2008 Mercedes-Benz R350 Electrical system Problems
- Complaints
- 5about this part
- Share
- 14%of 35 total for the year
- Median mileage
- 107,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the electrical system of the 2008 Mercedes-Benz R350, 14% of the 35 complaints for this model year. Where a mileage was given, the median is 107,000 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.
“Electrical wiring around headlamps is crumbling and exposing large lengths of bare wires, with up to about 6 of copper wiring exposed in the engine compartment. I replaced a burned out halogen headlamp in june, the other one in august, and the first one went out again about a week ago (and this rate of headlamp replacement is more or less typical; I keep two spares in my car at all times, as burnouts are so frequent). The bare wires may be contributing to the extremely short bulb life and could also cause arcing and potentially an engine fire. …”
NHTSA complaint #11023728, filed 2017-09, 115,000 miles“This vehicle has a balance shaft and intake manifold issue as well as a air suspension problem. Both problems are a manufacture defect that is common in other mb R350 vehicles. Mb accepts that this vehicle model have a conglomerate of problems and is not taking responsibility to create a recall. This vehicle is always maintain and service by an authorized mb dealer and they insure that in any of the previous services the diagnosis was never identified or mention. The low suspension is a safety issue that may cause the wheels to rub against the fenders and cause driver to loose control. …”
NHTSA complaint #10475739, filed 2012-09, 107,000 miles“I see I have recalls for the back hatch door and some suspension recalls electrical also air rising system for a 2008 are 350 mercedes I call the syracuse new york dealer and they said it is not up for recalls but this is how I found out it was up for recalls.”
NHTSA complaint #11328883, filed 2020-06Related service bulletins
- 11015640Mar 5, 2025Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 11008091Sep 28, 2024Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10041024Mar 9, 2011Mercedes-benz: the fuel level indicator is wrong.
- 10038225Dec 8, 2010Mercedes-benz: diagnostic procedures for the driver authorization system.
- 10033070Dec 16, 2009Xentry (mercedes): engine warning lamp is currently on or was on and a delay fault of the camshaft adjust to current or stored in the engine control unit. Models 171, 203, 209…
- 10028625May 1, 2009Mercedes: update rear sam software. The opening and closing of tailgate with key remote, while the vehicle is locked, may cause the battery to drain due to incorrect rear sam…
Electrical system: other model years
Other parts of the 2008 Mercedes-Benz R350
12 complaintsSteering
10 complaintsBrakes
6 complaintsEngine
5 complaintsAir bags
2 complaintsOther or unknown
2 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsLatches, locks and linkages
1 complaintsSeat belts
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2008 Mercedes-Benz R350
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