starting problem

Asked by Jun 02, 2010 at 11:47 AM about the 1991 Mercedes-Benz 300-Class 2 Dr 300CE Coupe

Question type: Maintenance & Repair

I have a 1991 300ce24 valve and when you start it ,it splutters and misses for a short time and will conk out sometimes but once it evens out it will run smooth all day long and takes the reves and plenty of power. is it a fuel or electronic problem?

5 Answers


I had this issue on mine, apparantly quite a common problem too. Try the relay next to the battery (overpower relay) Its easy to find and has a fuse in the top of it. If you like try knocking the fuse against battery whilst a friend trys to start the car. In theory the relay should un stick and the car should stop misfiring. Costs about £50 and a dealer only supply (in uk)


I saw your question and I believe the problem is in your distributor connection to one of your wires. Perhaps one of your wires are improperly connected to your distributor. Start the engine and open the hood and listen for a ticking noise around the distributor. if you can't hear it perhaps you can see an arch (but it must be in the dark before you can see the arch) because of a bad wire. That is most likely why your engine is skipping or misfiring.

1 out of 1 people think this is helpful.

my guess would be the fuel system,pressure problems/,pump/,if it consistently runs bad at startup/cold temps. if its cis then lots of factors come in to play.


You can also check cold-start injector or thermo-timeswitch in fuel system.

1 out of 1 people think this is helpful.

there is a plastic pannel behind the battery.remove this and you will see 2 10amp is a cold start curcuit.check both.i had this problem with my 1991 300e of these fuses was blown.replaced it and problem solved.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • starting problem 7 answers

    when i start my car in the morrning everything is fine and is to fast to start from the first start,but when the engine get hot during the day i start it and shutdown about 2 or 3 time to get start wi...

    1992 Mercedes-Benz 300-Class 2 Dr 300CE Coupe


    Maintenance & Repair

  • Starting Problem 12 answers

    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...

    1991 Mercedes-Benz 300-Class 4 Dr 300E Sedan


    Maintenance & Repair

  • '91 Benz 300SEL. Started having hard, cold start problem. Replaced distributer cap, rotor & plugs. (needed) Replaced Voltage Regulator. Did not help. Need some advice. 1 answer

    hard start when cold. ABS light comes on when starting. When it warms up, runs ok but not peak performance. Already replaced Dist. cap, rotor, plugs. Also replaced voltage regulator. Did not help. W...

    1991 Mercedes-Benz 300-Class 4 Dr 300SEL Sedan


    Maintenance & Repair

  • red light at dash/hard starting 2 answers

    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...

    Mercedes-Benz 300-Class


    Maintenance & Repair

  • Why car won't start when you put gas in it 1 answer

    When I put gas in my Mercedes it will not start. Why?

    Mercedes-Benz 300-Class




Looking for a Used 300-Class in your area?

CarGurus has 178 nationwide 300-Class listings and the tools to find you a great deal.


Search Mercedes-Benz 300-Class Questions

Mercedes-Benz 300-Class Experts

#1 James Ramond
James Ramond
Reputation 240
#2 Tom Demyan
Tom Demyan
Reputation 210
Reputation 180
View All

Related Models For Sale

Used BMW 3 Series
952 Great Deals out of 33,267 listings starting at $1,000
Used Mercedes-Benz SL-Class
54 Great Deals out of 2,985 listings starting at $2,900
Used Mercedes-Benz G-Class
12 Great Deals out of 1,119 listings starting at $24,000
Used BMW 5 Series
504 Great Deals out of 14,993 listings starting at $2,499