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1990 Mercedes-Benz 300SL Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1990 Mercedes-Benz 300SL

No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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The national average repair and maintenance cost for a 1990 Mercedes-Benz 300SL is between $750 and $916 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Repair Cost Index Score
57
1990 Mercedes-Benz 300SL
scores in the middle range of all car models for average repair and maintenance costs
0
100
57
$
$$$
40
- average of all models
What does this score mean?
$833
Annual Repair Cost
on average
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
On high usage vehicles, the ignition lock may become difficult to turn due to wear of the ignition lock and tumblers. Replacement of the ignition lock cylinder will generally be required to correct...
A rough running motor or lack of power can be caused by a failed distributor cap or rotor, ignition wires (or their resistors), or valve cover gasket leaks. If the valve cover gasket leaks, oil can...
Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.
It's been sitting for a few years however I covered all the basics to get it running, fluids, bat...
The meters are going up and down sometimes. Eventually it may brake down completely some workshop...
The hard top is on when I make the turn.
Overall (3 Reviews)
Body, Interior & Misc.
Brakes
Drive Train
Electrical & Lights
Engine
Exhaust & Emissions
Heating & Air Conditioning
Suspension & Steering
July 23, 2011
1990 Mercedes-Benz 300SL
Nice car but does have a number of issues after 20+ years. There is a wealth of information and help on the MB forums. The bad "green" wires came in 1994 for a few years. And, EZL's do NOT explo...
August 22, 2010
1990 Mercedes-Benz 300SL
the best car I ever had
May 17, 2010
1990 Mercedes-Benz 300SL
1) the electrical wire issue. Basically this makes the car a rolling wreck with it only a matter of time before they short out and your entire computer system and or EZL explodes...anyone out there...