2004 Mercedes Benz Sl Class problems, complaints & recalls
Most-reported problem areas: Suspension (1) · Service Brakes, Hydraulic (1) · Exterior Lighting:headlights:high/Low Beam Dimmer Switch (1)
🧭 Reliability snapshot
Compared against other Mercedes Benz Sl Class model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (16)
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.
Parking Brake 2009-07-31 · SB-P-047527 · Service Bulletin/Repair Instructions
mercedes: parktronic intermittently not functioning. the function works again after a short time or distance. when the foot operated parking brake is applied, the parktronic system is deactivated. if the foot operated parking brake is on at the first notch, the contact switch may react with a co
Electrical System: Instrument Cluster/Panel 2009-07-06 · SB-P-047124 · Service Bulletin/Repair Instructions
mercedes: cracking noise from the area of the instrument panel/firewall when cornering, during throttle lift off and on uneven roads. stress at the spot welds on the firewall to the right of the brake booster can result in cracking noises. no right hand drive. no model years listed.
Service Brakes, Hydraulic:foundation Components:master Cylinder 2009-06-15 · TSB-42-10-109 · Service Bulletin/Repair Instructions
mercedes: corrosion protection coatings for brake components and hardware may be damaged and or stripped away if highly concentrated acid based cleaners are used. once the corrosion protection is damaged or removed the brake components and or hardware can begin to corrode. include all models an
Traction Control System 2009-06-05 · SB-090930 · Service Bulletin/Repair Instructions
mercedes: the limited warranty on the sbc hydraulic unit for models 211, model 219 and models 230 was extended from the original 4 years/50,000 miles to 10 years with no mileage limitation. the sbc hydraulic unit extended limited warranty applies to all conditions that justify the replacement of t
Power Train 2007-01-01 · 2006020008 · Service Bulletin/Repair Instructions
inspect transmission pilot bushing at electrochydraulic unit and replace if necessary. the transmission pilot bushing may have been installed on the control units with non-tempered sealing rings which may cause a small leak to occur. *tt updated 04-11-07. *kb
Tires:temporary/Emergency Spare Tire 2006-07-01 · 2006060004 · Service Bulletin/Repair Instructions
the tirefit hose connector may not screw onto the tire valve with an air tight seal. in case of a flat tire, the customer may not be able to inflate the spare tire using tirefit. *tt
Showing the 6 most recent of 16 bulletins. Search all of them free at nhtsa.gov.
What owners report
2012-01-06 · Suspension“something called an abc pump and block has failed and car drops down on frame. spent $3200 on the pump to drive 2 months before they want $3800 to repair the valve block. both times the vehicle drops and is dangerous to drive. this is in addition to a baffle coming loose in the gas tank that has metal bashing metal inside the gas cell. *t…”
2005-04-11 · Exterior Lighting:headlights:high/Low Beam Dimmer Switch · 1,000 mi“when turning on the air conditioner or any other vehicle accessory the headlights dim or they flash on and off as if going from high beam to low beam, etc. technical service bulletin 040842001a. *ak…”
2004-12-09 · Service Brakes, Hydraulic“recall campaign: recall 2004 050014 notice received for defective sensotronic brake. *bf the service dealer computers disengaged the consumers braking system, therefore the vehicle was inoperable. 2004 mercedes benz sl500 roadster. *sc *jb…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.