AutoDefect IQ

2015 Mercedes Benz Redundant S550e problems, complaints & recalls

Most-reported problem areas: Tires (1) · Service Brakes, Hydraulic (1) · Fuel/Propulsion System (1)

7
Complaints
0
Recalls
49
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (49)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Power Train 2025-11-15 · LI33.30-P-056665 · Service Bulletin/Repair Instructions

complaint single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the clunk is heard once when changing from forward to reverse (and vice versa). note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the out

Electrical System 2025-09-25 · LI54.10-P-071499 · Service Bulletin/Repair Instructions

complaint the result from the xentry battery test does not match the current state of the battery. cause the xentry battery tester uses the stored on-board electrical system data in the sam module to access the health of the 12 volt battery. the xentry battery test may not take into account a single

Power Train 2025-09-17 · LI27.19-P-072588 · Service Bulletin/Repair Instructions

complaint transmission control unit y3/8n4 (fully integrated transmission control unit (vgs)) not listed in quick test and/or no communication possible with vgs. cause transmission control unit y3/8n4 remedy for vehicles with 722.9 transmission: ensure li54.15-p-057373 is performed before replacing

Electrical System 2025-05-22 · LI82.85-P-079271 · Service Bulletin/Repair Instructions

complaint after a software update of hermes communication module n112/9 has been performed on a gray import vehicle, the message "sos - service not activated" is displayed in the instrument cluster. cause the message "sos - service not activated" tells the customer that "over-the-air" registration o

Power Train 2025-05-21 · LI33.30-P-056665 · Service Bulletin/Repair Instructions

complaint single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the clunk is heard once when changing from forward to reverse (and vice versa). note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the out

Electrical System 2025-05-02 · LI54.10-P-071499 · Service Bulletin/Repair Instructions

complaint the result from the xentry battery test does not match the current state of the battery. cause the xentry battery tester uses the stored on-board electrical system data in the sam module to access the health of the 12 volt battery. the xentry battery test may not take into account a single

Showing the 6 most recent of 49 bulletins. Search all of them free at nhtsa.gov.

What owners report

2023-09-25 · Electrical System · 73,000 mi

“the contact owns a 2009 mercedes-benz s550. the contact stated that while driving at an undisclosed speed with the air condition system activated, there was hot air blowing out of the vents. the contact stated that the hot air was blowing out of the vents and the floorboard was soiled with water. the vehicle was taken to an independent mechanic to …”

2018-06-20 · Fuel/Propulsion System · 164,000 mi

“i purchased a lavish s550 and over time i started smelling gas in the cabin. i didn't think too much about it until the smell became more pungent. i go online to do some research and find out some of the cars had faulty fuel pumps which leak into the backseat. not only does it leak but the vapors are spread throughout the cabin making it unbearable…”

2017-08-29 · Unknown Or Other · 40,000 mi

“on 8/29/17 around 11:20 - 11:30am, i was driving on n270 just off from hov lane from s495 near montrose exit(little bit before), some metallic round wheel type with sharp edges around flew over from s270. i tried to avoid it by swerve my car but it must have landed below my car and scratched underneath which caused my car making weird sound plus bu…”

2016-07-21 · Unknown Or Other

“vehicle fails to go in park after driving on the street and arriving at the grocery store.…”

2016-06-09 · Unknown Or Other

“my s550e trunk can remain unlocked and sometimes refuse to lock - resulting in compromising the security of the vehicle. there is something wrong in the state machine to lock the trunk. if the vehicle is in a locked state and the remote is used to lock the truck - it fails to do so.…”

2014-07-06 · Tires

“replaced all tires when all had severe tread wear and two had side wall blisters at 23,000 miles. i received an adjustment for the replacement. with about 1,000 miles on the new tires the passenger front tire developed a large sidewall blister. *js…”

2010-04-28 · Service Brakes, Hydraulic · 19,800 mi · 💥 crash

“i was on a snow covered road in my neighborhood driving about 10-15 mph and attempted to make a right turn. the car kept going straight and slid off the road. the esp stability control and abs failed to operate at that point. this was after a recent reprogramming by the dealer. this function had operated correctly all winter prior to that event…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.