2014 Mercedes-Benz S550 Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 8%of 24 total for the year
- Median mileage
- 2,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2014 Mercedes-Benz S550, 8% of the 24 complaints for this model year. Where a mileage was given, the median is 2,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2014 mercedes benz S550. While driving approximately 10 MPH, the vehicle downshifted and suddenly there was a hard shift when the accelerator pedal was depressed or when stopped at a traffic light. The contact also noticed that there was a loud noise near the rear of the vehicle. The contact also noticed that the tilt function feature on the right passenger mirror failed. …”
NHTSA complaint #10732993, filed 2015-07, 2,000 milesRelated service bulletins
- 11035005Jul 14, 2026Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of…
- 11025648Nov 15, 2025Complaint 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…
- 11023193Sep 17, 2025Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause…
- 11019018May 21, 2025Complaint 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…
- 11013298Jan 16, 2025Complaint 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…
- 11013332Jan 15, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing…
- 11010818Nov 20, 2024Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause…
- 11008873Oct 1, 2024Complaint Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has stopped. Cause The tension-releasing jolt in the drivetrain…
- 10176661May 1, 20205 to 4 coasting downshift - shift quality concern with cold trans- mission oil on MODEL 217 or 222 in combination with ENGI- NE 278 and TRANSMISSION 722.9 without code 835/498
- 10164811Aug 5, 2019Throttle lift-off clunking noises at drive shafts of rear axle
Transmission and drivetrain: other model years
Other parts of the 2014 Mercedes-Benz S550
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
3 complaintsSteering
3 complaintsAir bags
2 complaintsFuel system
2 complaintsSeat belts
2 complaintsSuspension
2 complaintsElectrical system
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2014 Mercedes-Benz S550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology