https://plaincars.com/make/mercedes-benz-124 New NHTSA complaints and recalls filed for the Mercedes-Benz 124. en-us Sun, 18 Oct 2026 05:31:39 GMT https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-1022927 Wed, 20 Nov 2013 00:00:00 GMT THE ENGINE WIRE HARNESS HAD MELTED IN TWO LOCATIONS. WHEN I BOUGHT THE CAR THE PREVIOUS OWNER TOLD ME THAT HE HAD REPLACED THE ENGINE WIRE HARNESS. *TR https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-1022928 Wed, 20 Nov 2013 00:00:00 GMT THE ENGINE WIRE HARNESS HAD MELTED IN TWO LOCATIONS. WHEN I BOUGHT THE CAR THE PREVIOUS OWNER TOLD ME THAT HE HAD REPLACED THE ENGINE WIRE HARNESS. *TR https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-934966 Mon, 20 Aug 2012 00:00:00 GMT THE ENGINE STOPPED. THE ENGINE RETARTED BUT WITH A DISTINCT ROUGH IDLE. INCREASING THE GAS PEDAL PRESSURE WAS RESPONDED BY THE ENGINE WITH INCREASED BUT FLUCTUATING RPMS. I COULD DRIVE THE VEHICLE HOME. AFTER RESTARTING THE VEHICLE A DAY OR MORE LATER IT RAN NORMAL. HOWEVER, SUBSEQUENTLY I MADE AN APPOINTMENT WITH THE MERCEDES DEALER IN TAMPA AND THEY BROUGHT IN A RETIRED MECHANIC WHO CONNECTED A https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-923790 Tue, 19 Jun 2012 00:00:00 GMT THE CAR STARTED TO LOSE POWER AT A SLOW SPEED AT ANY STOP. THE ENGINE ALMOST DIES IF YOU DON'T GIVE GAS. THE CHECK ENGINE LIGHT CAME ON. *JS https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-916310 Fri, 27 Apr 2012 00:00:00 GMT ENGINE WIRING HARNESS INSULATION HAS DISINTEGRATED, CRACKED AND FLAKED OFF OF THE WIRES EXPOSING SIGNIFICANT AMOUNTS OF BARE COPPER INCLUDING CONNECTIONS TO THE GLOW PLUG RELAY AND EVERY CONNECTOR DIRECTLY ATTACHING TO AN ENGINE COMPONENT. REMOVAL OF THE WIRING HARNESS SHOWS CRACKING AND DISINTEGRATION IF THE HARNESS INSULATION THROUGHOUT THE ENTIRE LENGTH OF THE HARNESS. WAS CAUSING INSTRUMENTAT https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-916311 Fri, 27 Apr 2012 00:00:00 GMT ENGINE WIRING HARNESS INSULATION HAS DISINTEGRATED, CRACKED AND FLAKED OFF OF THE WIRES EXPOSING SIGNIFICANT AMOUNTS OF BARE COPPER INCLUDING CONNECTIONS TO THE GLOW PLUG RELAY AND EVERY CONNECTOR DIRECTLY ATTACHING TO AN ENGINE COMPONENT. REMOVAL OF THE WIRING HARNESS SHOWS CRACKING AND DISINTEGRATION IF THE HARNESS INSULATION THROUGHOUT THE ENTIRE LENGTH OF THE HARNESS. WAS CAUSING INSTRUMENTAT https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-916241 Thu, 26 Apr 2012 00:00:00 GMT RIGHT FRONT SPRING PERCH AND SURROUNDING RAIL IS CRUMBLING. ONE LEG OF THE PERCH AT THE WELD HAS COMPLETELY BROKEN LOSE. THERE IS NO OTHER SIGNIFICANT RUST ON THE VEHICLE. IF THIS FAILS, THE SPRING MAY BREAK THROUGH THE RAIL INTO THE ENGINE COMPARTMENT, OR THE SPRING MAY FALL OUT. AT SPEED, THIS COULD BE A VERY BAD SITUATION. *TR https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-904021 Tue, 07 Feb 2012 00:00:00 GMT THE CHECK ENGINE LIGHT CAME ON. THE DEALER, AFTER DIAGNOSING THE PROBLEM, SAID THAT A CODE INDICATING THAT THE TEMPERATURE SENSOR WAS FAULTY HOWEVER THEY DETERMINED THAT THE WIRING HARNESS WAS DETERIORATED AND NEEDED TO BE REPLACED BECAUSE "THIS YEAR CAR WAS DESIGNED WITH A HARNESS THAT WAS BIODEGRADABLE." THE INSULATION HAS BEGUN TO CRUMBLE REQUIRING A NEW HARNESS. THE PART IS ABOUT $1100 PLUS LA https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-804894 Sat, 07 Aug 2010 00:00:00 GMT DRIVER'S POWER SEAT MOVES UNEXPECTEDLY, WITHOUT DRIVER TOUCHING THE SEAT CONTROL BUTTONS. SEAT HAS FEATURE TO PLACE SEAT IN A "MEMORIZED" POSITION UPON DEMAND. SOMETIMES THE SEAT MOVES FORWARD, SOMETIMES BACK, SOMETIMES IN A ROCKING MOTION. APPROXIMATELY 20-30 SUCH INCIDENTS HAVE OCCURRED. TWICE, THE SEAT MOVED ALL THE WAY FORWARD ON ITS TRACK, CROWDING ME UP TO THE DASH AND MAKING IT DIFFICULT https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-564298 Wed, 30 Nov 2005 00:00:00 GMT UPPER ENGINE WIRING HARNESS (MB PART# A 124 440 19 06) INSULATION CRACKED IN MANY PLACES. IT DECOMPOSED/DETERIORATED SO BADLY IT EFFECTED ADDITIONAL ENGINE COMPONENTS. ENGINE STALLED MANY TIME WHILE IN TRAFFIC. HARNESS WAS REPLACES ON 04-21-2005 AND CAR REQUIRED ADDITIONAL MAINTENANCE FROM MERCEDES DEALER SHIP DUE TO ECU PROBLEMS AND STILL ONGOING PROBLEMS WITH ASR (ANTI SKID CONTROL) PROBLEMS. * https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-340152 Fri, 22 Mar 2002 00:00:00 GMT THIS CAR HAS ONLY 33000 MILES AND THIS KIND OF PROBLEM SHOULD'T BE HAPPENING .I TALKED TO THE DEALER THEY WERE NOT HELPFUL ABOUT IT.ONLY THING THEY SAY IT IS NOT UNDER WARANTY.I DONT UNDERSTAND THAT I THIS CAR EVER BEEN RECALLED FOR THIS KIND PROBLEM? https://plaincars.com/make/mercedes-benz-124 https://plaincars.com/make/mercedes-benz-124#complaint-314114 Fri, 14 Sep 2001 00:00:00 GMT SEND A COMPALIN TO THE COMPANY IN WRITING. COMPANY IS VIRTUALLY IGNORING US. NO SAFETY DEFECT LISTED. *AK