Mercedes-Benz 300-Class Questions Any type

145

High Idle @ 1500rpm When Car Warm/hot, Won't Kick Down Below 1000rpm Until ...

Been experiencing a high idle issue when my 91 300E is warm/hot. Revs up to 1500rpm and will rev down to 1000rpm when hit the gas pedal but will climb back right back up to 1500 and stay until put in ...

145

Starting Problem

Starting Problem, 1991 300E Mercedes, Westborough, MA 1st flare-up – car initially starts and operates with no problem. 2 miles down the road, suddenly runs very rough sputters & bucks and stalls ou...

Grey Side Trim Panel 300E Mercedes Benz 1990

Can anyone please let me know where I could possibly find the side trim panel (grey) for a white mercedes 300E 1990. Had a rear tire blow-out on the motor way today, and it broke the grey panel betwe...

5

Starter Location On A 1991 Mercedes 300 SE

location of the starter on the engine

When Car Is Cool It Runs Fine. When Car Heats Up It Hesitates And Loses Pow...

When car is cool it runs fine. when car heats up it hesitates and loses power. It idles fine but when you take off it has very little pick up and hesitates. ANy ideas?

Red Light At Dash/hard Starting

This vehicle is a 1988 300e. Changed out oxygen sensor, red light remains on. Engine cranks fine, engine fires within 6sec or so, but will not operate properly if gas pedal is worked. Takes about a mi...

Won't Start

I have spark, fuel, cranks good but won't fire. I checked injector spray pattern good. Good spark. Like a choked carb, could I be getting too much fuel? When I first checked plugs they were wet. Prio...

55

Former Specialty Mechanic Shares Secrets

hey guys i just wanted to share some of the common problems that I have with my 1993 300e 2.8 (m104 engine) that happens to every car. 1. if you have a low idle speed and you car dies at traffic light...

Can You Put Regular Unleaded Fuel In Them?

I was just wondering if it's ok to put regular unleaded fuel in them? It's says premium fuel only on the gauges.

Oil Leak

I recently got a 300ce which runs like a dream but there is a slight oil leak above the altenator from the head i presume and was wondering would torqueing the head or is there any quick fix as i don...

190

No Start

1986 300e gas car turns over but wont start i changed plugs wires cap rotor coil (used coil) fuel dist block checked all fuses any ideas?

How Do I Disconnect The Alarm On My 1990 300E Mercedes Sedan?

Alarm goes off on its own.

5

Repairing Oil Leak To Coolant Resulting In Car Running Hot.

oil mixed with coolant and runs hot. have flushed it but it continues to run hot. i suspect a blockage. what are solutions

I Have A 91 300te 4 Matic That After Sitting Any Period Of Time On A Slight...

I have a 300 TE 4matic that doesn't drive often and doesn't want to start after sitting any period of time.It is parked on a slight slope, turns over but doesn't fire. Please help?

Windscreen Wipers Intermitant Stop

my wipers have stopped tonight - then 10 mins later started again - will it be a loose connection?

40

I Have A 1991 MB 300E. Just Replaced Head Gasket After Having The Head Mach...

I would appreciate your input.

91 Mercedes Benz 350sd, I Cant Get My Keys Out The Ignition. Is This An El...

I noticed a blown fuse but after I replaced it twice it blew. Is this because keys remain inside the switch?

Mercedes-Benz 300-Class Experts

  • #1
    James Ramond
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    310
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    Paul
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    300
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    Storm_2308
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