Mercedes-Benz · S-Class · 2018
3
Recalls
29
Complaints
-
Not Rated
The 2018 Mercedes-Benz S-Class has 3 recalls and 29 owner-reported complaints on file with NHTSA. Most reported issue: engine (6 reports).
Source: NHTSA Public Records · Updated Apr 28, 2026
The 2018 Mercedes-Benz S-Class page works best as a research starting point. Complaint totals show how much owner-reported activity exists, while recalls and investigations help show whether any of that activity turned into formal safety action.
Because this is a newer-era vehicle page, it usually helps to compare this year against nearby model years before deciding whether a complaint pattern looks isolated or persistent. On this page, the most prominent complaint area is engine with 6 reported complaints.
This page combines three types of NHTSA data: recall campaigns (official manufacturer or government actions), owner complaints (unverified consumer reports), and crash test ratings (where available). A vehicle with many complaints is not necessarily less reliable — complaint volume correlates with sales volume and vehicle age. Recalls indicate identified defects, not overall quality. To compare this model year with others, use the year navigation in the sidebar or return to the model overview page.
If you are researching a used vehicle, start with the complaint categories, compare them against the recall list, and then check nearby model years to see whether the same issue profile repeats. That usually produces a better buying or research signal than treating the raw complaint total as a standalone safety ranking.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Remedy Status
Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Remedy Status
MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
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 software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Remedy Status
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.
Excessive engine oil lead from the back seal. Also, slow coolant leak. The car has a low mileage of 46k.
Vehicle had a low tire, vehicle indicated it needed to be driven for recalibration of the sensor(s). Took vehicle for short drive up two lane road. Turned around and headed back to where was staying and upon acceleration the vehicle seemed to have pulled off the road but come t...
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My 2018 S560 Mercedes occasionally misfires upon acceleration. This has happened at six times over the past three years. When this happens, the engine loses power, starts to shake, and the check engine light comes on. This happened when I was trying to pass a car on US 301 ...
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The contact owns a 2018 Mercedes-Benz S450. The contact stated while driving at an undisclosed speed, the gear shifter independently shifted into neutral. The contact had to hold down the gear shifter for about 30 seconds before the system was reset. Additionally, the check engin...
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1. The leather cover for the dashboard has peeled up on the passenger side. The vehicle is parked inside a covered garage while it is not being driven since it was purchased in 2021. 2. I am worried about the safety airbag restraints in the dashboard might not be working. 3. Th...
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The Squib For PRE-SAFE(R) Pulse '' Front Passenger'' Has A S560 w222 model airbag sensors problem an defective parts needs be investigated
The engine failed while my friend was driving. The car is available for inspection. My friend almost got into a car accident because the car started shaking and the steering wheel closed up before the engine completely failed. Additionally, the airbags did not go off. It could'...
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I was driving on highway on 7/26 Friday in exit lane when my panoramic sunroof exploded and shattered on me while driving. It sounded like a shogun. Some of the glass came in on me and other part flew out vehicle causing paint damage. I inspected car there was no impact from anyt...
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Driving on interstate 95 in South Carolina in the high speed lane Saturday December 2 2023 late morning. Adaptive cruise control, lane keep assist, self driving modes engaged. No traffic in front, large semi truck next to passenger side about equal to side mirror, I believe it...
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Ignition coil failed and cylinder 5 misfired. Car has less than 30K miles.
Showing 10 recent complaints from 29 total
View Full Complaint LogThe strongest comparison flow is usually: exact vehicle-year page, then nearby years of the same model, then other 2018 Mercedes-Benz models. That sequence helps separate one-off year spikes from broader make-wide patterns.
The 2018 Mercedes-Benz S-Class has 3 recalls recorded by NHTSA.
NHTSA has received 29 owner-reported complaints for the 2018 Mercedes-Benz S-Class.
NHTSA has not published a safety rating for the 2018 Mercedes-Benz S-Class.
The most commonly reported complaint categories for the 2018 Mercedes-Benz S-Class are engine (6 reports), service brakes (4 reports), unknown or other (3 reports).
Yes. NHTSA has 3 recalls on record for the 2018 Mercedes-Benz S-Class. Scroll up to review the published recall summaries, consequences, and remedies. To check for unrepaired recalls on your specific vehicle, use your VIN at nhtsa.gov/recalls.
Look up recalls and complaints for any year, make, and model.
This page summarizes publicly available data from the National Highway Traffic Safety Administration (NHTSA). Complaint counts reflect reports submitted to NHTSA by vehicle owners and do not by themselves prove defect severity or vehicle safety. Safety ratings may not be available for all vehicle-years. This site is not affiliated with NHTSA or any vehicle manufacturer. For official information, visit the official NHTSA page for this vehicle.