When did the Mercedes Benz wiring harness problem start?
The wiring harness problem affects Mercedes-Benz cars from 1992 until early 1996. For most models, the problem started in 1993, however, it was earlier in the case of M119 & M120 engines. The following Mercedes-Benz R129 models are affected: SL 280 (193 PS M104 engine) – introduced in 1993. SL 320 (231 PS M104 engine) – introduced in 1993
When did Mercedes Benz stop making SL Class cars?
The SL-Class roadsters are not galvanized. Mercedes-Benz started galvanizing their cars only in 2003/2004, while the production of the R129 model stopped in 2001. Still, the R129 SL-Class cars seem to hold up quite well when compared to other Mercedes-Benz cars from that era, for example, the W202 C-Class or the W210 E-Class.
Is the Mercedes Benz SL Class corrosion resistant?
With no galvanizing process, and coupled with steel that wasn’t very corrosion resistant, the 1990s Mercedes-Benz cars are very susceptible to corrosion. When buying a Mercedes-Benz from that era, inspecting it for rust should be one of your top priorities.
How to keep your Mercedes SL Class running smooth?
Keep your fuel injectors clean and your engine running smooth by regularly replacing your fuel filter. Follow these instructions for a cleaner running engine. Use this tech article to replace your fuel reservoir. If you are experiencing erratic acceleration, it may be time to replace the fuel suction dampner.
Is there a hard top hoist for a Mercedes Benz SL?
Perfect for lifting the hardtop off of your Mercedes Benz SL. This hoist is specifically designed for the 1963-1989 Mercedes Benz SL roadster and utilizes the drip rail on each side of the hardtop to hold and perfectly balance the top.
What are the common problems with a Mercedes SL500?
• Oil leaks from the oil level sensor are common. • The crankshaft position sensors tend to fail. Exhaust & Emissions No common problems reported. Electrical & Lights • Brake light switch failure can cause the ESP and BAS warnings to illuminate.
What kind of brakes does a Mercedes SL500 have?
Brakes • This vehicle has sensotronic brake control (SBC). If the SBC light on the dash illuminates, have the brakes checked. If the SBC is not working, limited brake pressure is delivered to the front brakes, increasing the distance it takes to stop.
What kind of cover does a Mercedes Benz SLK use?
This “Top Down” Interior Cover is designed specifically for your SLK. Made from WeatherShield fabric not inexpensive poly cotton, a little more expensive but worth the performace gains as this cover keeps your interior cool and offers protection against water, UV light, dust, and bird droppings.
What kind of harness do Mercedes cars have?
We all know that all 1992 to 1995 S-class and SL-class, 1993-1996 E-class, 1994-1996 C-class Mercedes cars have major problem: biodegradable wiring harness insulation. Plastic insulation flakes off on main engine harness, throttle body harness, starter/alternator harness, Mass Air Flow meter harness ( V12 engines) .
What are the symptoms of a failing Mercedes R129 harness?
The typical symptoms of a failing harness are electrical errors, problems with starting the engine, poor running and rough idle. Before buying a 1992-1996 Mercedes-Benz R129, check if the harness has already been replaced.
How much does it cost to repair a Mercedes wire harness?
Repairing these defects have been a bonanza to Mercedes Dealers, the typical cost of a harness exceeds $2,500, in many cases much more due to collateral damage (see below)… Most of the “repairs” were made with the same defective wires, so a few years later the failures reappear.
What kind of harness does Mercedes E320 have?
I also patched one harness on my 1996 E320 by taping wires that run to fuel injectors, coils, engine temperature sensors, camshaft advancer, etc. but it was temporary repair.
How many wires are in a Mercedes engine harness?
Other Mercedes or Non-Mercedes harness- please contact me for a quote. Engine harness rewire is very labor intensive process. Some harnesses have around 400’ of wires to replace.
How much is an alternator harness for a Mercedes?
Mercedes V8 and V12 lower engine harness aka alternator harness aka positive cable harness-$375 96-up usually do not fail except for few models- please contact me with vehicle model for a quote Other Mercedes or Non-Mercedes harness- please contact me for a quote. Engine harness rewire is very labor intensive process.
Where can I buy a new Mercedes harness?
Customers with AMG or Brabus tuned motors, where new replacement harness costs way more than rewire or NLA, prefer rewiring and keeping original harness. If you want to buy new harness I would order it from dealer according to your car VIN number and double check part number on your original harness.
Is the Mercedes 300SL a commoner or a king?
Of course, if there’s a king, there must be a commoner, that’s just how things work. In the case of today’s 1991 Mercedes Benz 300SL, being a commoner doesn’t make it all that common. This is however, the sort of entry-level car that Koenig would have passed right on over.
What kind of horsepower does a Mercedes 300SL have?
In the case of today’s 1991 Mercedes Benz 300SL, being a commoner doesn’t make it all that common. This is however, the sort of entry-level car that Koenig would have passed right on over. The 300SL’s 228-horsepower/201 lb ft of torque DOHC six would prove to be far less popular here in the States than would the 302-horse V8.
What kind of car is the 1991 Mercedes 300SL?
In the case of today’s 1991 Mercedes Benz 300SL, being a commoner doesn’t make it all that common. This is however, the sort of entry-level car that Koenig would have passed right on over.
What kind of engine does a Mercedes 300SL have?
The 300SL was powered by the M104 3.0-liter inline-six, a DOHC, 24-valve design good for 217 horsepower. It could be had with a five-speed automatic transmission or a five-speed manual with a dogleg shift pattern (it is believed only 166 stick-shift examples were sold in the U.S.).
What causes a Mercedes SL Class R129 to over heat?
A stuck close thermostat will create over heating and if it is stuck open the engine will run too cool. If your overheating and one coolant pipe is hot and the other is cold you may have a bad coolant pump. A clogged radiator can cause overheating and a broken hose can leave you stranded.
What was the Mercedes Benz R129 SL made out of?
The R129 SL is among the early-‘90s Mercedes models afflicted with degradation of wiring harnesses made from biodegradable materials. There are multiple harnesses, but the most accessible one is under the plastic engine cover; its condition is generally a good indicator of that of the others.
When did the Mercedes Benz SL come out?
When the new SL made its debut at the Geneva auto show in early 1990, buyers were more than ready to greet it. Orders poured in, and the first-year production of 20,000 units quickly sold out.