2003 Mercedes-Benz SL Class recalls and problems

3 recalls and 9 owner complaints on file with NHTSA for the 2003 Mercedes-Benz SL Class.

3
recalls
9
owner complaints
1
complaints mentioning a crash
1
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2003 Mercedes-Benz SL Class recalls

Electrical system

NHTSA campaign 08V303000 · reported July 7, 2008 · MERCEDES-BENZ USA, LLC. · 404 vehicles potentially affected

The problem
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 software calibration number (scn) coding received on the affected vehicles during a recent workshop visit was incorrect. Depending on the model year and model affected, the results of an incorrect scn coding can affect a number of vehicle safety and emission functions including the following types of functions: (1) the fuel gauge readings may be incorrect; (2) a stuck fuel-level sensor may not be displayed in the instrument cluster; (3) the obd system may cause the check engine light to illuminate incorrectly; and, (4) the speedometer may be out of tolerance.
The risk
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.
The fix
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

NHTSA campaign 05V133000 · reported April 1, 2005 · MERCEDES-BENZ USA, LLC. · 204,000 vehicles potentially affected

The problem
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.
The risk
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.
The fix
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 1-800-367-6372.

Service brakes, hydraulic

NHTSA campaign 04V296000 · reported June 22, 2004 · MERCEDES-BENZ USA, LLC. · 143,387 vehicles potentially affected

The problem
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 mode.
The risk
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.
The fix
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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Nov 20, 2013 · Service brakes · 71,525 miles

MY WIFE WAS DRIVING ABOUT 1/2 MILE FROM OUR HOUSE WHEN THE BRAKES COMPLETELY FAILED. SHE WAS ON A BACK ROAD AND HAD TO BRAKE FOR A STOP SIGN. SHE WAS ABLE TO PULL OFF ON THE SIDE OF THE ROAD, TO AVOID REAR ENDING A CAR STOPPED AT THE STOP SIGN, AND FINALLY BRING THE CAR TO A STOP. THE BRAKES STARTED TO WORK WITH ABOUT…

Apr 24, 2008 · Fuel system, gasoline · 43,300 miles

NO INCIDENT. WAS DRIVING AND AS I PULLED INTO MY DRIVEWAY, HEARD BUMPING SOUND FROM CAR. ASKED MERCEDES WHAT IT WAS, THEY SAID LOOSE BAFFLE IN GAS TANK. SOUNDS LIKE MANUFACTURING DEFECT. CHECKED ONLINE AND FOUND MANY OTHERS WITH SAME PROBLEM. IT IS A COSTLY REPAIR JUST OUTSIDE OF WARRANTY PERIOD.

Nov 15, 2005 · Suspension · 23,000 miles

I PURCHASED A 2003 MERCEDES BENZ SL500 IN DECEMBER OF 2003. AS OF TODAY 8 NOVEMBER 2005, THE SUSPENSION APPARENTLY CAN NOT BE REPAIRED. THE CAR HAS BEING TAKEN BACK TO THE DEALER FOR THE EIGHT (8TH) TIME TO REPAIR THE SUSPENSION. IT IS CURRENTLY ALEXANDRIA VIRGINIA, MERCEDES BENZ AS OF NOVEMBER 9TH, 2005. WHILE…

Apr 30, 2005 · Electrical system

I TURNED KEY AND CAR DID NOT START. I ENDED UP GETTING STUCK EITHER AT HOME OR IN A SHOPPING CENTER. CAR HAD TO BE PUT ON A FLAT BED. DEALER RELPACED PARTS EACH TIME , BUT COULD NOT FIND THE CAUSE OF THE PROBLEM.

Mar 25, 2005 · Engine and engine cooling · crash reported

2003 MERCEDES BENZ SLK 320 EXPERIENCING PROBLEMS WITH HESITATION WHEN THE ACCELERATOR IS DEPRESSED. ON ONE OCCASIONS WHEN THE CONSUMER ATTEMPTED TO APPLY THE GAS THE VEHICLE DID NOT MOVE FOR A FEW SECONDS AND THEN ALL OF A SUDDEN THE VEHICLE LURCHED FORWARD AND THE CONSUMER HIT ANOTHER VEHICLE. THE THERE WAS ALSO A…

SL Class model years compared

YearRecallsComplaintsCrashesFires
2002 0100
2003 3911
2004 3300
2005 1210
2006 1000

All Mercedes-Benz SL Class years →

Questions

Does the 2003 Mercedes-Benz SL Class have any recalls?
Yes. NHTSA lists 3 recalls for the 2003 Mercedes-Benz SL Class, the most recent reported on July 7, 2008 (Electrical system). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2003 Mercedes-Benz SL Class?
Owners have filed 9 complaints with NHTSA. The most frequently reported area is electrical system (2 complaints), followed by engine and engine cooling (2).
How many 2003 Mercedes-Benz SL Class complaints mention a crash or fire?
1 of 9 complaints report a crash and 1 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received November 20, 2013.