How many recalls does the 2004 Mercedes-Benz Sl Class have?

The 2004 Mercedes-Benz Sl Class has 3 NHTSA safety recall campaigns on record.

How do I check if my 2004 Mercedes-Benz Sl Class has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

What do owners complain about most on the 2004 Mercedes-Benz Sl Class?

Of 6 NHTSA complaints on file, the most-reported component is service brakes, hydraulic.

2004 Mercedes-Benz Sl Class Recalls

Recalls on record Updated July 2026

The 2004 Mercedes-Benz Sl Class has 3 NHTSA recall campaigns affecting an estimated 347,791 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 6 complaints with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.

Recall campaigns

ELECTRICAL SYSTEM 08V303000 2008-07-07 404 affected

Defect

MERCEDES-BENZ IS RECALLING MY 2006-2008 M-CLASS, R-CLASS, MY 2005-2009 SLK-CLASS, MY 2005-2008 C-CLASS, MY 2003-2004 AND 2006-2008 CLK-CLASS, MY 2003-2008 E-CLASS, MY 2004 AND 2008 CL-CLASS, MY 2008 CLS-CLASS, MY 2004 AND 2007-2008 S-CLASS, MY 2003 G-CLASS, AND MY 2003-2004, 2006 AND 2009 SL-CLASS VEHICLES. A…

Consequence

IN THE EVENT OF A VEHICLE CRASH, THE ELECTRICAL FUEL PUMP MAY NOT RECEIVE A CRASH SIGNAL THAT IS REQUIRED FOR THE FUEL PUMP TO DISCONNECT AND PREVENT FUTURE FUEL DELIVERY AS DESIGNED.

Remedy

DEALERS WILL RECODE THE SCN FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 30, 2008. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.

SERVICE BRAKES, HYDRAULIC 05V133000 2005-04-01 204,000 affected

Defect

ON CERTAIN VEHICLES, THE SENSOTRONIC BRAKE CONTROL (SBC) SYSTEM MAY PREMATURELY SHIFT TO THE HYDRAULIC BACK-UP FUNCTION MODE, DUE TO DETERIORATION OF THE WIRING HARNESS CONNECTION, OR DUE TO PREMATURE FAILURE OF THE HYDRAULIC PUMP.

Consequence

IN THE HYDRAULIC BACK-UP MODE, THE DRIVER HAS BRAKING POWER SUFFICIENT TO STOP THE VEHICLE, ALTHOUGH GREATER BRAKE PEDAL PRESSURE IS REQUIRED AND THE BRAKE PEDAL TRAVEL WILL BE NOTICEABLY LONGER.

Remedy

DEALERS WILL INSTALL A BRACKET AND REPLACEMENT GROUND WIRE TO THE SBC PUMP UNIT ON ALL VEHICLES FREE OF CHARGE. ADDITIONALLY DEALERS WILL INSPECT AND REPLACE THE SBC PUMP UNIT IN SL VEHICLES PRODUCED DURING A LIMITED PRODUCTION PERIOD. THE RECALL BEGAN ON AUGUST 8, 2005. OWNERS MAY CONTACT MERCEDES-BENZ AT…

SERVICE BRAKES, HYDRAULIC 04V296000 2004-06-22 143,387 affected

Defect

ON CERTAIN VEHICLES, THE ELECTRONIC MONITORING SYSTEM OF THE SENSOTRONIC BRAKE CONTROL (SBC) IS DESIGNED TO MONITOR THE PRESSURE GRADIENT WITHIN THE HIGH PRESSURE LINE OF THE BRAKE SYSTEM. IF AN UNACCEPTABLE PRESSURE GRADIENT IS DETECTED, THE SYSTEM WILL SWITCH, AS IT IS DESIGNED TO DO, INTO THE HYDRAULIC FUNCTION…

Consequence

IF VEHICLES ARE NOT ROUTINELY SERVICED AND HAVE EXTREMELY HIGH MILEAGE COMBINED WITH A HIGH NUMBER OF BRAKE ACTUATIONS, OR A HIGH BRAKE ACTUATION FREQUENCY, THE PUMP MOTOR OF THE SBC MAY RUN OUT OF PERMISSIBLE TOLERANCES, THEREBY TRIGGERING THE HYDRAULIC FUNCTION MODE.

Remedy

DEALERS WILL INSPECT THE SBC HYDRAULIC UNIT, REPLACING IT IF NECESSARY. THE RECALL BEGAN ON OCTOBER 21M 2004. OWNERS SHOULD CONTACT MERCEDES-BENZ AT 1-800-367-6372.

Complaints by component

SERVICE BRAKES, HYDRAULIC

EQUIPMENT:APPLIANCE:AIR CONDITIONER

EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

SUSPENSION

Total complaints6

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“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…”

SUSPENSION · reported 2012-01-04

“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…”

STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS · reported 2012-01-04

“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…”

SERVICE BRAKES, HYDRAULIC · reported 2012-01-04

“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”

SERVICE BRAKES, HYDRAULIC · reported 2004-12-01

“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”

EQUIPMENT:APPLIANCE:AIR CONDITIONER · reported 2003-03-11

“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”

EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH · reported 2003-03-11