acknowledge that the break are spongy and at times does not break the gls has that defect. Also smell of gas fumes inside the vehicle. Please direct me the right way and help me with this issue. The brake issue almost have caused me…”
“Brake brakes are terrible. They have other years that they’ve acknowledge that the break are spongy and at times does not break the gls has that defect. Also smell of gas fumes inside the vehicle. Please direct me the right way and help me with this issue. The brake issue almost have caused me…”
“This 2018 gls 450 has issues with suspension system. Bought this car in 2023 and using since jna 2023 and suspension system failed like 3 -4 times. Mechanic changed the air compressor , valves and others and still the car has same issue. It used to lift the car to adequate height but the…”
“When attempting to rise/lower the automatic suspension, the compressor cooling notification pops up, followed by a malfunction. After this occurs, the vehicle is incredibly bumpy, to the point of it being unsafe to drive. The vehicle has been repaired twice already by the dealership under extended…”
“Third row seat will not lock. Warning message came on several months ago. I brought the vehicle in for service in may of 2022 to mercedes benz of westwood ma. They neglected to repair the issue with the seat and returned the car back to me with the safety issue still unresolved. I spoke with the…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 Mercedes-Benz Gls 450 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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