Mercedes-Benz 420-Class Questions Maintenance & Repair
Restarting Car
1988 Mercedes 420 SEL sitting for 6 years. Driven 81,000 miles
Price On Parts
Tune up parts n price
Car Starts And Runs As Soon As I Hit The Throttle It Dies??
Hi all, my father has a 1986 420sel he has just fitted another engine to it. It is a 500 engine but the problem is as soon as you hit the throttle it dies. It will idle ok can any body help us plea...
Start And Stall
My 89 Benz 420 Sel starts and stalls right away. I replace fuel pumps and fuel pump relay. The problem still the same. Any suggestions please.
Thump Noise, Feels Like Car Wants To Die
My 1991 bentz 420 sel started doing a thumping noise when I am stop at a red light. The oil pressure drops and goes back up. But when I put it in netural the car is fine. Following day car was fine th...
My MB 1991 420 SEL Has 220,000 Miles Cranks On Ignition Does Not Start. Wha...
My MB mechanic said that our 1991 MB 420 SEL needs new ignition control unit. The cost is $920 for part and $172 labor. It also has an air pump that is seized. The mechanic said it will cost additio...
No Power To The Fuel Pumps.
Bought a 1991 420sel. The fuel pumps don't pump. Checked with a multi-meter and no power to them. Any suggestions would be appreciated.
Where Is Roof Fuse
roof opened 1 inch and died
Have Mercedes E 420 It Runs Fine When Its Cold And When It Gets Hot It Dos...
changed the plus and both dis caps and rotors its a 1995
I Have A 1995 E420 I've Had My Multifunction Switch Replaced & All My Light...
1995 E420 but they don't have it in the category
Was Only Starting In Nuetral, Now It Wont Start At All.
Thinking it was a linkage problem after my car wouldnt start in park, I then began starting it in Nuetral. After sometime, knowing I needed to have this checked, the car refused to start n Nuetral. A...
I Need To Know What Might Be Wrong With My Husband's 1989 420SEL Mercedes B...
My husband's 1989 420SEL, keeps shutting of even when you are Driving, what could it be.
1991 420 SEL Won't Start
I turn the key nothing happens but I do here a click on the left side. I took the starter out and had it checked and it check fine. I then turned the key on, touched the starter bolts with a screwdriv...
Exhaust Fumes In Cabin
am getting exhaust fumes in the cabin of my 1991 420. I had a new muffler installed. there are no holes in the pipes or any of the undercarriage. All door and trunk seals practically new. Extend...
A Few Days Ago My Engine Electronics Light Went Off Now My Car Won't Start...
Make sure the battery was charged, check for loose wiring under the hood.
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.