2008 Mercedes Benz S550 Problems, Complaints & Recalls

Source: NHTSA · Updated May 7, 2025 · 19 owner complaints analyzed

Compared with other S550 years
About as many complaints as other years 4th of 10 for complaints
Safety recalls
None on file
NHTSA crash rating
Not rated

Owners have filed 19 complaints with NHTSA about the 2008 Mercedes Benz S550. That ranks 4th out of 10 S550 model years for complaints. The most reported problem area is electrical system (4 complaints, 21%), typically at around 63,000 miles. Complaints mention 1 crash, 2 injuries. There are no safety recalls on file for this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2008 Mercedes Benz S550 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System4 · ~63,000 mi
Tires4 · ~73,455 mi
Engine2 · ~40,000 mi
Fuel System, Gasoline2 · ~66,000 mi
Power Train2 · ~138,805 mi
Suspension2 · ~80,500 mi
Air Bags1 · ~78,013 mi
Equipment1 · ~14,000 mi
Equipment Adaptive/mobility1 · ~57,000 mi
Fuel/propulsion System1 · ~70,000 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System421%63,000——
Tires421%73,455——
Engine211%40,000——
Fuel System, Gasoline211%66,000——
Power Train211%138,805——
Suspension211%80,500——
Air Bags15%78,013——
Equipment15%14,000——
Equipment Adaptive/mobility15%57,000——
Fuel/propulsion System15%70,000——
Seats15%78,013——
Service Brakes, Hydraulic15%———
Unknown or Other15%69,000——
Vehicle Speed Control15%148,000——
Wheels15%69,000——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2013, with 3 complaints
2009: 2200922011: 1201112013: 3201332014: 1201412015: 2201522017: 1201712018: 1201812019: 1201912020: 3202032023: 2202322024: 1202412025: 120251

n = 19 complaints · Source: NHTSA

2008 Mercedes Benz S550 recalls (0)

No safety recalls are on file for the 2008 Mercedes Benz S550.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

I’m reporting a serious safety issue with the balance shaft sprocket in my Mercedes-Benz S550 (M273 engine, 273.968). This is a known defect that causes the sprocket to wear out far too early due to poor material design. When it wears, it throws off the engine timing, leading to check engine…

Engine · received May 7, 2025 · NHTSA complaint 11659570

The contact owns a 2008 Mercedes-Benz S550. The contact stated while driving 40-50 MPH, the vehicle was shuddering intermittently. The contact stated that the failure recurred while at a complete stop. The check engine warning light was illuminated. The contact stated that the failure had been…

Electrical System · received Mar 14, 2024 · NHTSA complaint 11577423

We were traveling home and our TPMS indicated a tire failure. The PSI starting dropping rapidly. We took the tire off and found that only 4 " of rubber holding the back sidewall together on the tire. I then inspected the other tires on the car (which were purchased and installed at the same time)…

Tires · received Sep 28, 2023 · NHTSA complaint 11547224

The contact owns a 2008 Mercedes-Benz S550. The contact stated while driving 35-40 MPH, the message "SAFETY" was temporarily displayed on the instrument panel. Additionally, the contact stated while starting the vehicle on several occasions, the message " SAFETY " was displayed on the infotainment…

Power Train · received Aug 28, 2023 · NHTSA complaint 11541256

TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ S550. THE CONTACT STATED THAT WHILE STOPPED, THE VEHICLE WAS SUDDENLY REAR-ENDED CAUSING THE VEHICLE'S DRIVER AND PASSENGER FRONT SEAT HEAD REST AIR BAGS TO DEPLOY. THE CONTACT STATED THAT HE SUSTAINED BROKEN BONES IN HIS NECK AS WELL AS INJURIES TO HIS…

Seats · received Jun 18, 2020 · NHTSA complaint 11329607

Other Mercedes Benz S550 years

← 2007 S550 · 2010 S550 →

See all Mercedes Benz S550 problems by year, every Mercedes Benz model, or the Mercedes Benz VIN decoder.

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Frequently asked questions

What are the most common problems with the 2008 Mercedes Benz S550?

Owners most often report electrical system, tires, engine problems. The top one, electrical system, accounts for 4 complaints.

Was there a recall on the 2008 Mercedes Benz S550?

No safety recalls are on file for this model year.

Was the 2008 Mercedes Benz S550 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other S550 model years, the 2008 has about as many complaints as a typical year. Always get a pre-purchase inspection and check the VIN for open recalls.